Expr.h revision d0dcceae2a8ca0e37b5dd471a704de8583d49c95
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Expr.h - Classes for representing expressions ----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Expr interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_EXPR_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_EXPR_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson#include "clang/AST/APValue.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Stmt.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Type.h" 20161755a09898c95d21bfff33707da9ca41cd53c5John McCall#include "clang/AST/DeclAccessPair.h" 215baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall#include "clang/AST/OperationKinds.h" 22709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek#include "clang/AST/ASTVector.h" 2371a7605977113c795edd44fcbd2302ad49506653Argyrios Kyrtzidis#include "clang/AST/TemplateBase.h" 24409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson#include "clang/AST/UsuallyTinyPtrVector.h" 25f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne#include "clang/Basic/TypeTraits.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 27525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 283b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 29b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar#include "llvm/ADT/StringRef.h" 30403ba3522d1b1c97ae5fad81c1a2c4b3a754e1c1Nick Lewycky#include <cctype> 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 34c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 35c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 36c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 37c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 388e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 39c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 4056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 41409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson class CXXBaseSpecifier; 4288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXOperatorCallExpr; 4388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXMemberCallExpr; 44f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall class ObjCPropertyRefExpr; 4556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall class OpaqueValueExpr; 4688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 477ab9d574d27ecee1f130e5755aa403e5ab529b6bAnders Carlsson/// \brief A simple array of base specifiers. 48686775deca8b8685eb90801495880e3abdd844c2Chris Lattnertypedef SmallVector<CXXBaseSpecifier*, 4> CXXCastPath; 497ab9d574d27ecee1f130e5755aa403e5ab529b6bAnders Carlsson 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 56898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCallprotected: 58f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(StmtClass SC, QualType T, ExprValueKind VK, ExprObjectKind OK, 59561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool TD, bool VD, bool ID, bool ContainsUnexpandedParameterPack) 60561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Stmt(SC) 61561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor { 628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBits.TypeDependent = TD; 638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBits.ValueDependent = VD; 64561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = ID; 65f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprBits.ValueKind = VK; 66f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprBits.ObjectKind = OK; 67bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 68898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor setType(T); 69898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 70898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 710b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty expression. 720b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor explicit Expr(StmtClass SC, EmptyShell) : Stmt(SC) { } 730b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 75f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setType(QualType t) { 779d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 789d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 799d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 809d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 839d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 84905d11d53aeb6b26744f44fedc2b2820c7a62df6Douglas Gregor assert((t.isNull() || !t->isReferenceType()) && 858320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 86f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TR = t; 889d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 8977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 90898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isValueDependent - Determines whether this expression is 91898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// value-dependent (C++ [temp.dep.constexpr]). For example, the 92898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// array bound of "Chars" in the following example is 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// value-dependent. 94898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 95898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// template<int Size, char (&Chars)[Size]> struct meta_string; 96898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 978e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool isValueDependent() const { return ExprBits.ValueDependent; } 98898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 990b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is value-dependent or not. 100561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setValueDependent(bool VD) { 101561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.ValueDependent = VD; 102561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (VD) 103561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 104561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1050b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isTypeDependent - Determines whether this expression is 107898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type-dependent (C++ [temp.dep.expr]), which means that its type 108898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// could change from one template instantiation to the next. For 109898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// example, the expressions "x" and "x + y" are type-dependent in 110898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the following code, but "y" is not type-dependent: 111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// template<typename T> 113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// void add(T x, int y) { 114898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// x + y; 115898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// } 116898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 1178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool isTypeDependent() const { return ExprBits.TypeDependent; } 118898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1190b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is type-dependent or not. 120561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setTypeDependent(bool TD) { 121561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.TypeDependent = TD; 122561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (TD) 123561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 124561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 125561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 126561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Whether this expression is instantiation-dependent, meaning that 127561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// it depends in some way on a template parameter, even if neither its type 128561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// nor (constant) value can change due to the template instantiation. 129561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// 130561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// In the following example, the expression \c sizeof(sizeof(T() + T())) is 131561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// instantiation-dependent (since it involves a template parameter \c T), but 132561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// is neither type- nor value-dependent, since the type of the inner 133561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \c sizeof is known (\c std::size_t) and therefore the size of the outer 134561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \c sizeof is known. 135561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// 136561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \code 137561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template<typename T> 138561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// void f(T x, T y) { 139561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// sizeof(sizeof(T() + T()); 140561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// } 141561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \endcode 142561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// 143561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool isInstantiationDependent() const { 144561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor return ExprBits.InstantiationDependent; 145561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 146561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 147561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Set whether this expression is instantiation-dependent or not. 148561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setInstantiationDependent(bool ID) { 149561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = ID; 150561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1510b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 152d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this expression contains an unexpanded parameter 153d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack (for C++0x variadic templates). 154d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 155d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Given the following function template: 156d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 157d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 158d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename F, typename ...Types> 159d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// void forward(const F &f, Types &&...args) { 160d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// f(static_cast<Types&&>(args)...); 161d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// } 162d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 163d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 164d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// The expressions \c args and \c static_cast<Types&&>(args) both 165d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain parameter packs. 166d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 167d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return ExprBits.ContainsUnexpandedParameterPack; 168d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 169d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 170bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /// \brief Set the bit that describes whether this expression 171bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /// contains an unexpanded parameter pack. 172bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 173bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = PP; 174bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 175bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 17863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLoc() const; 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// isUnusedResultAWarning - Return true if this immediate expression should 181026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// be warned about if the result is unused. If so, fill in Loc and Ranges 182026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// with location to warn on and the source range[s] to report with the 183026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// warning. 184026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner bool isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1, 185df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump SourceRange &R2, ASTContext &Ctx) const; 1861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1877eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// isLValue - True if this expression is an "l-value" according to 1887eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// the rules of the current language. C and C++ give somewhat 1897eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// different rules for this concept, but in general, the result of 1907eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// an l-value expression identifies a specific object whereas the 1917eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// result of an r-value expression is a value detached from any 1927eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// specific storage. 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1947eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// C++0x divides the concept of "r-value" into pure r-values 1957eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// ("pr-values") and so-called expiring values ("x-values"), which 1967eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// identify specific objects that can be safely cannibalized for 1977eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// their resources. This is an unfortunate abuse of terminology on 1987eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// the part of the C++ committee. In Clang, when we say "r-value", 1997eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// we generally mean a pr-value. 2007eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall bool isLValue() const { return getValueKind() == VK_LValue; } 2017eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall bool isRValue() const { return getValueKind() == VK_RValue; } 2027eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall bool isXValue() const { return getValueKind() == VK_XValue; } 2037eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall bool isGLValue() const { return getValueKind() != VK_RValue; } 2047eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall 2057eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall enum LValueClassification { 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 209fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 21086f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor LV_InvalidExpression, 211077f490d0a514dcc448475f33f799934252b85a7Fariborz Jahanian LV_InvalidMessageExpression, 2122514a309204341798f96912ce7a90841bea59727Fariborz Jahanian LV_MemberFunction, 213e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertySetting, 214e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor LV_ClassTemporary 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 2167eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall /// Reasons why an expression might not be an l-value. 2177eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall LValueClassification ClassifyLValue(ASTContext &Ctx) const; 21853202857c60214d80950a975e6e52aebf30bd16aEli Friedman 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// and if it is a structure or union, does not have any member (including, 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 22444e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// 22544e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// \param Loc [in] [out] - A source location which *may* be filled 22644e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// in with the location of the expression making this a 22744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// non-modifiable lvalue, if specified. 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 232fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 234ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 2374f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 2385daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 239ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 24086f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor MLV_NoSetterProperty, 2412514a309204341798f96912ce7a90841bea59727Fariborz Jahanian MLV_MemberFunction, 242e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertySetting, 243077f490d0a514dcc448475f33f799934252b85a7Fariborz Jahanian MLV_InvalidMessageExpression, 244e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor MLV_ClassTemporary 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 24644e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx, 24744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar SourceLocation *Loc = 0) const; 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2492111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The return type of classify(). Represents the C++0x expression 2502111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// taxonomy. 2512111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl class Classification { 2522111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl public: 2532111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The various classification results. Most of these mean prvalue. 2542111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl enum Kinds { 2552111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_LValue, 2562111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_XValue, 2572111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_Function, // Functions cannot be lvalues in C. 2582111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_Void, // Void cannot be an lvalue in C. 2591c860d5640e8eebb11a5d515a761242b66761b0bPeter Collingbourne CL_AddressableVoid, // Void expression whose address can be taken in C. 2602111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_DuplicateVectorComponents, // A vector shuffle with dupes. 2612111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_MemberFunction, // An expression referring to a member function 2622111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_SubObjCPropertySetting, 2632111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_ClassTemporary, // A prvalue of class type 264077f490d0a514dcc448475f33f799934252b85a7Fariborz Jahanian CL_ObjCMessageRValue, // ObjC message is an rvalue 2652111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_PRValue // A prvalue for any other reason, of any other type 2662111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 2672111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The results of modification testing. 2682111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl enum ModifiableType { 2692111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Untested, // testModifiable was false. 2702111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Modifiable, 2712111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_RValue, // Not modifiable because it's an rvalue 2722111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Function, // Not modifiable because it's a function; C++ only 2732111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_LValueCast, // Same as CM_RValue, but indicates GCC cast-as-lvalue ext 2742111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_NotBlockQualified, // Not captured in the closure 2752111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_NoSetterProperty,// Implicit assignment to ObjC property without setter 2762111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_ConstQualified, 2772111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_ArrayType, 2782111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_IncompleteType 2792111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 2802111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2812111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl private: 2822111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl friend class Expr; 2832111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2842111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl unsigned short Kind; 2852111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl unsigned short Modifiable; 2862111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2872111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl explicit Classification(Kinds k, ModifiableType m) 2882111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl : Kind(k), Modifiable(m) 2892111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl {} 2902111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2912111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl public: 2922111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification() {} 2932111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2942111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Kinds getKind() const { return static_cast<Kinds>(Kind); } 2952111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl ModifiableType getModifiable() const { 2962111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl assert(Modifiable != CM_Untested && "Did not test for modifiability."); 2972111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return static_cast<ModifiableType>(Modifiable); 2982111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 2992111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isLValue() const { return Kind == CL_LValue; } 3002111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isXValue() const { return Kind == CL_XValue; } 3012111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isGLValue() const { return Kind <= CL_XValue; } 3022111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isPRValue() const { return Kind >= CL_Function; } 3032111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isRValue() const { return Kind >= CL_XValue; } 3042111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isModifiable() const { return getModifiable() == CM_Modifiable; } 3052c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor 3062c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor /// \brief Create a simple, modifiably lvalue 3072c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor static Classification makeSimpleLValue() { 3082c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor return Classification(CL_LValue, CM_Modifiable); 3092c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor } 3102c9a03f3b249e4d9d76eadf758a33142adc4d0a4Douglas Gregor 3112111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 312369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Classify - Classify this expression according to the C++0x 3132111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// expression taxonomy. 3142111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// 3152111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// C++0x defines ([basic.lval]) a new taxonomy of expressions to replace the 3162111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// old lvalue vs rvalue. This function determines the type of expression this 3172111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// is. There are three expression types: 3182111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - lvalues are classical lvalues as in C++03. 3192111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - prvalues are equivalent to rvalues in C++03. 3202111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - xvalues are expressions yielding unnamed rvalue references, e.g. a 3212111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// function returning an rvalue reference. 3222111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// lvalues and xvalues are collectively referred to as glvalues, while 3232111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// prvalues and xvalues together form rvalues. 3242111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification Classify(ASTContext &Ctx) const { 3252111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return ClassifyImpl(Ctx, 0); 3262111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 3272111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 328369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief ClassifyModifiable - Classify this expression according to the 3292111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// C++0x expression taxonomy, and see if it is valid on the left side 3302111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// of an assignment. 3312111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// 3322111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// This function extends classify in that it also tests whether the 3332111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// expression is modifiable (C99 6.3.2.1p1). 3342111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \param Loc A source location that might be filled with a relevant location 3352111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// if the expression is not modifiable. 3362111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification ClassifyModifiable(ASTContext &Ctx, SourceLocation &Loc) const{ 3372111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return ClassifyImpl(Ctx, &Loc); 3382111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 3392111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 340f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// getValueKindForType - Given a formal return or parameter type, 341f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// give its value kind. 342f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static ExprValueKind getValueKindForType(QualType T) { 343f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3440943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall return (isa<LValueReferenceType>(RT) 3450943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall ? VK_LValue 3460943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall : (RT->getPointeeType()->isFunctionType() 3470943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall ? VK_LValue : VK_XValue)); 348f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return VK_RValue; 349f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall } 350f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall 351f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// getValueKind - The value kind that this expression produces. 352f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind getValueKind() const { 353f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return static_cast<ExprValueKind>(ExprBits.ValueKind); 354f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall } 355f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall 356f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// getObjectKind - The object kind that this expression produces. 357f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// Object kinds are meaningful only for expressions that yield an 358f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// l-value or x-value. 359f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprObjectKind getObjectKind() const { 360f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return static_cast<ExprObjectKind>(ExprBits.ObjectKind); 361f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall } 362f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall 36356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall bool isOrdinaryOrBitFieldObject() const { 36456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall ExprObjectKind OK = getObjectKind(); 36556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return (OK == OK_Ordinary || OK == OK_BitField); 36656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 36756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 368f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// setValueKind - Set the value kind produced by this expression. 369f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall void setValueKind(ExprValueKind Cat) { ExprBits.ValueKind = Cat; } 370f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall 371f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /// setObjectKind - Set the object kind produced by this expression. 372f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall void setObjectKind(ExprObjectKind Cat) { ExprBits.ObjectKind = Cat; } 373f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall 3742111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redlprivate: 3752111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification ClassifyImpl(ASTContext &Ctx, SourceLocation *Loc) const; 3762111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 3772111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redlpublic: 3782111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 37933bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// \brief If this expression refers to a bit-field, retrieve the 38033bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// declaration of that bit-field. 38133bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor FieldDecl *getBitField(); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 38338d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson const FieldDecl *getBitField() const { 38438d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson return const_cast<Expr*>(this)->getBitField(); 38538d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson } 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 387f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall /// \brief If this expression is an l-value for an Objective C 388f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall /// property, find the underlying property reference expression. 389f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall const ObjCPropertyRefExpr *getObjCProperty() const; 390f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 391093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson /// \brief Returns whether this expression refers to a vector element. 392093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson bool refersToVectorElement() const; 3934919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall 3944919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall /// \brief Returns whether this expression has a placeholder type. 3954919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall bool hasPlaceholderType() const { 3964919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall return getType()->isPlaceholderType(); 3974919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall } 3984919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall 3994919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall /// \brief Returns whether this expression has a specific placeholder type. 4004919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall bool hasPlaceholderType(BuiltinType::Kind K) const { 40185def357129b6cdfd69a66ad0e6994506418a2a9John McCall assert(BuiltinType::isPlaceholderTypeKind(K)); 4024919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(getType())) 4034919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall return BT->getKind() == K; 4044919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall return false; 4054919dfd54e2296ca997e3d1c9dab85976bba8e95John McCall } 406c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 4072b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// isKnownToHaveBooleanValue - Return true if this is an integer expression 4082b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// that is known to return 0 or 1. This happens for _Bool/bool expressions 4092b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// but also int expressions which are produced by things like comparisons in 4102b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// C. 4112b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner bool isKnownToHaveBooleanValue() const; 412c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 417590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 418590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 420590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 4218070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 422590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 424c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// isConstantInitializer - Returns true if this expression is a constant 425c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// initializer, which can be emitted at compile-time. 4264204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall bool isConstantInitializer(ASTContext &Ctx, bool ForRef) const; 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4281e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith /// EvalStatus is a struct with detailed info about an evaluation in progress. 4291e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith struct EvalStatus { 43094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// HasSideEffects - Whether the evaluated expression has side effects. 43194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// For example, (f() && 0) can be folded, but it still has side effects. 43294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson bool HasSideEffects; 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag - If the expression is unfoldable, then Diag contains a note 43594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// diagnostic indicating why it's not foldable. DiagLoc indicates a caret 43694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// position for the error, and DiagExpr is the expression that caused 43794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// the error. 43894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// If the expression is foldable, but not an integer constant expression, 43994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag contains a note diagnostic that describes why it isn't an integer 44094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// constant expression. If the expression *is* an integer constant 44194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// expression, then Diag will be zero. 44294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson unsigned Diag; 44394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson const Expr *DiagExpr; 44494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson SourceLocation DiagLoc; 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4461e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith EvalStatus() : HasSideEffects(false), Diag(0), DiagExpr(0) {} 447e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara 448e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // hasSideEffects - Return true if the evaluated expression has 449e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // side effects. 450e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara bool hasSideEffects() const { 451e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara return HasSideEffects; 452e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara } 45394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson }; 45494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson 4551e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith /// EvalResult is a struct with detailed info about an evaluated expression. 4561e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith struct EvalResult : EvalStatus { 4571e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith /// Val - This is the value the expression can be folded to. 4581e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith APValue Val; 4591e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith 4601e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith // isGlobalLValue - Return true if the evaluated lvalue expression 4611e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith // is global. 4621e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith bool isGlobalLValue() const; 4631e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith }; 4641e12c59e8f9bb76c23628c4e0d0a1dfced0b1fa0Richard Smith 4656ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 466019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 467019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 468c49bd11f96c2378969822f1f1b814ffa8f2bfee4Richard Smith /// in Result. If this expression is a glvalue, an lvalue-to-rvalue conversion 469c49bd11f96c2378969822f1f1b814ffa8f2bfee4Richard Smith /// will be applied. 4704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool Evaluate(EvalResult &Result, const ASTContext &Ctx) const; 4715b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson 472cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// EvaluateAsBooleanCondition - Return true if this is a constant 473cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// which we we can fold and convert to a boolean condition using 474a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith /// any crazy technique that we want to, even if the expression has 475a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith /// side-effects. 4764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EvaluateAsBooleanCondition(bool &Result, const ASTContext &Ctx) const; 477cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall 478a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith /// EvaluateAsInt - Return true if this is a constant which we can fold and 479a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith /// convert to an integer using any crazy technique that we want to. 480a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith bool EvaluateAsInt(llvm::APSInt &Result, const ASTContext &Ctx) const; 481a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith 4826ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 48345b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 4844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool isEvaluatable(const ASTContext &Ctx) const; 485c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 4866ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// HasSideEffects - This routine returns true for all those expressions 487138d6a6890c171068ac60430431eaadb3fcef9abGabor Greif /// which must be evaluated each time and must not be optimized away 4886ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// or evaluated at compile time. Example is a function call, volatile 4896ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// variable read. 4904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool HasSideEffects(const ASTContext &Ctx) const; 491c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 492a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith /// EvaluateKnownConstInt - Call Evaluate and return the folded integer. This 49351fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 494a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith llvm::APSInt EvaluateKnownConstInt(const ASTContext &Ctx) const; 49551fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 496b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue 497b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// with link time known address. 4984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EvaluateAsLValue(EvalResult &Result, const ASTContext &Ctx) const; 4991b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson 500e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue. 5014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EvaluateAsAnyLValue(EvalResult &Result, const ASTContext &Ctx) const; 502e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara 50382214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// \brief Enumeration used to describe the kind of Null pointer constant 50482214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// returned from \c isNullPointerConstant(). 50582214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth enum NullPointerConstantKind { 50682214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// \brief Expression is not a Null pointer constant. 50782214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NPCK_NotNull = 0, 50882214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth 50982214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// \brief Expression is a Null pointer constant built from a zero integer. 51082214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NPCK_ZeroInteger, 51182214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth 51282214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// \brief Expression is a C++0X nullptr. 51382214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NPCK_CXX0X_nullptr, 51482214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth 51582214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// \brief Expression is a GNU-style __null constant. 51682214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NPCK_GNUNull 51782214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth }; 51882214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth 519ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Enumeration used to describe how \c isNullPointerConstant() 520ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// should cope with value-dependent expressions. 521ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor enum NullPointerConstantValueDependence { 522ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that the expression should never be value-dependent. 523ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_NeverValueDependent = 0, 524c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 525ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression of integral or 526ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// dependent type should be considered a null pointer constant. 527ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNull, 528c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 529ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression should be considered 530ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// to never be a null pointer constant. 531ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNotNull 532ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor }; 533c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 53482214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to 53582214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// a Null pointer constant. The return value can further distinguish the 53682214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth /// kind of NULL pointer constant that was detected. 53782214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NullPointerConstantKind isNullPointerConstant( 53882214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth ASTContext &Ctx, 53982214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NullPointerConstantValueDependence NPC) const; 540efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson 54144baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian /// isOBJCGCCandidate - Return true if this expression may be used in a read/ 5421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// write barrier. 543102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian bool isOBJCGCCandidate(ASTContext &Ctx) const; 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54511ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis /// \brief Returns true if this expression is a bound member function. 54611ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis bool isBoundMemberFunction(ASTContext &Ctx) const; 54711ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis 548864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// \brief Given an expression of bound-member type, find the type 549864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// of the member. Returns null if this is an *overloaded* bound 550864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// member expression. 551864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall static QualType findBoundMemberType(const Expr *expr); 552864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 553369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Result type of CanThrow(). 554369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl enum CanThrowResult { 555369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Cannot, 556369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Dependent, 557369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Can 558369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl }; 559369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Test if this expression, if evaluated, might throw, according to 560369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// the rules of C++ [expr.unary.noexcept]. 561369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CanThrowResult CanThrow(ASTContext &C) const; 562369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl 56391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// IgnoreImpCasts - Skip past any implicit casts which might 56491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// surround this expression. Only skips ImplicitCastExprs. 56591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *IgnoreImpCasts(); 56691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 5677e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// IgnoreImplicit - Skip past any implicit AST nodes which might 5687e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// surround this expression. 5697e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Expr *IgnoreImplicit() { return cast<Expr>(Stmt::IgnoreImplicit()); } 5707e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 5714e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// its subexpression. If that subexpression is also a ParenExpr, 5734e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 5744e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 5752b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner Expr *IgnoreParens(); 57656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 57756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 57827c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 57956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5812fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall /// IgnoreParenImpCasts - Ignore parentheses and implicit casts. Strip off any 5822fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall /// ParenExpr or ImplicitCastExprs, returning their operand. 5832fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall Expr *IgnoreParenImpCasts(); 5842fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall 5852f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg /// IgnoreConversionOperator - Ignore conversion operator. If this Expr is a 5862f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg /// call to a conversion operator, return the argument. 5872f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg Expr *IgnoreConversionOperator(); 5882f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg 5892f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg const Expr *IgnoreConversionOperator() const { 5902f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg return const_cast<Expr*>(this)->IgnoreConversionOperator(); 5912f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg } 5922f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg 5934d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek const Expr *IgnoreParenImpCasts() const { 5944d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek return const_cast<Expr*>(this)->IgnoreParenImpCasts(); 5954d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek } 596f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 597f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall /// Ignore parentheses and lvalue casts. Strip off any ParenExpr and 598f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall /// CastExprs that represent lvalue casts, returning their operand. 599f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall Expr *IgnoreParenLValueCasts(); 600f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 601f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall const Expr *IgnoreParenLValueCasts() const { 602f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall return const_cast<Expr*>(this)->IgnoreParenLValueCasts(); 603f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 6044d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek 605ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 606ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// value (including ptr->int casts of the same size). Strip off any 607ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// ParenExpr or CastExprs, returning their operand. 608ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *IgnoreParenNoopCasts(ASTContext &Ctx); 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6106eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Determine whether this expression is a default function argument. 6116eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// 6126eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// Default arguments are implicitly generated in the abstract syntax tree 613c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// by semantic analysis for function calls, object constructions, etc. in 6146eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// C++. Default arguments are represented by \c CXXDefaultArgExpr nodes; 6156eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// this routine also looks through any implicit casts to determine whether 6166eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// the expression is a default argument. 6176eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor bool isDefaultArgument() const; 618c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 619558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// \brief Determine whether the result of this expression is a 620558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall /// temporary object of the given class type. 621558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall bool isTemporaryObject(ASTContext &Ctx, const CXXRecordDecl *TempTy) const; 6222f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 62375e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor /// \brief Whether this expression is an implicit reference to 'this' in C++. 62475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor bool isImplicitCXXThis() const; 62591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 62691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall const Expr *IgnoreImpCasts() const { 62791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return const_cast<Expr*>(this)->IgnoreImpCasts(); 62891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 6292b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner const Expr *IgnoreParens() const { 6304e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 6314e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 63256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 63356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 63456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 635ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner const Expr *IgnoreParenNoopCasts(ASTContext &Ctx) const { 636ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx); 637ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 639898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyTypeDependentArguments(Expr** Exprs, unsigned NumExprs); 640898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyValueDependentArguments(Expr** Exprs, unsigned NumExprs); 641898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() <= lastExprConstant; 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6505549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 65456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// OpaqueValueExpr - An expression referring to an opaque object of a 65556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// fixed type and value class. These don't correspond to concrete 65656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// syntax; instead they're used to express operations (usually copy 65756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// operations) on values whose source is generally obvious from 65856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// context. 65956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallclass OpaqueValueExpr : public Expr { 66056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall friend class ASTStmtReader; 66156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *SourceExpr; 66256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation Loc; 66356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 66456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallpublic: 66556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValueExpr(SourceLocation Loc, QualType T, ExprValueKind VK, 66656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall ExprObjectKind OK = OK_Ordinary) 66756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : Expr(OpaqueValueExprClass, T, VK, OK, 668561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isDependentType(), T->isDependentType(), 669561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 670561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false), 67156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceExpr(0), Loc(Loc) { 67256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 67356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 67456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// Given an expression which invokes a copy constructor --- i.e. a 67556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// CXXConstructExpr, possibly wrapped in an ExprWithCleanups --- 67656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// find the OpaqueValueExpr that's the source of the construction. 67756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static const OpaqueValueExpr *findInCopyConstruct(const Expr *expr); 67856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 67956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall explicit OpaqueValueExpr(EmptyShell Empty) 68056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : Expr(OpaqueValueExprClass, Empty) { } 68156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 68256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief Retrieve the location of this expression. 68356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation getLocation() const { return Loc; } 68456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 68556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceRange getSourceRange() const { 68656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (SourceExpr) return SourceExpr->getSourceRange(); 68756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return Loc; 68856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 68956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation getExprLoc() const { 69056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (SourceExpr) return SourceExpr->getExprLoc(); 69156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return Loc; 69256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 69356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 69456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall child_range children() { return child_range(); } 69556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 69656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// The source expression of an opaque value expression is the 69756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// expression which originally generated the value. This is 69856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// provided as a convenience for analyses that don't wish to 69956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// precisely model the execution behavior of the program. 70056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// 70156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// The source expression is typically set when building the 70256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// expression which binds the opaque value expression in the first 70356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// place. 70456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getSourceExpr() const { return SourceExpr; } 70556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall void setSourceExpr(Expr *e) { SourceExpr = e; } 70656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 70756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const Stmt *T) { 70856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return T->getStmtClass() == OpaqueValueExprClass; 70956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 71056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const OpaqueValueExpr *) { return true; } 71156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall}; 71256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 713cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// \brief A reference to a declared variable, function, enum, etc. 714cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// [C99 6.5.1p2] 715cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// 716cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// This encodes all the information about how a declaration is referenced 717cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// within an expression. 718cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// 719cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// There are several optional constructs attached to DeclRefExprs only when 720cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// they apply in order to conserve memory. These are laid out past the end of 721cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// the object, and flags in the DeclRefExprBitfield track whether they exist: 722cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// 723cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// DeclRefExprBits.HasQualifier: 724cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// Specifies when this declaration reference expression has a C++ 725cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// nested-name-specifier. 7263aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth/// DeclRefExprBits.HasFoundDecl: 7273aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth/// Specifies when this declaration reference expression has a record of 7283aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth/// a NamedDecl (different from the referenced ValueDecl) which was found 7293aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth/// during name lookup and/or overload resolution. 730cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// DeclRefExprBits.HasExplicitTemplateArgs: 731cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// Specifies when this declaration reference expression has an explicit 732cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth/// C++ template argument list. 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 734cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth /// \brief The declaration that we are referencing. 735cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth ValueDecl *D; 7362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 737cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth /// \brief The location of the declaration name itself. 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 7399e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 740cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth /// \brief Provides source/type location info for the declaration name 741cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth /// embedded in D. 7422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 7432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 7446857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// \brief Helper to retrieve the optional NestedNameSpecifierLoc. 7456857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth NestedNameSpecifierLoc &getInternalQualifierLoc() { 7467e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth assert(hasQualifier()); 7476857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth return *reinterpret_cast<NestedNameSpecifierLoc *>(this + 1); 748a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 749cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 7506857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// \brief Helper to retrieve the optional NestedNameSpecifierLoc. 7516857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth const NestedNameSpecifierLoc &getInternalQualifierLoc() const { 7526857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth return const_cast<DeclRefExpr *>(this)->getInternalQualifierLoc(); 753a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 754096832c5ed5b9106fa177ebc148489760c3bc496John McCall 7553aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// \brief Test whether there is a distinct FoundDecl attached to the end of 7563aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// this DRE. 7573aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth bool hasFoundDecl() const { return DeclRefExprBits.HasFoundDecl; } 7583aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 7593aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// \brief Helper to retrieve the optional NamedDecl through which this 7603aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// reference occured. 7613aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *&getInternalFoundDecl() { 7623aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth assert(hasFoundDecl()); 7633aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (hasQualifier()) 7643aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth return *reinterpret_cast<NamedDecl **>(&getInternalQualifierLoc() + 1); 7653aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth return *reinterpret_cast<NamedDecl **>(this + 1); 7663aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth } 7673aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 7683aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// \brief Helper to retrieve the optional NamedDecl through which this 7693aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// reference occured. 7703aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *getInternalFoundDecl() const { 7713aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth return const_cast<DeclRefExpr *>(this)->getInternalFoundDecl(); 7723aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth } 7733aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 7747e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth DeclRefExpr(NestedNameSpecifierLoc QualifierLoc, 7752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ValueDecl *D, const DeclarationNameInfo &NameInfo, 7763aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD, 7772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs, 778f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType T, ExprValueKind VK); 7792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 780663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis /// \brief Construct an empty declaration reference expression. 781663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis explicit DeclRefExpr(EmptyShell Empty) 782663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis : Expr(DeclRefExprClass, Empty) { } 7837e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 7840da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// \brief Computes the type- and value-dependence flags for this 7850da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// declaration reference expression. 7860da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor void computeDependence(); 7879e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7895b8968cc599eb6100bb73ae87be9d6cd2577ac9eDouglas Gregor DeclRefExpr(ValueDecl *D, QualType T, ExprValueKind VK, SourceLocation L, 7905b8968cc599eb6100bb73ae87be9d6cd2577ac9eDouglas Gregor const DeclarationNameLoc &LocInfo = DeclarationNameLoc()) 791561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(DeclRefExprClass, T, VK, OK_Ordinary, false, false, false, false), 7925b8968cc599eb6100bb73ae87be9d6cd2577ac9eDouglas Gregor D(D), Loc(L), DNLoc(LocInfo) { 793cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBits.HasQualifier = 0; 794cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBits.HasExplicitTemplateArgs = 0; 7953aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth DeclRefExprBits.HasFoundDecl = 0; 7967cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara DeclRefExprBits.HadMultipleCandidates = 0; 7970da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 7980da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 800a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor static DeclRefExpr *Create(ASTContext &Context, 80140d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 802dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 803a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 804f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType T, ExprValueKind VK, 8053aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD = 0, 8060da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs = 0); 807663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis 8082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara static DeclRefExpr *Create(ASTContext &Context, 80940d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 8102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ValueDecl *D, 8112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 812f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType T, ExprValueKind VK, 8133aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD = 0, 8142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs = 0); 8152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 816663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis /// \brief Construct an empty declaration reference expression. 817663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis static DeclRefExpr *CreateEmpty(ASTContext &Context, 8183aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth bool HasQualifier, 8193aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth bool HasFoundDecl, 820def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 821def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 8227e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 823cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth ValueDecl *getDecl() { return D; } 824cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth const ValueDecl *getDecl() const { return D; } 825cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth void setDecl(ValueDecl *NewD) { D = NewD; } 826904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 8272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo getNameInfo() const { 8282577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(getDecl()->getDeclName(), Loc, DNLoc); 8292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 8302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 8319e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 8320b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 83363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 835a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determine whether this declaration reference was preceded by a 836a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// C++ nested-name-specifier, e.g., \c N::foo. 837cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth bool hasQualifier() const { return DeclRefExprBits.HasQualifier; } 8387e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 8397e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth /// \brief If the name was qualified, retrieves the nested-name-specifier 840a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// that precedes the name. Otherwise, returns NULL. 841a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *getQualifier() const { 842a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 843a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 8447e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 8456857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth return getInternalQualifierLoc().getNestedNameSpecifier(); 846a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 84740d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor 8487e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth /// \brief If the name was qualified, retrieves the nested-name-specifier 84940d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor /// that precedes the name, with source-location information. 85040d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { 85140d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor if (!hasQualifier()) 85240d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor return NestedNameSpecifierLoc(); 8537e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 8546857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth return getInternalQualifierLoc(); 85540d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor } 85640d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor 8573aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// \brief Get the NamedDecl through which this reference occured. 8583aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// 8593aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// This Decl may be different from the ValueDecl actually referred to in the 8603aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// presence of using declarations, etc. It always returns non-NULL, and may 8613aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// simple return the ValueDecl when appropriate. 8623aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *getFoundDecl() { 8633aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth return hasFoundDecl() ? getInternalFoundDecl() : D; 8643aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth } 8653aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 8663aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// \brief Get the NamedDecl through which this reference occurred. 8673aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth /// See non-const variant. 8683aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth const NamedDecl *getFoundDecl() const { 8693aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth return hasFoundDecl() ? getInternalFoundDecl() : D; 8703aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth } 8713aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 8727e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth /// \brief Determines whether this declaration reference was followed by an 8737e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth /// explict template argument list. 874096832c5ed5b9106fa177ebc148489760c3bc496John McCall bool hasExplicitTemplateArgs() const { 875cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth return DeclRefExprBits.HasExplicitTemplateArgs; 876096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 8777e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 878096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that followed the 879096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// member template name. 880b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 881096832c5ed5b9106fa177ebc148489760c3bc496John McCall assert(hasExplicitTemplateArgs()); 8823aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (hasFoundDecl()) 883b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>( 8843aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth &getInternalFoundDecl() + 1); 8853aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 8863aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (hasQualifier()) 887b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>( 8883aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth &getInternalQualifierLoc() + 1); 8897e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 890b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 891096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 8927e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 893096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that followed the 894096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// member template name. 895b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 896096832c5ed5b9106fa177ebc148489760c3bc496John McCall return const_cast<DeclRefExpr *>(this)->getExplicitTemplateArgs(); 897a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 898d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 899096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 900096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 901096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 902b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getExplicitTemplateArgsOpt() const { 903096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 904096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 905096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 9067e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 907d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 908d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 909d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 910096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (hasExplicitTemplateArgs()) 911096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 912d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 9137e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 914a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the left angle bracket following the 915a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member name ('<'), if any. 916a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getLAngleLoc() const { 917096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 918a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 9197e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 920096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 921a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 9227e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 923a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments provided as part of this 924a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 925833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 926096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 927a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 9287e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 929096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 930a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 9317e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 932a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 933a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 934a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned getNumTemplateArgs() const { 935096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 936a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 9377e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 938096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 939a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 9407e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 941a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the right angle bracket following the 942a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template arguments ('>'). 943a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getRAngleLoc() const { 944096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 945a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 9467e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 947096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 948a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 9497e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 9507cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Returns true if this expression refers to a function that 9517cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// was resolved from an overloaded set having size greater than 1. 9527cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { 9537cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara return DeclRefExprBits.HadMultipleCandidates; 9547cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara } 9557cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Sets the flag telling whether this expression refers to 9567cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// a function that was resolved from an overloaded set having size 9577cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// greater than 1. 9587cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V = true) { 9597cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara DeclRefExprBits.HadMultipleCandidates = V; 9607cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara } 9617cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 96399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return T->getStmtClass() == DeclRefExprClass; 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 96863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 9697e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth 97060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 9713397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 974d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 975d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 976227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 977227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 978227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 979227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 980848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunction, 981848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// PrettyFunctionNoVirtual - The same as PrettyFunction, except that the 982848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// 'virtual' keyword is omitted for virtual member functions. 983848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunctionNoVirtual 984227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 986227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 987227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 988227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 989227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 991f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(PredefinedExprClass, type, VK_LValue, OK_Ordinary, 992bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor type->isDependentType(), type->isDependentType(), 993561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor type->isInstantiationDependentType(), 994bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 995f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l), Type(IT) {} 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty predefined expression. 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit PredefinedExpr(EmptyShell Empty) 99917fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(PredefinedExprClass, Empty) { } 100017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 1001227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 100217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setIdentType(IdentType IT) { Type = IT; } 100317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 100417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 100517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 100617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 1007848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson static std::string ComputeName(IdentType IT, const Decl *CurrentDecl); 10083a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 100963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 1010227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == PredefinedExprClass; 1013227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 1014d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 101763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1018227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 1019227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 10209996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// \brief Used by IntegerLiteral/FloatingLiteral to store the numeric without 10219996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// leaking memory. 10229996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// 10239996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// For large floats/integers, APFloat/APInt will allocate memory from the heap 10249996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// to represent these numbers. Unfortunately, when we use a BumpPtrAllocator 10259996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// to allocate IntegerLiteral/FloatingLiteral nodes the memory associated with 10269996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// the APFloat/APInt values will never get freed. APNumericStorage uses 10279996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// ASTContext's allocator for memory allocation. 10289996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APNumericStorage { 10299996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis unsigned BitWidth; 10309996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis union { 10319996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis uint64_t VAL; ///< Used to store the <= 64 bits integer value. 10329996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis uint64_t *pVal; ///< Used to store the >64 bits integer value. 10339996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis }; 10349996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10359996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis bool hasAllocation() const { return llvm::APInt::getNumWords(BitWidth) > 1; } 10369996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10379996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage(const APNumericStorage&); // do not implement 10389996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage& operator=(const APNumericStorage&); // do not implement 10399996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10409996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisprotected: 10419996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage() : BitWidth(0), VAL(0) { } 10429996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10439996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getIntValue() const { 10449996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis unsigned NumWords = llvm::APInt::getNumWords(BitWidth); 10459996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis if (NumWords > 1) 10469996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return llvm::APInt(BitWidth, NumWords, pVal); 10479996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis else 10489996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return llvm::APInt(BitWidth, VAL); 10499996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 10509996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setIntValue(ASTContext &C, const llvm::APInt &Val); 10519996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 10529996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10539996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APIntStorage : public APNumericStorage { 10549996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 10559996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getValue() const { return getIntValue(); } 10569996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APInt &Val) { setIntValue(C, Val); } 10579996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 10589996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10599996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APFloatStorage : public APNumericStorage { 10609996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 10619996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APFloat getValue() const { return llvm::APFloat(getIntValue()); } 10629996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APFloat &Val) { 10639996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setIntValue(C, Val.bitcastToAPInt()); 10649996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 10659996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 10669996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 10689996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APIntStorage Num; 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 10709996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10719996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis /// \brief Construct an empty integer literal. 10729996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis explicit IntegerLiteral(EmptyShell Empty) 10739996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(IntegerLiteralClass, Empty) { } 10749996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 10789996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IntegerLiteral(ASTContext &C, const llvm::APInt &V, 10799996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis QualType type, SourceLocation l) 1080bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(IntegerLiteralClass, type, VK_RValue, OK_Ordinary, false, false, 1081561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 1082f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) { 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 10841dd986dff9ddfbec687975700770bb377988e9edRichard Trieu assert(V.getBitWidth() == C.getIntWidth(type) && 10851dd986dff9ddfbec687975700770bb377988e9edRichard Trieu "Integer type is not the correct size for constant."); 10869996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setValue(C, V); 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1088a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 10891dd986dff9ddfbec687975700770bb377988e9edRichard Trieu /// \brief Returns a new integer literal with value 'V' and type 'type'. 10901dd986dff9ddfbec687975700770bb377988e9edRichard Trieu /// \param type - either IntTy, LongTy, LongLongTy, UnsignedIntTy, 10911dd986dff9ddfbec687975700770bb377988e9edRichard Trieu /// UnsignedLongTy, or UnsignedLongLongTy which should match the size of V 10921dd986dff9ddfbec687975700770bb377988e9edRichard Trieu /// \param V - the value that the returned integer literal contains. 10939996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static IntegerLiteral *Create(ASTContext &C, const llvm::APInt &V, 10949996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis QualType type, SourceLocation l); 10951dd986dff9ddfbec687975700770bb377988e9edRichard Trieu /// \brief Returns a new empty integer literal. 10969996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static IntegerLiteral *Create(ASTContext &C, EmptyShell Empty); 10970b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 10989996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getValue() const { return Num.getValue(); } 109963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1101313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Retrieve the location of the literal. 1102313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLocation() const { return Loc; } 1103313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 11049996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APInt &Val) { Num.setValue(C, Val); } 11050b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 11060b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IntegerLiteralClass; 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 111363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 11175cee1195584fa8672253139c86e922daeda69b9eDouglas Gregorpublic: 11185cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor enum CharacterKind { 11195cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor Ascii, 11205cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor Wide, 11215cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor UTF16, 11225cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor UTF32 11235cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor }; 11245cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor 11255cee1195584fa8672253139c86e922daeda69b9eDouglas Gregorprivate: 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 11285cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor unsigned Kind : 2; 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 11315cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor CharacterLiteral(unsigned value, CharacterKind kind, QualType type, 11325cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor SourceLocation l) 1133bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CharacterLiteralClass, type, VK_RValue, OK_Ordinary, false, false, 1134561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 11355cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor Value(value), Loc(l), Kind(kind) { 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11370b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 11380b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty character literal. 11390b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor CharacterLiteral(EmptyShell Empty) : Expr(CharacterLiteralClass, Empty) { } 11400b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 1141018d8e0596dd57401eeddcf11ac84ff0a065fbbeChris Lattner SourceLocation getLocation() const { return Loc; } 11425cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor CharacterKind getKind() const { return static_cast<CharacterKind>(Kind); } 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 114463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 11451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11480b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 11495cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor void setKind(CharacterKind kind) { Kind = kind; } 11500b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(unsigned Val) { Value = Val; } 11510b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CharacterLiteralClass; 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 115677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 115777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 115863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 11629996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APFloatStorage Num; 1163720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 11659996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 11669996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis FloatingLiteral(ASTContext &C, const llvm::APFloat &V, bool isexact, 1167720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 1168bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(FloatingLiteralClass, Type, VK_RValue, OK_Ordinary, false, false, 1169561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 11709996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IsExact(isexact), Loc(L) { 11719996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setValue(C, V); 11729996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 117417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty floating-point literal. 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit FloatingLiteral(EmptyShell Empty) 11769996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(FloatingLiteralClass, Empty), IsExact(false) { } 117717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 11789996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 11799996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static FloatingLiteral *Create(ASTContext &C, const llvm::APFloat &V, 11809996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis bool isexact, QualType Type, SourceLocation L); 11819996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static FloatingLiteral *Create(ASTContext &C, EmptyShell Empty); 11829996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 11839996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APFloat getValue() const { return Num.getValue(); } 11849996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APFloat &Val) { 11859996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Num.setValue(C, Val); 11869996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 118717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 1188720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 118917fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setExact(bool E) { IsExact = E; } 1190c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 1191da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 1192da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 1193da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 1194da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 11951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 119617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 119717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 119817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 119963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == FloatingLiteralClass; 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 120677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 120763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12105d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 12115d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 12125d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 12135d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 12145d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 12155d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 12165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 12175d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 12185d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 1219bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(ImaginaryLiteralClass, Ty, VK_RValue, OK_Ordinary, false, false, 1220561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 1221f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Val(val) {} 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1223cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Build an empty imaginary literal. 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImaginaryLiteral(EmptyShell Empty) 1225cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ImaginaryLiteralClass, Empty) { } 1226cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 12275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 12285549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 1229cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 1230cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 123163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Val->getSourceRange(); } 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImaginaryLiteralClass; 12345d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 12355d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12375d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 123863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Val, &Val+1); } 12395d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 12405d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 1241e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 1242e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 1243e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 1244a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 1245c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// ConstantArrayType. In C++, the char type is const qualified, in C it is 1246c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// not. 1247690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// 1248690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// Note that strings in C can be formed by concatenation of multiple string 12498bea7c0ee44c71c817de7dc2be932b73bec90c9fChris Lattner/// literal pptokens in translation phase #6. This keeps track of the locations 1250690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// of each of these pieces. 1251c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// 1252c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// Strings in C can also be truncated and extended by assigning into arrays, 1253c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// e.g. with constructs like: 1254c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// char X[2] = "foobar"; 1255c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// In this case, getByteLength() will return 6, but the string literal will 1256c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// have type "char[2]". 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 12585cee1195584fa8672253139c86e922daeda69b9eDouglas Gregorpublic: 12595cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor enum StringKind { 12605cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor Ascii, 12615cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor Wide, 12625cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor UTF8, 12635cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor UTF16, 12645cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor UTF32 12655cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor }; 12665cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor 12675cee1195584fa8672253139c86e922daeda69b9eDouglas Gregorprivate: 12683e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson friend class ASTStmtReader; 12693e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 1272726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned NumConcatenated; 12735cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor unsigned Kind : 3; 12745cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool IsPascal : 1; 1275726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation TokLocs[1]; 12762085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 1277f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall StringLiteral(QualType Ty) : 1278561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Expr(StringLiteralClass, Ty, VK_LValue, OK_Ordinary, false, false, false, 1279561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false) {} 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12822085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// This is the "fully general" constructor that allows representation of 12832085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// strings formed from multiple concatenated tokens. 12845cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor static StringLiteral *Create(ASTContext &C, StringRef Str, StringKind Kind, 128565aa6885818d4b4eea2e5a9d12085b2398148662Jay Foad bool Pascal, QualType Ty, 1286a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson const SourceLocation *Loc, unsigned NumStrs); 12872085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 12882085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// Simple constructor for string literals made from one token. 12895cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor static StringLiteral *Create(ASTContext &C, StringRef Str, StringKind Kind, 12905cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool Pascal, QualType Ty, 12915cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor SourceLocation Loc) { 12925cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor return Create(C, Str, Kind, Pascal, Ty, &Loc, 1); 12932085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 1294a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 1295673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Construct an empty string literal. 1296673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor static StringLiteral *CreateEmpty(ASTContext &C, unsigned NumStrs); 1297673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1298686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getString() const { 1299686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(StrData, ByteLength); 1300b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar } 13012f4eaef37476ae6891ede8ba215d0f6fd093629bBenjamin Kramer 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 1303673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1304673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Sets the string data to the given string data. 1305686775deca8b8685eb90801495880e3abdd844c2Chris Lattner void setString(ASTContext &C, StringRef Str); 1306673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 13075cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor StringKind getKind() const { return static_cast<StringKind>(Kind); } 13085cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isAscii() const { return Kind == Ascii; } 13095cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isWide() const { return Kind == Wide; } 13105cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isUTF8() const { return Kind == UTF8; } 13115cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isUTF16() const { return Kind == UTF16; } 13125cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isUTF32() const { return Kind == UTF32; } 13133e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson bool isPascal() const { return IsPascal; } 13145cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor 13158d4141f83d9de379547cf05bd75d4c6cf894b189Steve Naroff bool containsNonAsciiOrNull() const { 1316686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef Str = getString(); 1317b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar for (unsigned i = 0, e = Str.size(); i != e; ++i) 1318b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar if (!isascii(Str[i]) || !Str[i]) 131933fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return true; 132033fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return false; 132133fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff } 1322726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// getNumConcatenated - Get the number of string literal tokens that were 1323726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// concatenated in translation phase #6 to form this string literal. 1324726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned getNumConcatenated() const { return NumConcatenated; } 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1326726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation getStrTokenLoc(unsigned TokNum) const { 1327726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner assert(TokNum < NumConcatenated && "Invalid tok number"); 1328726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner return TokLocs[TokNum]; 1329726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner } 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setStrTokenLoc(unsigned TokNum, SourceLocation L) { 1331673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor assert(TokNum < NumConcatenated && "Invalid tok number"); 1332673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor TokLocs[TokNum] = L; 1333673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor } 133408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 133508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// getLocationOfByte - Return a source location that points to the specified 133608f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// byte of this string literal. 133708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// 133808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// Strings are amazingly complex. They can be formed from multiple tokens 133908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// and can have escape sequences in them in addition to the usual trigraph 134008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// and escaped newline business. This routine handles this complexity. 134108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner /// 134208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner SourceLocation getLocationOfByte(unsigned ByteNo, const SourceManager &SM, 134308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner const LangOptions &Features, 134408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner const TargetInfo &Target) const; 1345673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1346b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner typedef const SourceLocation *tokloc_iterator; 1347b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_begin() const { return TokLocs; } 1348b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; } 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 135063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]); 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StringLiteralClass; 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 135963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 13665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 1369898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ParenExprClass, val->getType(), 1370f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall val->getValueKind(), val->getObjectKind(), 1371bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor val->isTypeDependent(), val->isValueDependent(), 1372561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor val->isInstantiationDependent(), 1373bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor val->containsUnexpandedParameterPack()), 1374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor L(l), R(r), Val(val) {} 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor /// \brief Construct an empty parenthesized expression. 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ParenExpr(EmptyShell Empty) 1378c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor : Expr(ParenExprClass, Empty) { } 1379c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 13805549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 13815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 1382c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 1383c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 138463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(L, R); } 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1386313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the left parentheses '('. 1387313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLParen() const { return L; } 1388c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setLParen(SourceLocation Loc) { L = Loc; } 1389313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 1390313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the right parentheses ')'. 1391313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getRParen() const { return R; } 1392c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setRParen(SourceLocation Loc) { R = Loc; } 1393313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenExprClass; 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 140063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Val, &Val+1); } 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14040518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 14050518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 14065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 1407dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 1408dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 1409dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 1410dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 1411dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 1412dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 1413dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14165baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef UnaryOperatorKind Opcode; 14175baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 14190799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall unsigned Opc : 5; 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 14210799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Stmt *Val; 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 14235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1424f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall UnaryOperator(Expr *input, Opcode opc, QualType type, 1425f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK, SourceLocation l) 1426f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryOperatorClass, type, VK, OK, 1427de7e66256b1bdfcf6526994825a8c8fced52a31cEli Friedman input->isTypeDependent() || type->isDependentType(), 1428bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor input->isValueDependent(), 1429561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (input->isInstantiationDependent() || 1430561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor type->isInstantiationDependentType()), 1431bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor input->containsUnexpandedParameterPack()), 14320799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opc(opc), Loc(l), Val(input) {} 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14340b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Build an empty unary operator. 14351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit UnaryOperator(EmptyShell Empty) 14362de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(UnaryOperatorClass, Empty), Opc(UO_AddrOf) { } 14370b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14380799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opcode getOpcode() const { return static_cast<Opcode>(Opc); } 14390b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 14400b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 14420b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSubExpr(Expr *E) { Val = E; } 14430b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 14460b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { Loc = L; } 14470b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 14492085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPostfix(Opcode Op) { 14502de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op == UO_PostInc || Op == UO_PostDec; 14512085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1453cc7bd10c0de9449b795bda3c5dcc6d83cc48436bZhanyong Wan /// isPrefix - Return true if this is a prefix operation, like --x. 14542085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPrefix(Opcode Op) { 14552de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op == UO_PreInc || Op == UO_PreDec; 14562085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 14575a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 14580799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isPrefix() const { return isPrefix(getOpcode()); } 14590799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isPostfix() const { return isPostfix(getOpcode()); } 14603c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 14613c3b7f90a863af43fa63043d396553ecf205351cJohn McCall static bool isIncrementOp(Opcode Op) { 14623c3b7f90a863af43fa63043d396553ecf205351cJohn McCall return Op == UO_PreInc || Op == UO_PostInc; 14633c3b7f90a863af43fa63043d396553ecf205351cJohn McCall } 14642de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isIncrementOp() const { 14653c3b7f90a863af43fa63043d396553ecf205351cJohn McCall return isIncrementOp(getOpcode()); 14663c3b7f90a863af43fa63043d396553ecf205351cJohn McCall } 14673c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 14683c3b7f90a863af43fa63043d396553ecf205351cJohn McCall static bool isDecrementOp(Opcode Op) { 14693c3b7f90a863af43fa63043d396553ecf205351cJohn McCall return Op == UO_PreDec || Op == UO_PostDec; 14702de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 14713c3b7f90a863af43fa63043d396553ecf205351cJohn McCall bool isDecrementOp() const { 14723c3b7f90a863af43fa63043d396553ecf205351cJohn McCall return isDecrementOp(getOpcode()); 14733c3b7f90a863af43fa63043d396553ecf205351cJohn McCall } 14743c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 14753c3b7f90a863af43fa63043d396553ecf205351cJohn McCall static bool isIncrementDecrementOp(Opcode Op) { return Op <= UO_PreDec; } 14762de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isIncrementDecrementOp() const { 14773c3b7f90a863af43fa63043d396553ecf205351cJohn McCall return isIncrementDecrementOp(getOpcode()); 14782de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 14793c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 14802de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isArithmeticOp(Opcode Op) { 14812de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op >= UO_Plus && Op <= UO_LNot; 14822de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 14830799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isArithmeticOp() const { return isArithmeticOp(getOpcode()); } 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 14875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1489bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the unary opcode that corresponds to the given 1490bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// overloaded operator. 1491bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix); 1492bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 1493bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 1494bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// the given unary opcode. 1495bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 1496bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 149763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 15015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 15025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 150363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLoc() const { return Loc; } 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == UnaryOperatorClass; 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 151163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Val, &Val+1); } 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15148ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// OffsetOfExpr - [C99 7.17] - This represents an expression of the form 15158ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// offsetof(record-type, member-designator). For example, given: 15168ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// @code 15178ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct S { 15188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// float f; 1519c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt/// double d; 15208ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// }; 15218ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct T { 15228ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// int i; 15238ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct S s[10]; 15248ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// }; 15258ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// @endcode 1526c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt/// we can represent and evaluate the expression @c offsetof(struct T, s[2].d). 15278ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 15288ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorclass OffsetOfExpr : public Expr { 15298ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorpublic: 15308ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // __builtin_offsetof(type, identifier(.identifier|[expr])*) 15318ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor class OffsetOfNode { 15328ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor public: 15338ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The kind of offsetof node we have. 15348ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor enum Kind { 1535cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief An index into an array. 15368ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Array = 0x00, 1537cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief A field. 15388ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Field = 0x01, 1539cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief A field in a dependent type, known only by its name. 1540cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor Identifier = 0x02, 1541cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief An implicit indirection through a C++ base class, when the 1542cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// field found is in a base class. 1543cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor Base = 0x03 15448ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor }; 15458ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 15468ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor private: 15478ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor enum { MaskBits = 2, Mask = 0x03 }; 1548c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15498ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The source range that covers this part of the designator. 15508ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceRange Range; 1551c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15528ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The data describing the designator, which comes in three 15538ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// different forms, depending on the lower two bits. 1554c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// - An unsigned index into the array of Expr*'s stored after this node 15558ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// in memory, for [constant-expression] designators. 15568ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// - A FieldDecl*, for references to a known field. 15578ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// - An IdentifierInfo*, for references to a field with a given name 15588ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// when the class type is dependent. 1559c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// - A CXXBaseSpecifier*, for references that look at a field in a 1560cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// base class. 15618ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor uintptr_t Data; 1562c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15638ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor public: 15648ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to an array element. 1565c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode(SourceLocation LBracketLoc, unsigned Index, 15668ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RBracketLoc) 15678ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor : Range(LBracketLoc, RBracketLoc), Data((Index << 2) | Array) { } 1568c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15698ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to a field. 1570c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode(SourceLocation DotLoc, FieldDecl *Field, 15718ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation NameLoc) 1572c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Range(DotLoc.isValid()? DotLoc : NameLoc, NameLoc), 15738ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Data(reinterpret_cast<uintptr_t>(Field) | OffsetOfNode::Field) { } 1574c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15758ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to an identifier. 15768ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor OffsetOfNode(SourceLocation DotLoc, IdentifierInfo *Name, 15778ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation NameLoc) 1578c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Range(DotLoc.isValid()? DotLoc : NameLoc, NameLoc), 15798ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Data(reinterpret_cast<uintptr_t>(Name) | Identifier) { } 1580cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor 1581cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief Create an offsetof node that refers into a C++ base class. 1582cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor explicit OffsetOfNode(const CXXBaseSpecifier *Base) 1583cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor : Range(), Data(reinterpret_cast<uintptr_t>(Base) | OffsetOfNode::Base) {} 1584c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15858ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Determine what kind of offsetof node this is. 1586c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Kind getKind() const { 15878ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return static_cast<Kind>(Data & Mask); 15888ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1589c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 15908ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For an array element node, returns the index into the array 15918ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// of expressions. 15928ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getArrayExprIndex() const { 15938ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(getKind() == Array); 15948ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return Data >> 2; 15958ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 15968ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 15978ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For a field offsetof node, returns the field. 15988ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor FieldDecl *getField() const { 15998ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(getKind() == Field); 1600cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor return reinterpret_cast<FieldDecl *>(Data & ~(uintptr_t)Mask); 16018ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1602c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16038ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For a field or identifier offsetof node, returns the name of 16048ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// the field. 16058ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor IdentifierInfo *getFieldName() const; 1606c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1607cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief For a base class node, returns the base specifier. 1608cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor CXXBaseSpecifier *getBase() const { 1609cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor assert(getKind() == Base); 1610c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return reinterpret_cast<CXXBaseSpecifier *>(Data & ~(uintptr_t)Mask); 1611cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor } 1612c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16138ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Retrieve the source range that covers this offsetof node. 16148ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// 16158ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// For an array element node, the source range contains the locations of 16168ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// the square brackets. For a field or identifier node, the source range 1617c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// contains the location of the period (if there is one) and the 16188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// identifier. 161906dec892b5300b43263d25c5476b506c9d6cfbadAbramo Bagnara SourceRange getSourceRange() const { return Range; } 16208ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor }; 16218ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16228ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorprivate: 1623c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16248ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, RParenLoc; 16258ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Base type; 16268ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TypeSourceInfo *TSInfo; 16278ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Number of sub-components (i.e. instances of OffsetOfNode). 16288ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumComps; 16298ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Number of sub-expressions (i.e. array subscript expressions). 16308ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumExprs; 1631c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1632c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfExpr(ASTContext &C, QualType type, 16338ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, TypeSourceInfo *tsi, 1634c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode* compsPtr, unsigned numComps, 16358ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr** exprsPtr, unsigned numExprs, 16368ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc); 16378ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16388ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor explicit OffsetOfExpr(unsigned numComps, unsigned numExprs) 16398ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor : Expr(OffsetOfExprClass, EmptyShell()), 1640c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt TSInfo(0), NumComps(numComps), NumExprs(numExprs) {} 16418ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16428ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorpublic: 1643c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1644c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt static OffsetOfExpr *Create(ASTContext &C, QualType type, 1645c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt SourceLocation OperatorLoc, TypeSourceInfo *tsi, 1646c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode* compsPtr, unsigned numComps, 16478ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr** exprsPtr, unsigned numExprs, 16488ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc); 16498ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 1650c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt static OffsetOfExpr *CreateEmpty(ASTContext &C, 16518ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumComps, unsigned NumExprs); 16528ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16538ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// getOperatorLoc - Return the location of the operator. 16548ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 16558ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setOperatorLoc(SourceLocation L) { OperatorLoc = L; } 16568ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16578ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Return the location of the right parentheses. 16588ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 16598ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setRParenLoc(SourceLocation R) { RParenLoc = R; } 1660c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16618ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 16628ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return TSInfo; 16638ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 16648ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setTypeSourceInfo(TypeSourceInfo *tsi) { 16658ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TSInfo = tsi; 16668ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1667c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16688cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne const OffsetOfNode &getComponent(unsigned Idx) const { 16698ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 16708cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne return reinterpret_cast<const OffsetOfNode *> (this + 1)[Idx]; 16718ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 16728ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16738ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setComponent(unsigned Idx, OffsetOfNode ON) { 16748ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 16758ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *> (this + 1)[Idx] = ON; 16768ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1677c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16788ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getNumComponents() const { 16798ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return NumComps; 16808ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 16818ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16828ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr* getIndexExpr(unsigned Idx) { 16838ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumExprs && "Subscript out of range"); 16848ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return reinterpret_cast<Expr **>( 16858ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *>(this+1) + NumComps)[Idx]; 16868ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 16878cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne const Expr *getIndexExpr(unsigned Idx) const { 16888cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne return const_cast<OffsetOfExpr*>(this)->getIndexExpr(Idx); 16898cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne } 16908ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 16918ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setIndexExpr(unsigned Idx, Expr* E) { 16928ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 16938ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<Expr **>( 16948ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *>(this+1) + NumComps)[Idx] = E; 16958ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1696c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16978ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getNumExpressions() const { 16988ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return NumExprs; 16998ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 17008ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 170163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 17028ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return SourceRange(OperatorLoc, RParenLoc); 17038ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 17048ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 17058ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor static bool classof(const Stmt *T) { 17068ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return T->getStmtClass() == OffsetOfExprClass; 17078ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 17088ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 17098ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor static bool classof(const OffsetOfExpr *) { return true; } 17108ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 17118ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Iterators 171263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 171363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = 171463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall reinterpret_cast<Stmt**>(reinterpret_cast<OffsetOfNode*>(this + 1) 171563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall + NumComps); 171663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumExprs); 171763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 17188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor}; 17198ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 1720f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne/// UnaryExprOrTypeTraitExpr - expression with either a type or (unevaluated) 1721f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne/// expression operand. Used for sizeof/alignof (C99 6.5.3.4) and 1722f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne/// vec_step (OpenCL 1.1 6.11.12). 1723f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourneclass UnaryExprOrTypeTraitExpr : public Expr { 1724f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne unsigned Kind : 2; 17250518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 1726d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl union { 1727a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *Ty; 1728d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl Stmt *Ex; 1729d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } Argument; 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 173142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1733f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne UnaryExprOrTypeTraitExpr(UnaryExprOrTypeTrait ExprKind, TypeSourceInfo *TInfo, 1734f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne QualType resultType, SourceLocation op, 1735f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne SourceLocation rp) : 1736f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Expr(UnaryExprOrTypeTraitExprClass, resultType, VK_RValue, OK_Ordinary, 1737ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 17382850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // Value-dependent if the argument is type-dependent. 1739bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor TInfo->getType()->isDependentType(), 1740561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TInfo->getType()->isInstantiationDependentType(), 1741bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor TInfo->getType()->containsUnexpandedParameterPack()), 1742f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Kind(ExprKind), isType(true), OpLoc(op), RParenLoc(rp) { 1743a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 1744ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor } 1745ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 1746f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne UnaryExprOrTypeTraitExpr(UnaryExprOrTypeTrait ExprKind, Expr *E, 1747f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne QualType resultType, SourceLocation op, 1748f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne SourceLocation rp) : 1749f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Expr(UnaryExprOrTypeTraitExprClass, resultType, VK_RValue, OK_Ordinary, 1750ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 1751ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor // Value-dependent if the argument is type-dependent. 1752bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor E->isTypeDependent(), 1753561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor E->isInstantiationDependent(), 1754bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor E->containsUnexpandedParameterPack()), 1755f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Kind(ExprKind), isType(false), OpLoc(op), RParenLoc(rp) { 1756ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Argument.Ex = E; 1757d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } 17580518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 17590b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Construct an empty sizeof/alignof expression. 1760f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne explicit UnaryExprOrTypeTraitExpr(EmptyShell Empty) 1761f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne : Expr(UnaryExprOrTypeTraitExprClass, Empty) { } 17620b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 1763f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne UnaryExprOrTypeTrait getKind() const { 1764f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return static_cast<UnaryExprOrTypeTrait>(Kind); 1765f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne } 1766f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne void setKind(UnaryExprOrTypeTrait K) { Kind = K; } 17670b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 17680518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 17690518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 17705ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return getArgumentTypeInfo()->getType(); 17715ab75172051a6d2ea71a80a79e81c65519fd3462John McCall } 1772a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *getArgumentTypeInfo() const { 17730518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 17745ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return Argument.Ty; 17750518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1776caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner Expr *getArgumentExpr() { 17770518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 1778d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl return static_cast<Expr*>(Argument.Ex); 17790518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1780caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner const Expr *getArgumentExpr() const { 1781f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return const_cast<UnaryExprOrTypeTraitExpr*>(this)->getArgumentExpr(); 1782caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner } 17830b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 17840b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setArgument(Expr *E) { Argument.Ex = E; isType = false; } 1785a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall void setArgument(TypeSourceInfo *TInfo) { 1786a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 17871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isType = true; 17880b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor } 17890b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 17900518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 17910518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 17920518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 17930518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 17940518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 17950518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 179676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 17970b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 17980b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 17990b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 18000b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1801866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 180263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1803866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 1804866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1807f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return T->getStmtClass() == UnaryExprOrTypeTraitExprClass; 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1809f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne static bool classof(const UnaryExprOrTypeTraitExpr *) { return true; } 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 181263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 18135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 18205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 182177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 18221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18252324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 1826f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK, 182773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 1828f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(ArraySubscriptExprClass, t, VK, OK, 18292850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isTypeDependent() || rhs->isTypeDependent(), 1830bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor lhs->isValueDependent() || rhs->isValueDependent(), 1831561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhs->isInstantiationDependent() || 1832561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 1833bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhs->containsUnexpandedParameterPack() || 1834bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhs->containsUnexpandedParameterPack())), 18352850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl RBracketLoc(rbracketloc) { 183673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 183773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 183873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 18391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1840cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Create an empty array subscript expression. 1841cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor explicit ArraySubscriptExpr(EmptyShell Shell) 1842cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ArraySubscriptExprClass, Shell) { } 1843cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 18442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 18452324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 18462324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 18472324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 18482324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 184933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 185033fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 185133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 185233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 18535549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 18545549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1855cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 1856cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 18575549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 18585549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1859cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 18601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getBase() { 18625549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 186377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 18641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getBase() const { 18665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 18672324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getIdx() { 18705549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 18712324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 18745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 187877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1881026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRBracketLoc() const { return RBracketLoc; } 1882cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } 1883cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 188463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLoc() const { return getBase()->getExprLoc(); } 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 18871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ArraySubscriptExprClass; 18885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 18901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 189263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 189363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 189463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1898b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 1900b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 19011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// results in a function call. For example, CXXOperatorCallExpr is 1902b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 1903b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 1905cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne enum { FN=0, PREARGS_START=1 }; 19065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1910b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 1911cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne // These versions of the constructor are for derived classes. 1912cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExpr(ASTContext& C, StmtClass SC, Expr *fn, unsigned NumPreArgs, 1913cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne Expr **args, unsigned numargs, QualType t, ExprValueKind VK, 1914cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SourceLocation rparenloc); 1915cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExpr(ASTContext &C, StmtClass SC, unsigned NumPreArgs, EmptyShell Empty); 1916cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 1917cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne Stmt *getPreArg(unsigned i) { 1918cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne assert(i < getNumPreArgs() && "Prearg access out of range!"); 1919cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return SubExprs[PREARGS_START+i]; 1920cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1921cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne const Stmt *getPreArg(unsigned i) const { 1922cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne assert(i < getNumPreArgs() && "Prearg access out of range!"); 1923cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return SubExprs[PREARGS_START+i]; 1924cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1925cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne void setPreArg(unsigned i, Stmt *PreArg) { 1926cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne assert(i < getNumPreArgs() && "Prearg access out of range!"); 1927cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs[PREARGS_START+i] = PreArg; 1928cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1929cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 1930cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned getNumPreArgs() const { return CallExprBits.NumPreArgs; } 193142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs, QualType t, 1934f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, SourceLocation rparenloc); 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19361f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty call expression. 1937ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty); 19381f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 19395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 19405549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 194118b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 1942a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1943d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes Decl *getCalleeDecl(); 1944d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes const Decl *getCalleeDecl() const { 1945d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return const_cast<CallExpr*>(this)->getCalleeDecl(); 1946d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes } 1947d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1948a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu /// \brief If the callee is a FunctionDecl, return it. Otherwise return 0. 1949a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu FunctionDecl *getDirectCallee(); 1950bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner const FunctionDecl *getDirectCallee() const { 1951bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return const_cast<CallExpr*>(this)->getDirectCallee(); 1952bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 1953a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 19571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1958aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor /// \brief Retrieve the call arguments. 1959cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne Expr **getArgs() { 1960cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return reinterpret_cast<Expr **>(SubExprs+getNumPreArgs()+PREARGS_START); 1961cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1962d0dcceae2a8ca0e37b5dd471a704de8583d49c95Richard Smith const Expr *const *getArgs() const { 1963d0dcceae2a8ca0e37b5dd471a704de8583d49c95Richard Smith return const_cast<CallExpr*>(this)->getArgs(); 1964d0dcceae2a8ca0e37b5dd471a704de8583d49c95Richard Smith } 1965aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 19685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 1969cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return cast<Expr>(SubExprs[Arg+getNumPreArgs()+PREARGS_START]); 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 19725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 1973cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return cast<Expr>(SubExprs[Arg+getNumPreArgs()+PREARGS_START]); 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1976934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1977934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1978934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1979cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs[Arg+getNumPreArgs()+PREARGS_START] = ArgExpr; 1980934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 19811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1982d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 1983d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 1984d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 19858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void setNumArgs(ASTContext& C, unsigned NumArgs); 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 19885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 19891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1990cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne arg_iterator arg_begin() { return SubExprs+PREARGS_START+getNumPreArgs(); } 1991cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne arg_iterator arg_end() { 1992cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return SubExprs+PREARGS_START+getNumPreArgs()+getNumArgs(); 1993cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1994cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne const_arg_iterator arg_begin() const { 1995cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return SubExprs+PREARGS_START+getNumPreArgs(); 1996cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 1997cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne const_arg_iterator arg_end() const { 1998cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne return SubExprs+PREARGS_START+getNumPreArgs()+getNumArgs(); 1999cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne } 20001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 20045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2005cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 2006cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 20074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned isBuiltinCall(const ASTContext &Context) const; 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getCallReturnType - Get the return type of the call expr. This is not 20101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// always the type of the expr itself, if the return type is a reference 20116dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson /// type. 20126dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType getCallReturnType() const; 20131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2014d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 20151f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2016866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 20172882eca5a184c78f793188083f6ce539740a5cf2John McCall SourceRange getSourceRange() const; 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20204bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstCallExprConstant && 20214bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastCallExprConstant; 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 202488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 202577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 202663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 202763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], 202863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall &SubExprs[0]+NumArgs+getNumPreArgs()+PREARGS_START); 202963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 20305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2032ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. X->F and X.F. 20335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 20356bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// Extra data stored in some member expressions. 20366857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth struct MemberNameQualifier { 20376857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// \brief The nested-name-specifier that qualifies the name, including 20386857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// source-location information. 20396857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth NestedNameSpecifierLoc QualifierLoc; 20406857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth 20416857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// \brief The DeclAccessPair through which the MemberDecl was found due to 20426857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth /// name qualifiers. 2043161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair FoundDecl; 20446bb8017bb9e828d118e15e59d71c66bba323c364John McCall }; 20456bb8017bb9e828d118e15e59d71c66bba323c364John McCall 2046ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// Base - the expression for the base pointer or structure references. In 2047ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// X.F, this is "X". 20485549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 20491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2050ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberDecl - This is the decl being referenced by the field/member name. 2051ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// In X.F, this is the decl referenced by F. 2052f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *MemberDecl; 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2054ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberLoc - This is the location of the member name. 20555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 20561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// MemberDNLoc - Provides source/type location info for the 20582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// declaration name embedded in MemberDecl. 20592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc MemberDNLoc; 20602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 2061ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// IsArrow - True if this is "X->F", false if this is "X.F". 206283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool IsArrow : 1; 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 206483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief True if this member expression used a nested-name-specifier to 20656bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// refer to the member, e.g., "x->Base::f", or found its member via a using 20666bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// declaration. When true, a MemberNameQualifier 2067c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure is allocated immediately after the MemberExpr. 20686bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool HasQualifierOrFoundDecl : 1; 20691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2070c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief True if this member expression specified a template argument list 2071c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// explicitly, e.g., x->f<int>. When true, an ExplicitTemplateArgumentList 2072c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure (and its TemplateArguments) are allocated immediately after 2073c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the MemberExpr or, if the member expression also has a qualifier, after 20746bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// the MemberNameQualifier structure. 2075c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor bool HasExplicitTemplateArgumentList : 1; 20761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20777cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief True if this member expression refers to a method that 20787cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// was resolved from an overloaded set having size greater than 1. 20797cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 20807cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 208183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 20826bb8017bb9e828d118e15e59d71c66bba323c364John McCall MemberNameQualifier *getMemberQualifier() { 20836bb8017bb9e828d118e15e59d71c66bba323c364John McCall assert(HasQualifierOrFoundDecl); 20846bb8017bb9e828d118e15e59d71c66bba323c364John McCall return reinterpret_cast<MemberNameQualifier *> (this + 1); 208583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 208683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 208783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 20886bb8017bb9e828d118e15e59d71c66bba323c364John McCall const MemberNameQualifier *getMemberQualifier() const { 2089c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getMemberQualifier(); 2090c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 20911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2093f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 2094f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall const DeclarationNameInfo &NameInfo, QualType ty, 2095f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK) 2096f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(MemberExprClass, ty, VK, OK, 2097561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor base->isTypeDependent(), 2098561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor base->isValueDependent(), 2099561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor base->isInstantiationDependent(), 2100bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor base->containsUnexpandedParameterPack()), 21012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Base(base), MemberDecl(memberdecl), MemberLoc(NameInfo.getLoc()), 21022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberDNLoc(NameInfo.getInfo()), IsArrow(isarrow), 21037cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false), 21047cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara HadMultipleCandidates(false) { 21052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(memberdecl->getDeclName() == NameInfo.getName()); 21062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 21072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 21082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // NOTE: this constructor should be used only when it is known that 21092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // the member name can not provide additional syntactic info 21102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // (i.e., source locations for C++ operator names or type source info 21112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // for constructors, destructors and conversion oeprators). 21122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 2113f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation l, QualType ty, 2114f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK) 2115f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(MemberExprClass, ty, VK, OK, 2116bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor base->isTypeDependent(), base->isValueDependent(), 2117561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor base->isInstantiationDependent(), 2118bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor base->containsUnexpandedParameterPack()), 21192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Base(base), MemberDecl(memberdecl), MemberLoc(l), MemberDNLoc(), 21202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara IsArrow(isarrow), 21217cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false), 21227cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara HadMultipleCandidates(false) {} 2123510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 21241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static MemberExpr *Create(ASTContext &C, Expr *base, bool isarrow, 212540d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2126161755a09898c95d21bfff33707da9ca41cd53c5John McCall ValueDecl *memberdecl, DeclAccessPair founddecl, 21272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2128d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 2129f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType ty, ExprValueKind VK, ExprObjectKind OK); 21301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 213188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor void setBase(Expr *E) { Base = E; } 21325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 213357e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor 213457e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// \brief Retrieve the member declaration to which this expression refers. 213557e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// 213657e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// The returned declaration will either be a FieldDecl or (in C++) 213757e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// a CXXMethodDecl. 2138f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *getMemberDecl() const { return MemberDecl; } 2139f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman void setMemberDecl(ValueDecl *D) { MemberDecl = D; } 21401f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 21416bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// \brief Retrieves the declaration found by lookup. 2142161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair getFoundDecl() const { 21436bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 2144161755a09898c95d21bfff33707da9ca41cd53c5John McCall return DeclAccessPair::make(getMemberDecl(), 2145161755a09898c95d21bfff33707da9ca41cd53c5John McCall getMemberDecl()->getAccess()); 21466bb8017bb9e828d118e15e59d71c66bba323c364John McCall return getMemberQualifier()->FoundDecl; 21476bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 21486bb8017bb9e828d118e15e59d71c66bba323c364John McCall 21491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 21500979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 21510979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// x->Base::foo. 21526bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool hasQualifier() const { return getQualifier() != 0; } 21531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 215583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 215683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// NULL. 21571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *getQualifier() const { 21586bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 215983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216140d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor return getMemberQualifier()->QualifierLoc.getNestedNameSpecifier(); 216240d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor } 216340d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor 216440d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor /// \brief If the member name was qualified, retrieves the 216540d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor /// nested-name-specifier that precedes the member name, with source-location 216640d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor /// information. 216740d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { 216840d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor if (!hasQualifier()) 216940d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor return NestedNameSpecifierLoc(); 217040d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor 217140d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor return getMemberQualifier()->QualifierLoc; 217283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 2173c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor 2174c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 2175c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 2176096832c5ed5b9106fa177ebc148489760c3bc496John McCall bool hasExplicitTemplateArgs() const { 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return HasExplicitTemplateArgumentList; 2178c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2180d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 2181d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 2182d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2183096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (hasExplicitTemplateArgs()) 2184096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 2185096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2186096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2187096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that 2188096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// follow the member template name. This must only be called on an 2189096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// expression with explicit template arguments. 2190b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2191096832c5ed5b9106fa177ebc148489760c3bc496John McCall assert(HasExplicitTemplateArgumentList); 2192096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!HasQualifierOrFoundDecl) 2193b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 2194096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2195b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>( 2196096832c5ed5b9106fa177ebc148489760c3bc496John McCall getMemberQualifier() + 1); 2197096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2198096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2199096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that 2200096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// followed the member template name. This must only be called on 2201096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// an expression with explicit template arguments. 2202b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2203096832c5ed5b9106fa177ebc148489760c3bc496John McCall return const_cast<MemberExpr *>(this)->getExplicitTemplateArgs(); 2204096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2205096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2206096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2207096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2208096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2209b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 2210096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2211096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2212d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2213c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 22141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 2215c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member name ('<'), if any. 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 2217c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 2218c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2220096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 2221c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 22221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2223c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 2224c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 2225833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 2226c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 22281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2229096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2230c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 22311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2232c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 2233c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 22341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 2235c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 22361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2238096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2239c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 22401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 2242c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template arguments ('>'). 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 2244c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 2245c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 22461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2247096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 2248c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the member declaration name info. 22512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo getMemberNameInfo() const { 22522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(MemberDecl->getDeclName(), 22532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberLoc, MemberDNLoc); 22542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 22552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 22565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 22571f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setArrow(bool A) { IsArrow = A; } 22581f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 2259ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// getMemberLoc - Return the location of the "member", in X->F, it is the 2260ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// location of 'F'. 2261026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getMemberLoc() const { return MemberLoc; } 22621f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setMemberLoc(SourceLocation L) { MemberLoc = L; } 22635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 226475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor SourceRange getSourceRange() const; 226575e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 226663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLoc() const { return MemberLoc; } 22675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 226875e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor /// \brief Determine whether the base of this explicit is implicit. 226975e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor bool isImplicitAccess() const { 227075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor return getBase() && getBase()->isImplicitCXXThis(); 227175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 22727cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 22737cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Returns true if this member expression refers to a method that 22747cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// was resolved from an overloaded set having size greater than 1. 22757cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { 22767cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara return HadMultipleCandidates; 22777cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara } 22787cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Sets the flag telling whether this expression refers to 22797cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// a method that was resolved from an overloaded set having size 22807cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// greater than 1. 22817cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V = true) { 22827cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara HadMultipleCandidates = V; 22837cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara } 22847cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 228683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return T->getStmtClass() == MemberExprClass; 22875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 22891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22901237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 229163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base+1); } 22924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 22934045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTReader; 22944045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 22955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CompoundLiteralExpr - [C99 6.5.2.5] 2298aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 2299aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 23000fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 23010fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 23020fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 23030fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 23041d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall 23051d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// The type as written. This can be an incomplete array type, in 23061d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// which case the actual expression type will be different. 230742f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *TInfo; 23085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 2309e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 2310aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 231142f56b50062cd3b3c6b23fdb9053578ae9145664John McCall CompoundLiteralExpr(SourceLocation lparenloc, TypeSourceInfo *tinfo, 2312f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType T, ExprValueKind VK, Expr *init, bool fileScope) 2313f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CompoundLiteralExprClass, T, VK, OK_Ordinary, 2314bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor tinfo->getType()->isDependentType(), 2315bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor init->isValueDependent(), 2316561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (init->isInstantiationDependent() || 2317561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor tinfo->getType()->isInstantiationDependentType()), 2318bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor init->containsUnexpandedParameterPack()), 231942f56b50062cd3b3c6b23fdb9053578ae9145664John McCall LParenLoc(lparenloc), TInfo(tinfo), Init(init), FileScope(fileScope) {} 23201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2321ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor /// \brief Construct an empty compound literal. 2322ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor explicit CompoundLiteralExpr(EmptyShell Empty) 2323ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor : Expr(CompoundLiteralExprClass, Empty) { } 2324ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 23255549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 23265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 2327ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setInitializer(Expr *E) { Init = E; } 2328e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 2329e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 2330ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setFileScope(bool FS) { FileScope = FS; } 2331ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 23320fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 2333ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2334ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 233542f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *getTypeSourceInfo() const { return TInfo; } 233642f56b50062cd3b3c6b23fdb9053578ae9145664John McCall void setTypeSourceInfo(TypeSourceInfo* tinfo) { TInfo = tinfo; } 233742f56b50062cd3b3c6b23fdb9053578ae9145664John McCall 233863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 23390fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 23400fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 23410fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 23420fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 234373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 23440fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 234573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 2346aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 23471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 23481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundLiteralExprClass; 2349aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 2350aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23521237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 235363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Init, &Init+1); } 2354aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 2355aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 235649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 235749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 235849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 235949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 23600835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 2361cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonpublic: 23625baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef clang::CastKind CastKind; 23631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2364cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonprivate: 23650835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 2366409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson 23671d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall void CheckCastConsistency() const; 2368409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson 2369f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXBaseSpecifier * const *path_buffer() const { 2370f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return const_cast<CastExpr*>(this)->path_buffer(); 2371f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall } 2372f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXBaseSpecifier **path_buffer(); 2373f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2374654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis void setBasePathSize(unsigned basePathSize) { 2375654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis CastExprBits.BasePathSize = basePathSize; 2376654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CastExprBits.BasePathSize == basePathSize && 2377654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "basePathSize doesn't fit in bits of CastExprBits.BasePathSize!"); 2378654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis } 2379654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis 23800835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 2381f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 2382f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall const CastKind kind, Expr *op, unsigned BasePathSize) : 2383f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(SC, ty, VK, OK_Ordinary, 2384898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are type-dependent if the type is 2385898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent (C++ [temp.dep.expr]p3). 2386898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ty->isDependentType(), 2387898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are value-dependent if the type is 2388898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent or if the subexpression is value-dependent. 2389bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ty->isDependentType() || (op && op->isValueDependent()), 2390561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (ty->isInstantiationDependentType() || 2391561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (op && op->isInstantiationDependent())), 2392bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (ty->containsUnexpandedParameterPack() || 2393bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor op->containsUnexpandedParameterPack())), 23948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Op(op) { 2395daa8e4e888758d55a7a759dd4a91b83921cef222John McCall assert(kind != CK_Invalid && "creating cast with invalid cast kind"); 23968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBits.Kind = kind; 2397654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis setBasePathSize(BasePathSize); 23981d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall#ifndef NDEBUG 2399daa8e4e888758d55a7a759dd4a91b83921cef222John McCall CheckCastConsistency(); 24001d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall#endif 2401f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall } 24021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2403087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty cast. 2404f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr(StmtClass SC, EmptyShell Empty, unsigned BasePathSize) 24058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Expr(SC, Empty) { 2406654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis setBasePathSize(BasePathSize); 24078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24090835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 24108e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastKind getCastKind() const { return (CastKind) CastExprBits.Kind; } 24118e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setCastKind(CastKind K) { CastExprBits.Kind = K; } 2412f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson const char *getCastKindName() const; 2413f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 24140835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 24150835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 2416087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor void setSubExpr(Expr *E) { Op = E; } 2417087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 24186eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Retrieve the cast subexpression as it was written in the source 24196eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// code, looking through any implicit casts or other intermediate nodes 24206eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// introduced by semantic analysis. 24216eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *getSubExprAsWritten(); 24226eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *getSubExprAsWritten() const { 24236eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return const_cast<CastExpr *>(this)->getSubExprAsWritten(); 24246eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 242541b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson 2426f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall typedef CXXBaseSpecifier **path_iterator; 2427f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall typedef const CXXBaseSpecifier * const *path_const_iterator; 24288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool path_empty() const { return CastExprBits.BasePathSize == 0; } 24298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned path_size() const { return CastExprBits.BasePathSize; } 2430f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_iterator path_begin() { return path_buffer(); } 2431f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_iterator path_end() { return path_buffer() + path_size(); } 2432f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_const_iterator path_begin() const { return path_buffer(); } 2433f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_const_iterator path_end() const { return path_buffer() + path_size(); } 2434f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2435f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void setCastPath(const CXXCastPath &Path); 243641b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson 24371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 24384bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstCastExprConstant && 24394bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastCastExprConstant; 24400835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 24410835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 24421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24430835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 244463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Op, &Op+1); } 24450835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 24460835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 244749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 244849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 244949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 245049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 245149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 2452bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 2453bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 2454906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// an lvalue or xvalue. For example: 2455bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 2456bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 2457bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 2458bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 2459906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Derived &&ref(); 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// void f(Derived d) { 2461906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Base& b = d; // initializer is an ImplicitCastExpr 2462906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// // to an lvalue of type Base 2463906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Base&& r = ref(); // initializer is an ImplicitCastExpr 2464906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// // to an xvalue of type Base 2465bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 2466bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 24670835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 2468906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redlprivate: 2469f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr(QualType ty, CastKind kind, Expr *op, 24705baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall unsigned BasePathLength, ExprValueKind VK) 2471f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CastExpr(ImplicitCastExprClass, ty, VK, kind, op, BasePathLength) { 24725baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall } 247390045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 2474087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty implicit cast. 2475f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit ImplicitCastExpr(EmptyShell Shell, unsigned PathSize) 2476f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CastExpr(ImplicitCastExprClass, Shell, PathSize) { } 2477f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2478f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 2479f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall enum OnStack_t { OnStack }; 2480f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr(OnStack_t _, QualType ty, CastKind kind, Expr *op, 24815baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind VK) 2482f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CastExpr(ImplicitCastExprClass, ty, VK, kind, op, 0) { 24835baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall } 2484f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2485f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static ImplicitCastExpr *Create(ASTContext &Context, QualType T, 2486f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Operand, 2487f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *BasePath, 24885baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind Cat); 2489f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2490f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static ImplicitCastExpr *CreateEmpty(ASTContext &Context, unsigned PathSize); 2491087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 249263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 24930835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 24940835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 249590045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 24961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 24971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImplicitCastExprClass; 249849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 249949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 250049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 250149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 250291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallinline Expr *Expr::IgnoreImpCasts() { 250391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *e = this; 250491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall while (ImplicitCastExpr *ice = dyn_cast<ImplicitCastExpr>(e)) 250591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall e = ice->getSubExpr(); 250691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return e; 250791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall} 250891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 250949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// code. 251149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 251249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 251349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 251449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 251549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 251649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 25175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 251849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 251949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 252049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 252149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 252249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 2523906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// expression will be an lvalue or xvalue. The reference type, however, 2524906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// will not be used as the type of the expression. 25250835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 25269d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// TInfo - Source type info for the (written) type 25279d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// this expression is casting to. 25289d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo; 252949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 253049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 2531f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExplicitCastExpr(StmtClass SC, QualType exprTy, ExprValueKind VK, 2532f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 2533f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy) 2534f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CastExpr(SC, exprTy, VK, kind, op, PathSize), TInfo(writtenTy) {} 253549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 2536db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty explicit cast. 2537f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ExplicitCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 2538f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CastExpr(SC, Shell, PathSize) { } 2539db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 254049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 25419d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// getTypeInfoAsWritten - Returns the type source info for the type 25429d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// that this expression is casting to. 25439d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *getTypeInfoAsWritten() const { return TInfo; } 25449d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall void setTypeInfoAsWritten(TypeSourceInfo *writtenTy) { TInfo = writtenTy; } 25459d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 254649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 254749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 25489d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall QualType getTypeAsWritten() const { return TInfo->getType(); } 254949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 25501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25514bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstExplicitCastExprConstant && 25524bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastExplicitCastExprConstant; 255349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 255449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 255549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 255649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 25576eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 255849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 255949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 25606eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 2561b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 2562b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 2563f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2564f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CStyleCastExpr(QualType exprTy, ExprValueKind vk, CastKind kind, Expr *op, 2565f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize, TypeSourceInfo *writtenTy, 256641b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson SourceLocation l, SourceLocation r) 2567f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CStyleCastExprClass, exprTy, vk, kind, op, PathSize, 256841b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson writtenTy), LPLoc(l), RPLoc(r) {} 256949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 2570db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty C-style explicit cast. 2571f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CStyleCastExpr(EmptyShell Shell, unsigned PathSize) 2572f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CStyleCastExprClass, Shell, PathSize) { } 2573f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2574f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 2575f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CStyleCastExpr *Create(ASTContext &Context, QualType T, 2576f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, 2577f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *Op, const CXXCastPath *BasePath, 2578f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *WrittenTy, SourceLocation L, 2579f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation R); 2580f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2581f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CStyleCastExpr *CreateEmpty(ASTContext &Context, unsigned PathSize); 2582db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 2583b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 2584db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLParenLoc(SourceLocation L) { LPLoc = L; } 2585db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 2586b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 2587db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRParenLoc(SourceLocation L) { RPLoc = L; } 2588db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 258963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 2590b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 25915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CStyleCastExprClass; 25945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25956eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 25965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25983fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A builtin binary operation expression such as "x + y" or "x <= y". 25993fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 26003fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// This expression node kind describes a builtin binary operation, 26013fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// such as "x + y" for integer values "x" and "y". The operands will 26023fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// already have been converted to appropriate types (e.g., by 26033fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// performing promotions or conversions). 26043fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 26053fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In C++, where operators may be overloaded, a different kind of 26063fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// expression node (CXXOperatorCallExpr) is used to express the 26073fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// invocation of an overloaded operator with operator syntax. Within 26083fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// a C++ template, whether BinaryOperator or CXXOperatorCallExpr is 26093fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to store an expression "x + y" depends on the subexpressions 26103fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// for x and y. If neither x or y is type-dependent, and the "+" 26113fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// operator resolves to a built-in operation, BinaryOperator will be 26123fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to express the computation (x and y may still be 26133fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// value-dependent). If either x or y is type-dependent, or if the 26143fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// "+" resolves to an overloaded operator, CXXOperatorCallExpr will 26153fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// be used to express the computation. 26165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 26175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26185baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef BinaryOperatorKind Opcode; 26195baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall 262017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 26210799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall unsigned Opc : 6; 26220799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall SourceLocation OpLoc; 26230799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall 262417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 26255549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 26261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 2629f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK, 263017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 2631f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(BinaryOperatorClass, ResTy, VK, OK, 2632898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor lhs->isTypeDependent() || rhs->isTypeDependent(), 2633bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor lhs->isValueDependent() || rhs->isValueDependent(), 2634561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhs->isInstantiationDependent() || 2635561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 2636bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhs->containsUnexpandedParameterPack() || 2637bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhs->containsUnexpandedParameterPack())), 2638898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Opc(opc), OpLoc(opLoc) { 26391237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 26401237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 26411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!isCompoundAssignmentOp() && 26425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 26435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2645db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty binary operator. 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit BinaryOperator(EmptyShell Empty) 26472de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(BinaryOperatorClass, Empty), Opc(BO_Comma) { } 2648db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 264917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 2650db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 2651db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 26520799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opcode getOpcode() const { return static_cast<Opcode>(Opc); } 2653db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 2654db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 26555549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 2656db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 26575549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2658db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 2659db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 266063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 26615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 26625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 26655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 26665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 26675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26680799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall const char *getOpcodeStr() const { return getOpcodeStr(getOpcode()); } 2669a84c02d0f4d63975a1c52b9bb8308d88e9d79352Ted Kremenek 2670063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the binary opcode that corresponds to the given 2671063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// overloaded operator. 2672063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO); 2673063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 2674063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 2675063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// the given binary opcode. 2676063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 2677063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 26785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 2679200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl bool isPtrMemOp() const { return Opc == BO_PtrMemD || Opc == BO_PtrMemI; } 26802de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isMultiplicativeOp() const { return Opc >= BO_Mul && Opc <= BO_Rem; } 26812de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isAdditiveOp(Opcode Opc) { return Opc == BO_Add || Opc==BO_Sub; } 26820799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isAdditiveOp() const { return isAdditiveOp(getOpcode()); } 26832de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isShiftOp(Opcode Opc) { return Opc == BO_Shl || Opc == BO_Shr; } 26840799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isShiftOp() const { return isShiftOp(getOpcode()); } 2685aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 26862de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isBitwiseOp(Opcode Opc) { return Opc >= BO_And && Opc <= BO_Or; } 26870799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isBitwiseOp() const { return isBitwiseOp(getOpcode()); } 2688f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 26892de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isRelationalOp(Opcode Opc) { return Opc >= BO_LT && Opc<=BO_GE; } 26900799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isRelationalOp() const { return isRelationalOp(getOpcode()); } 2691f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 26922de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isEqualityOp(Opcode Opc) { return Opc == BO_EQ || Opc == BO_NE; } 26930799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isEqualityOp() const { return isEqualityOp(getOpcode()); } 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26952de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isComparisonOp(Opcode Opc) { return Opc >= BO_LT && Opc<=BO_NE; } 26960799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isComparisonOp() const { return isComparisonOp(getOpcode()); } 2697aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 26982de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isLogicalOp(Opcode Opc) { return Opc == BO_LAnd || Opc==BO_LOr; } 26990799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isLogicalOp() const { return isLogicalOp(getOpcode()); } 2700f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 27010e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall static bool isAssignmentOp(Opcode Opc) { 27020e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall return Opc >= BO_Assign && Opc <= BO_OrAssign; 27030e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall } 27040e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall bool isAssignmentOp() const { return isAssignmentOp(getOpcode()); } 27050e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall 27060e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall static bool isCompoundAssignmentOp(Opcode Opc) { 27072de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Opc > BO_Assign && Opc <= BO_OrAssign; 27082de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 27090e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall bool isCompoundAssignmentOp() const { 27100e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall return isCompoundAssignmentOp(getOpcode()); 27110e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall } 27120e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall 27130e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall static bool isShiftAssignOp(Opcode Opc) { 27142de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Opc == BO_ShlAssign || Opc == BO_ShrAssign; 27152de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 27160e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall bool isShiftAssignOp() const { 27170e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall return isShiftAssignOp(getOpcode()); 27180e800c9c20d1a658a91096c756c4a4a9e90264fcJohn McCall } 27191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 27214bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return S->getStmtClass() >= firstBinaryOperatorConstant && 27224bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt S->getStmtClass() <= lastBinaryOperatorConstant; 27235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 27251237c673c07f9d827129ba02720108816abde562Ted Kremenek 27261237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 272763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 272863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 272963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 27301237c673c07f9d827129ba02720108816abde562Ted Kremenek 27315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 273217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 2733f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK, 27342333f7727f97018d6742e1e0938133bcfad967abEli Friedman SourceLocation opLoc, bool dead) 2735f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CompoundAssignOperatorClass, ResTy, VK, OK, 27362333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isTypeDependent() || rhs->isTypeDependent(), 2737bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor lhs->isValueDependent() || rhs->isValueDependent(), 2738561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhs->isInstantiationDependent() || 2739561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 2740bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhs->containsUnexpandedParameterPack() || 2741bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhs->containsUnexpandedParameterPack())), 27422333f7727f97018d6742e1e0938133bcfad967abEli Friedman Opc(opc), OpLoc(opLoc) { 27431237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 27441237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 27455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2746ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 27471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator(StmtClass SC, EmptyShell Empty) 27482de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(SC, Empty), Opc(BO_MulAssign) { } 27495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 27525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 2753ec5bc81fd55bfcc26fc4bde6d5e33113d94c2209Zhongxing Xu/// these operators, the operands are promoted, the arithmetic performed, an 27545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 27555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 27565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 27575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 2758ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationLHSType; 2759ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationResultType; 27605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2761f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResType, 2762f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, ExprObjectKind OK, 2763f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType CompLHSType, QualType CompResultType, 276417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 2765f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : BinaryOperator(lhs, rhs, opc, ResType, VK, OK, OpLoc, true), 2766ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationLHSType(CompLHSType), 2767ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationResultType(CompResultType) { 27681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isCompoundAssignmentOp() && 27695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 27705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2772ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty compound assignment operator expression. 2773ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit CompoundAssignOperator(EmptyShell Empty) 2774ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : BinaryOperator(CompoundAssignOperatorClass, Empty) { } 2775ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2776ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // The two computation types are the type the LHS is converted 2777ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // to for the computation and the type of the result; the two are 2778ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // distinct in a few cases (specifically, int+=ptr and ptr-=ptr). 2779ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationLHSType() const { return ComputationLHSType; } 2780ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationLHSType(QualType T) { ComputationLHSType = T; } 2781ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2782ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationResultType() const { return ComputationResultType; } 2783ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationResultType(QualType T) { ComputationResultType = T; } 2784ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 27855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 27871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return S->getStmtClass() == CompoundAssignOperatorClass; 27885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 279156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// AbstractConditionalOperator - An abstract base class for 279256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// ConditionalOperator and BinaryConditionalOperator. 279356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallclass AbstractConditionalOperator : public Expr { 279456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation QuestionLoc, ColonLoc; 279556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall friend class ASTStmtReader; 279656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 279756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallprotected: 279856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall AbstractConditionalOperator(StmtClass SC, QualType T, 279956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall ExprValueKind VK, ExprObjectKind OK, 2800561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool TD, bool VD, bool ID, 280156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall bool ContainsUnexpandedParameterPack, 280256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation qloc, 280356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation cloc) 2804561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(SC, T, VK, OK, TD, VD, ID, ContainsUnexpandedParameterPack), 280556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall QuestionLoc(qloc), ColonLoc(cloc) {} 280656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 280756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall AbstractConditionalOperator(StmtClass SC, EmptyShell Empty) 280856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : Expr(SC, Empty) { } 280956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 281056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallpublic: 281156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // getCond - Return the expression representing the condition for 281256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the ?: operator. 281356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getCond() const; 281456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 281556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // getTrueExpr - Return the subexpression representing the value of 281656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the expression if the condition evaluates to true. 281756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getTrueExpr() const; 281856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 281956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // getFalseExpr - Return the subexpression representing the value of 282056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the expression if the condition evaluates to false. This is 282156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the same as getRHS. 282256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getFalseExpr() const; 282356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 282456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation getQuestionLoc() const { return QuestionLoc; } 282556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation getColonLoc() const { return ColonLoc; } 282656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 282756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const Stmt *T) { 282856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return T->getStmtClass() == ConditionalOperatorClass || 282956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall T->getStmtClass() == BinaryConditionalOperatorClass; 283056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 283156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const AbstractConditionalOperator *) { return true; } 283256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall}; 283356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 283456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// ConditionalOperator - The ?: ternary operator. The GNU "missing 283556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// middle" extension is a BinaryConditionalOperator. 283656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallclass ConditionalOperator : public AbstractConditionalOperator { 28371237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 28385549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 283956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 284056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall friend class ASTStmtReader; 28415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 284247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ConditionalOperator(Expr *cond, SourceLocation QLoc, Expr *lhs, 284356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation CLoc, Expr *rhs, 28440943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall QualType t, ExprValueKind VK, ExprObjectKind OK) 284556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : AbstractConditionalOperator(ConditionalOperatorClass, t, VK, OK, 2846898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // FIXME: the type of the conditional operator doesn't 2847898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // depend on the type of the conditional, but the standard 2848898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // seems to imply that it could. File a bug! 284956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall (lhs->isTypeDependent() || rhs->isTypeDependent()), 285056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall (cond->isValueDependent() || lhs->isValueDependent() || 285156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall rhs->isValueDependent()), 2852561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (cond->isInstantiationDependent() || 2853561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor lhs->isInstantiationDependent() || 2854561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 2855bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (cond->containsUnexpandedParameterPack() || 285656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall lhs->containsUnexpandedParameterPack() || 285756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall rhs->containsUnexpandedParameterPack()), 285856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall QLoc, CLoc) { 28591237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 28601237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 28611237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 28621237c673c07f9d827129ba02720108816abde562Ted Kremenek } 28635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2864ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty conditional operator. 2865ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit ConditionalOperator(EmptyShell Empty) 286656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : AbstractConditionalOperator(ConditionalOperatorClass, Empty) { } 2867ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2868395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 286956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the ?: operator. 28705549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 2871395a2abf0028968d85958610e393e067885dc14fTed Kremenek 287256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // getTrueExpr - Return the subexpression representing the value of 287356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the expression if the condition evaluates to true. 287456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getTrueExpr() const { return cast<Expr>(SubExprs[LHS]); } 28751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 287656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // getFalseExpr - Return the subexpression representing the value of 287756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the expression if the condition evaluates to false. This is 287856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // the same as getRHS. 28795549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 2880f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian 288156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 28825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 288347e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 288463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 28855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 28865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ConditionalOperatorClass; 28895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 28911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28921237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 289363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 289463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 289563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 28965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 289856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// BinaryConditionalOperator - The GNU extension to the conditional 289956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// operator which allows the middle operand to be omitted. 290056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// 290156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// This is a different expression kind on the assumption that almost 290256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall/// every client ends up needing to know that these are different. 290356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallclass BinaryConditionalOperator : public AbstractConditionalOperator { 290456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall enum { COMMON, COND, LHS, RHS, NUM_SUBEXPRS }; 290556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 290656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// - the common condition/left-hand-side expression, which will be 290756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// evaluated as the opaque value 290856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// - the condition, expressed in terms of the opaque value 290956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// - the left-hand-side, expressed in terms of the opaque value 291056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// - the right-hand-side 291156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Stmt *SubExprs[NUM_SUBEXPRS]; 291256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValueExpr *OpaqueValue; 291356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 291456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall friend class ASTStmtReader; 291556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallpublic: 291656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall BinaryConditionalOperator(Expr *common, OpaqueValueExpr *opaqueValue, 291756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *cond, Expr *lhs, Expr *rhs, 291856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation qloc, SourceLocation cloc, 291956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall QualType t, ExprValueKind VK, ExprObjectKind OK) 292056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : AbstractConditionalOperator(BinaryConditionalOperatorClass, t, VK, OK, 292156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall (common->isTypeDependent() || rhs->isTypeDependent()), 292256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall (common->isValueDependent() || rhs->isValueDependent()), 2923561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (common->isInstantiationDependent() || 2924561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 292556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall (common->containsUnexpandedParameterPack() || 292656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall rhs->containsUnexpandedParameterPack()), 292756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall qloc, cloc), 292856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValue(opaqueValue) { 292956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SubExprs[COMMON] = common; 293056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SubExprs[COND] = cond; 293156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SubExprs[LHS] = lhs; 293256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SubExprs[RHS] = rhs; 293356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 293456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValue->setSourceExpr(common); 293556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 293656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 293756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief Build an empty conditional operator. 293856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall explicit BinaryConditionalOperator(EmptyShell Empty) 293956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall : AbstractConditionalOperator(BinaryConditionalOperatorClass, Empty) { } 294056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 294156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief getCommon - Return the common expression, written to the 294256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// left of the condition. The opaque value will be bound to the 294356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// result of this expression. 294456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getCommon() const { return cast<Expr>(SubExprs[COMMON]); } 294556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 294656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief getOpaqueValue - Return the opaque value placeholder. 294756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall OpaqueValueExpr *getOpaqueValue() const { return OpaqueValue; } 294856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 294956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief getCond - Return the condition expression; this is defined 295056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// in terms of the opaque value. 295156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 295256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 295356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief getTrueExpr - Return the subexpression which will be 295456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// evaluated if the condition evaluates to true; this is defined 295556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// in terms of the opaque value. 295656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getTrueExpr() const { 295756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return cast<Expr>(SubExprs[LHS]); 295856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 295956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 296056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// \brief getFalseExpr - Return the subexpression which will be 296156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// evaluated if the condnition evaluates to false; this is 296256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall /// defined in terms of the opaque value. 296356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Expr *getFalseExpr() const { 296456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return cast<Expr>(SubExprs[RHS]); 296556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 296656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 296756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceRange getSourceRange() const { 296856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return SourceRange(getCommon()->getLocStart(), getFalseExpr()->getLocEnd()); 296956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 297056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const Stmt *T) { 297156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return T->getStmtClass() == BinaryConditionalOperatorClass; 297256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 297356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall static bool classof(const BinaryConditionalOperator *) { return true; } 297456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 297556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // Iterators 297656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall child_range children() { 297756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return child_range(SubExprs, SubExprs + NUM_SUBEXPRS); 297856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 297956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall}; 298056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 298156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallinline Expr *AbstractConditionalOperator::getCond() const { 298256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (const ConditionalOperator *co = dyn_cast<ConditionalOperator>(this)) 298356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return co->getCond(); 298456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return cast<BinaryConditionalOperator>(this)->getCond(); 298556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall} 298656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 298756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallinline Expr *AbstractConditionalOperator::getTrueExpr() const { 298856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (const ConditionalOperator *co = dyn_cast<ConditionalOperator>(this)) 298956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return co->getTrueExpr(); 299056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return cast<BinaryConditionalOperator>(this)->getTrueExpr(); 299156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall} 299256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 299356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCallinline Expr *AbstractConditionalOperator::getFalseExpr() const { 299456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (const ConditionalOperator *co = dyn_cast<ConditionalOperator>(this)) 299556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return co->getFalseExpr(); 299656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return cast<BinaryConditionalOperator>(this)->getFalseExpr(); 299756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall} 299856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 29996481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 30006481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 30015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 3002ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 30035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3004ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelDecl *L, 30056481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 3006561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(AddrLabelExprClass, t, VK_RValue, OK_Ordinary, false, false, false, 3007561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false), 30082333f7727f97018d6742e1e0938133bcfad967abEli Friedman AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 30091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30107d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty address of a label expression. 30111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit AddrLabelExpr(EmptyShell Empty) 30127d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Expr(AddrLabelExprClass, Empty) { } 30137d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 30147d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getAmpAmpLoc() const { return AmpAmpLoc; } 30157d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setAmpAmpLoc(SourceLocation L) { AmpAmpLoc = L; } 30167d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 30177d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 30187d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 301963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 30205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 30215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 30221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3023ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 3024ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *L) { Label = L; } 30257d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 30265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 30271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == AddrLabelExprClass; 30285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 30296481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 30301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30311237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 303263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 30335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3034ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 3035ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 3036ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 3037ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 3038f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall/// 3039f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall/// A StmtExpr is always an r-value; values "returned" out of a 3040f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall/// StmtExpr will be copied. 3041ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 30425549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 3043ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 3044ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 30452333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Does type-dependence need to be computed differently? 3046561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // FIXME: Do we need to compute instantiation instantiation-dependence for 3047561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // statements? (ugh!) 3048d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 3049d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 3050f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(StmtExprClass, T, VK_RValue, OK_Ordinary, 3051561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isDependentType(), false, false, false), 30522333f7727f97018d6742e1e0938133bcfad967abEli Friedman SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 30531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30546a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor /// \brief Build an empty statement expression. 30556a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor explicit StmtExpr(EmptyShell Empty) : Expr(StmtExprClass, Empty) { } 30566a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 30575549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 30585549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 30596a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setSubStmt(CompoundStmt *S) { SubStmt = S; } 30606a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 306163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 3062ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 3063ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 30641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3065026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 30666a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 3067026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 30686a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3070ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 30711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StmtExprClass; 3072ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 3073ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30751237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 307663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 3077ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 3078ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 3079d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 3080d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 3081d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 3082d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 3083d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 3084d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 3085d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 3086d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 3087d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 3088d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 3089d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 3090d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 3091d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 3092d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 30935549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 3094d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 3095d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 3096d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 3097a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman ShuffleVectorExpr(ASTContext &C, Expr **args, unsigned nexpr, 30981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Type, SourceLocation BLoc, 3099bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation RP); 310094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 310194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor /// \brief Build an empty vector-shuffle expression. 31021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ShuffleVectorExpr(EmptyShell Empty) 310394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(ShuffleVectorExprClass, Empty), SubExprs(0) { } 310494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 310594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 310694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 310994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 311094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 311163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 3112d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 3113d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 3114d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 31151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ShuffleVectorExprClass; 3116d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 3117d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 31181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3119d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 3120d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 3121d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 3122d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 31231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3124aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor /// \brief Retrieve the array of expressions. 3125aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getSubExprs() { return reinterpret_cast<Expr **>(SubExprs); } 3126aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 3127d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 3128d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 3129d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 31305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 3131d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 3132d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 3133d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 31345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 3135d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 31361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3137888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman void setExprs(ASTContext &C, Expr ** Exprs, unsigned NumExprs); 313894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 3139dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 3140dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 3141a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith return getExpr(N+2)->EvaluateKnownConstInt(Ctx).getZExtValue(); 3142d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 31431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3144d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 314563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 314663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+NumExprs); 314763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3148d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 3149d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 3150d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 31511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This AST node is similar to the conditional operator (?:) in C, with 3152d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 31537976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the test expression must be a integer constant expression. 31547976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the expression returned acts like the chosen subexpression in every 31557976932a1c256d447316ffac58e9821417725e34Eli Friedman/// visible way: the type is the same as that of the chosen subexpression, 31567976932a1c256d447316ffac58e9821417725e34Eli Friedman/// and all predicates (whether it's an l-value, whether it's an integer 31577976932a1c256d447316ffac58e9821417725e34Eli Friedman/// constant expression, etc.) return the same result as for the chosen 31587976932a1c256d447316ffac58e9821417725e34Eli Friedman/// sub-expression. 3159d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 31601237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 31615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 3162d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 3163d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 3164f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, 3165f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, ExprObjectKind OK, 3166ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor SourceLocation RP, bool TypeDependent, bool ValueDependent) 3167bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(ChooseExprClass, t, VK, OK, TypeDependent, ValueDependent, 3168561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (cond->isInstantiationDependent() || 3169561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor lhs->isInstantiationDependent() || 3170561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhs->isInstantiationDependent()), 3171bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (cond->containsUnexpandedParameterPack() || 3172bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor lhs->containsUnexpandedParameterPack() || 3173bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhs->containsUnexpandedParameterPack())), 31741237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 31751237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 31761237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 31771237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 31781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 31797976932a1c256d447316ffac58e9821417725e34Eli Friedman 318044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_choose_expr. 318144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit ChooseExpr(EmptyShell Empty) : Expr(ChooseExprClass, Empty) { } 318244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 31837976932a1c256d447316ffac58e9821417725e34Eli Friedman /// isConditionTrue - Return whether the condition is true (i.e. not 31847976932a1c256d447316ffac58e9821417725e34Eli Friedman /// equal to zero). 31854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool isConditionTrue(const ASTContext &C) const; 31867976932a1c256d447316ffac58e9821417725e34Eli Friedman 31877976932a1c256d447316ffac58e9821417725e34Eli Friedman /// getChosenSubExpr - Return the subexpression chosen according to the 31887976932a1c256d447316ffac58e9821417725e34Eli Friedman /// condition. 31894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *getChosenSubExpr(const ASTContext &C) const { 31907976932a1c256d447316ffac58e9821417725e34Eli Friedman return isConditionTrue(C) ? getLHS() : getRHS(); 31917976932a1c256d447316ffac58e9821417725e34Eli Friedman } 31927976932a1c256d447316ffac58e9821417725e34Eli Friedman 31935549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 319444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 31955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 319644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 31975549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 319844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 319944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 320044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 320144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 32021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 320344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 320444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 32051237c673c07f9d827129ba02720108816abde562Ted Kremenek 320663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 3207d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 3208d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 3209d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 32101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ChooseExprClass; 3211d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 3212d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 32131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32141237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 321563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 321663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 321763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3218d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 3219d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 32202d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// GNUNullExpr - Implements the GNU __null extension, which is a name 32212d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// for a null pointer constant that has integral type (e.g., int or 32222d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// long) and is the same size and alignment as a pointer. The __null 32232d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// extension is typically only used by system headers, which define 32242d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// NULL as __null in C++ rather than using 0 (which is an integer 32252d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// that may not match the size of a pointer). 32262d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorclass GNUNullExpr : public Expr { 32272d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// TokenLoc - The location of the __null keyword. 32282d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation TokenLoc; 32292d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 32302d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorpublic: 32311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GNUNullExpr(QualType Ty, SourceLocation Loc) 3232561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(GNUNullExprClass, Ty, VK_RValue, OK_Ordinary, false, false, false, 3233561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false), 3234f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TokenLoc(Loc) { } 32352d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 323644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty GNU __null expression. 323744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit GNUNullExpr(EmptyShell Empty) : Expr(GNUNullExprClass, Empty) { } 323844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 32392d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// getTokenLocation - The location of the __null token. 32402d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation getTokenLocation() const { return TokenLoc; } 324144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setTokenLocation(SourceLocation L) { TokenLoc = L; } 32422d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 324363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 32442d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor return SourceRange(TokenLoc); 32452d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 32462d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const Stmt *T) { 32471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GNUNullExprClass; 32482d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 32492d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const GNUNullExpr *) { return true; } 32501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32512d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // Iterators 325263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 32532d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor}; 32542d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 325574626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu/// VAArgExpr, used for the builtin function __builtin_va_arg. 32567c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 32575549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 32582cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara TypeSourceInfo *TInfo; 32597c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 32607c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 32612cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara VAArgExpr(SourceLocation BLoc, Expr* e, TypeSourceInfo *TInfo, 32622cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara SourceLocation RPLoc, QualType t) 3263f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(VAArgExprClass, t, VK_RValue, OK_Ordinary, 3264bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor t->isDependentType(), false, 3265561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (TInfo->getType()->isInstantiationDependentType() || 3266561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor e->isInstantiationDependent()), 3267bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (TInfo->getType()->containsUnexpandedParameterPack() || 3268bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor e->containsUnexpandedParameterPack())), 32692cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara Val(e), TInfo(TInfo), 32707c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 32717c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 32721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 327374626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu /// \brief Create an empty __builtin_va_arg expression. 3274d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit VAArgExpr(EmptyShell Empty) : Expr(VAArgExprClass, Empty) { } 3275d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 32765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 32775549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 3278d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 3279d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 32802cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara TypeSourceInfo *getWrittenTypeInfo() const { return TInfo; } 32812cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara void setWrittenTypeInfo(TypeSourceInfo *TI) { TInfo = TI; } 32822cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara 3283d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 3284d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 32851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3286d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3287d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 3288d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 328963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 32907c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 32911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 32927c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 32937c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 32947c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 32957c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 32961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32977c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 329863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Val, &Val+1); } 32997c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 33001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33014c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @brief Describes an C or C++ initializer list. 33024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 33034c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// InitListExpr describes an initializer list, which can be used to 33044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initialize objects of different types, including 33054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct/class/union types, arrays, and vectors. For example: 33064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 33074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @code 33084c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct foo x = { 1, { 2, 3 } }; 33094c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @endcode 3310196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 33114c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Prior to semantic analysis, an initializer list will represent the 33124c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer list as written by the user, but will have the 33134c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// placeholder type "void". This initializer list is called the 33144c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// syntactic form of the initializer, and may contain C99 designated 33154c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializers (represented as DesignatedInitExprs), initializations 33164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// of subobject members without explicit braces, and so on. Clients 33174c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// interested in the original syntax of the initializer list should 33184c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// use the syntactic form of the initializer list. 3319196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 33204c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// After semantic analysis, the initializer list will represent the 33214c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// semantic form of the initializer, where the initializations of all 33224c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// subobjects are made explicit with nested InitListExpr nodes and 33234c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// C99 designators have been eliminated by placing the designated 33244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializations into the subobject they initialize. Additionally, 33254c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// any "holes" in the initialization, where no initializer has been 33264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// specified for a particular subobject, will be replaced with 33273498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// implicitly-generated ImplicitValueInitExpr expressions that 33284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// value-initialize the subobjects. Note, however, that the 33294c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer lists may still have fewer initializers than there are 33304c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// elements to initialize within the object. 3331196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 33324c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Given the semantic form of the initializer list, one can retrieve 33334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// the original syntactic form of that initializer list (if it 33344c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// exists) using getSyntacticForm(). Since many initializer lists 33354c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// have the same syntactic and semantic forms, getSyntacticForm() may 33364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// return NULL, indicating that the current initializer list also 33374c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// serves as its syntactic form. 333866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 3339ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek // FIXME: Eliminate this vector in favor of ASTContext allocation 3340709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef ASTVector<Stmt *> InitExprsTy; 3341709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitExprsTy InitExprs; 334266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 33431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33444c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// Contains the initializer list that describes the syntactic form 33454c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// written in the source code. 33464c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *SyntacticForm; 33474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 33484423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// \brief Either: 33494423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// If this initializer list initializes an array with more elements than 33504423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// there are initializers in the list, specifies an expression to be used 33514423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// for value initialization of the rest of the elements. 33524423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// Or 33534423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// If this initializer list initializes a union, specifies which 33544423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// field within the union will be initialized. 33554423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis llvm::PointerUnion<Expr *, FieldDecl *> ArrayFillerOrUnionFieldInit; 33560bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 3357a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// Whether this initializer list originally had a GNU array-range 3358a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// designator in it. This is a temporary marker used by CodeGen. 3359a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool HadArrayRangeDesignator; 3360a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 336166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 3362709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitListExpr(ASTContext &C, SourceLocation lbraceloc, 3363709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr **initexprs, unsigned numinits, 3364ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek SourceLocation rbraceloc); 3365d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3366d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Build an empty initializer list. 3367709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek explicit InitListExpr(ASTContext &C, EmptyShell Empty) 3368709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek : Expr(InitListExprClass, Empty), InitExprs(C) { } 33691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3370ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek unsigned getNumInits() const { return InitExprs.size(); } 33711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3372aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor /// \brief Retrieve the set of initializers. 3373aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getInits() { return reinterpret_cast<Expr **>(InitExprs.data()); } 3374aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 337516c5dea6c2d3e4cf529de9d9b37f6a40441acb2cChris Lattner const Expr *getInit(unsigned Init) const { 3376c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 33774c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 337866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 33791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338016c5dea6c2d3e4cf529de9d9b37f6a40441acb2cChris Lattner Expr *getInit(unsigned Init) { 3381c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 33824c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 338366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setInit(unsigned Init, Expr *expr) { 3386c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 33879e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 33889e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 3389c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 3390fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor /// \brief Reserve space for some number of initializers. 3391709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek void reserveInits(ASTContext &C, unsigned NumInits); 33921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33934c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Specify the number of initializers 33944c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 33954c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// If there are more than @p NumInits initializers, the remaining 33964c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializers will be destroyed. If there are fewer than @p 33974c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// NumInits initializers, NULL expressions will be added for the 33984c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// unknown initializers. 33994c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void resizeInits(ASTContext &Context, unsigned NumInits); 34004c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 34014c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Updates the initializer at index @p Init with the new 34024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// expression @p expr, and returns the old expression at that 34034c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// location. 34044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 34054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// When @p Init is out of range for this initializer list, the 34064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializer list will be extended with NULL expressions to 3407fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// accommodate the new entry. 3408709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr *updateInit(ASTContext &C, unsigned Init, Expr *expr); 3409c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 34104423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// \brief If this initializer list initializes an array with more elements 34114423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// than there are initializers in the list, specifies an expression to be 34124423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis /// used for value initialization of the rest of the elements. 34134423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis Expr *getArrayFiller() { 34144423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis return ArrayFillerOrUnionFieldInit.dyn_cast<Expr *>(); 34154423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis } 34168cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne const Expr *getArrayFiller() const { 34178cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne return const_cast<InitListExpr *>(this)->getArrayFiller(); 34188cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne } 34193e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis void setArrayFiller(Expr *filler); 34204423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis 342121f77cd0c3da8a1dbaf6245cae43baf4c0b80ea4Argyrios Kyrtzidis /// \brief Return true if this is an array initializer and its array "filler" 342221f77cd0c3da8a1dbaf6245cae43baf4c0b80ea4Argyrios Kyrtzidis /// has been set. 342321f77cd0c3da8a1dbaf6245cae43baf4c0b80ea4Argyrios Kyrtzidis bool hasArrayFiller() const { return getArrayFiller(); } 342421f77cd0c3da8a1dbaf6245cae43baf4c0b80ea4Argyrios Kyrtzidis 34250bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// \brief If this initializes a union, specifies which field in the 34260bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union to initialize. 34270bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// 34280bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// Typically, this field is the first named field within the 34290bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union. However, a designated initializer can specify the 34300bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// initialization of a different field within the union. 34314423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis FieldDecl *getInitializedFieldInUnion() { 34324423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis return ArrayFillerOrUnionFieldInit.dyn_cast<FieldDecl *>(); 34334423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis } 34348cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne const FieldDecl *getInitializedFieldInUnion() const { 34358cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne return const_cast<InitListExpr *>(this)->getInitializedFieldInUnion(); 34368cad3046be06ea73ff8892d947697a21d7a440d3Peter Collingbourne } 34374423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis void setInitializedFieldInUnion(FieldDecl *FD) { 34384423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis ArrayFillerOrUnionFieldInit = FD; 34394423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis } 34400bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 3441c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 3442c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 3443b3eef68111ffc220e449be96da1747998c057790Douglas Gregor bool isExplicit() { 3444b3eef68111ffc220e449be96da1747998c057790Douglas Gregor return LBraceLoc.isValid() && RBraceLoc.isValid(); 3445b3eef68111ffc220e449be96da1747998c057790Douglas Gregor } 34461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3447d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getLBraceLoc() const { return LBraceLoc; } 3448d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } 3449d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getRBraceLoc() const { return RBraceLoc; } 345087fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor void setRBraceLoc(SourceLocation Loc) { RBraceLoc = Loc; } 345187fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor 34524c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Retrieve the initializer list that describes the 34534c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// syntactic form of the initializer. 34544c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 34551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 34564c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *getSyntacticForm() const { return SyntacticForm; } 34574c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void setSyntacticForm(InitListExpr *Init) { SyntacticForm = Init; } 34584c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 3459a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool hadArrayRangeDesignator() const { return HadArrayRangeDesignator; } 34601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void sawArrayRangeDesignator(bool ARD = true) { 3461d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor HadArrayRangeDesignator = ARD; 3462a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor } 3463a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 346463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 3465c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek 346666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 34671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == InitListExprClass; 346866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 346966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 34701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 347166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 347263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 347363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (InitExprs.empty()) return child_range(); 347463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&InitExprs[0], &InitExprs[0] + InitExprs.size()); 347563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 34761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3477709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::iterator iterator; 34788111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu typedef InitExprsTy::const_iterator const_iterator; 3479709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::reverse_iterator reverse_iterator; 34808111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu typedef InitExprsTy::const_reverse_iterator const_reverse_iterator; 34811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3482ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator begin() { return InitExprs.begin(); } 34838111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_iterator begin() const { return InitExprs.begin(); } 3484ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator end() { return InitExprs.end(); } 34858111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_iterator end() const { return InitExprs.end(); } 3486ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 34878111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_reverse_iterator rbegin() const { return InitExprs.rbegin(); } 3488ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rend() { return InitExprs.rend(); } 34898111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_reverse_iterator rend() const { return InitExprs.rend(); } 34904423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis 34914423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis friend class ASTStmtReader; 34924423ac0282acb8ba801eb05b38712438dc0c1e3eArgyrios Kyrtzidis friend class ASTStmtWriter; 349366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 349466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 349505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @brief Represents a C99 designated initializer expression. 349605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 349705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// A designated initializer expression (C99 6.7.8) contains one or 349805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// more designators (which can be field designators, array 349905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, or GNU array-range designators) followed by an 350005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// expression that initializes the field or element(s) that the 350105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators refer to. For example, given: 35021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 350305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @code 350405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point { 350505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double x; 350605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double y; 350705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// }; 350805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; 350905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @endcode 351005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 351105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// The InitListExpr contains three DesignatedInitExprs, the first of 351205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// which covers @c [2].y=1.0. This DesignatedInitExpr will have two 351305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, one array designator for @c [2] followed by one field 351405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designator for @c .y. The initalization expression will be 1.0. 351505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorclass DesignatedInitExpr : public Expr { 3516ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorpublic: 3517ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Forward declaration of the Designator class. 3518ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor class Designator; 3519ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 3520ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorprivate: 352105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '=' or ':' prior to the actual initializer 352205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expression. 352305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc; 352405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3525eeae8f072748affce25ab4064982626361293390Douglas Gregor /// Whether this designated initializer used the GNU deprecated 352605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// syntax rather than the C99 '=' syntax. 3527eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax : 1; 352805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 352905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of designators in this initializer expression. 353005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators : 15; 353105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3532ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief The designators in this designated initialization 3533ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// expression. 3534ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator *Designators; 3535ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 353605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of subexpressions of this initializer expression, 353705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// which contains both the initializer and any additional 353805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expressions used by array and array-range designators. 353905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumSubExprs : 16; 354005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3541ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 3542319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor DesignatedInitExpr(ASTContext &C, QualType Ty, unsigned NumDesignators, 3543ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 3544eeae8f072748affce25ab4064982626361293390Douglas Gregor SourceLocation EqualOrColonLoc, bool GNUSyntax, 35459ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 35469ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init); 354705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3548d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit DesignatedInitExpr(unsigned NumSubExprs) 3549d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(DesignatedInitExprClass, EmptyShell()), 3550d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators(0), Designators(0), NumSubExprs(NumSubExprs) { } 3551d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 355205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorpublic: 355305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 355405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator { 355505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Refers to the field that is being initialized. The low bit 355605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// of this field determines whether this is actually a pointer 355705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// to an IdentifierInfo (if 1) or a FieldDecl (if 0). When 355805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initially constructed, a field designator will store an 355905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// IdentifierInfo*. After semantic analysis has resolved that 356005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// name, the field designator will instead store a FieldDecl*. 356105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor uintptr_t NameOrField; 35621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 356305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '.' in the designated initializer. 356405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned DotLoc; 35651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 356605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the field name in the designated initializer. 356705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned FieldLoc; 356805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 356905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 357005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 357105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator { 357205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Location of the first index expression within the designated 357305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer expression's list of subexpressions. 357405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned Index; 357505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '[' starting the array range designator. 357605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned LBracketLoc; 357705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ellipsis separating the start and end 357805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// indices. Only valid for GNU array-range designators. 357905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned EllipsisLoc; 358005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ']' terminating the array range designator. 35811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned RBracketLoc; 358205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 358305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 358405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Represents a single C99 designator. 358505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// 358605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @todo This class is infuriatingly similar to clang::Designator, 358705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// but minor differences (storing indices vs. storing pointers) 358805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// keep us from reusing it. Try harder, later, to rectify these 358905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// differences. 359005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor class Designator { 359105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief The kind of designator this describes. 359205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor enum { 359305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDesignator, 359405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayDesignator, 359505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayRangeDesignator 359605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } Kind; 359705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 359805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor union { 359905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 360005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator Field; 360105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 360205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator ArrayOrRange; 360305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 360405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor friend class DesignatedInitExpr; 360505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 360605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor public: 3607ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator() {} 3608ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 360905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a field designator. 36101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(const IdentifierInfo *FieldName, SourceLocation DotLoc, 36111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation FieldLoc) 361205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(FieldDesignator) { 361305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FieldName) | 0x01; 361405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.DotLoc = DotLoc.getRawEncoding(); 361505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.FieldLoc = FieldLoc.getRawEncoding(); 361605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 361705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 361805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes an array designator. 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 362005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation RBracketLoc) 362105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayDesignator) { 362205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 362305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 362405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = SourceLocation().getRawEncoding(); 362505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 362605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 362705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 362805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a GNU array-range designator. 36291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 363005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EllipsisLoc, SourceLocation RBracketLoc) 363105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayRangeDesignator) { 363205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 363305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 363405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = EllipsisLoc.getRawEncoding(); 363505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 363605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 363705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 363805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isFieldDesignator() const { return Kind == FieldDesignator; } 363905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayDesignator() const { return Kind == ArrayDesignator; } 364005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayRangeDesignator() const { return Kind == ArrayRangeDesignator; } 364105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3642b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth IdentifierInfo *getFieldName() const; 364305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3644b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth FieldDecl *getField() const { 364505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 364605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 364705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return 0; 364805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 364905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<FieldDecl *>(Field.NameOrField); 365005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 365105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 365205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setField(FieldDecl *FD) { 365305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 365405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FD); 365505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 365605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 365787f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor SourceLocation getDotLoc() const { 365887f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 365987f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor return SourceLocation::getFromRawEncoding(Field.DotLoc); 366087f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor } 366187f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor 366205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getFieldLoc() const { 366305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 366405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(Field.FieldLoc); 366505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 366605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 366705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getLBracketLoc() const { 366805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 366905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 367005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.LBracketLoc); 367105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 367205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 367305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getRBracketLoc() const { 367405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 367505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 367605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.RBracketLoc); 367705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 367805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 367905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEllipsisLoc() const { 368005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == ArrayRangeDesignator && 368105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array-range designator"); 368205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.EllipsisLoc); 368305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 36844c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 3685d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getFirstExprIndex() const { 3686d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 3687d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor "Only valid on an array or array-range designator"); 3688d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return ArrayOrRange.Index; 3689d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3690d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 36914c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation getStartLocation() const { 36924c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor if (Kind == FieldDesignator) 36934c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc(); 36944c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor else 36954c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getLBracketLoc(); 36964c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 369724f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara SourceLocation getEndLocation() const { 369824f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara return Kind == FieldDesignator ? getFieldLoc() : getRBracketLoc(); 369924f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara } 370024f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara SourceRange getSourceRange() const { 370124f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara return SourceRange(getStartLocation(), getEndLocation()); 370224f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara } 370305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 370405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 37051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static DesignatedInitExpr *Create(ASTContext &C, Designator *Designators, 370605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 370705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 370805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc, 3709eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax, Expr *Init); 371005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3711d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor static DesignatedInitExpr *CreateEmpty(ASTContext &C, unsigned NumIndexExprs); 3712d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 371305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Returns the number of designators in this initializer. 371405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned size() const { return NumDesignators; } 371505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 371605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterator access to the designators. 3717b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth typedef Designator *designators_iterator; 3718ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor designators_iterator designators_begin() { return Designators; } 37191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump designators_iterator designators_end() { 37201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Designators + NumDesignators; 3721ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 372205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3723b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth typedef const Designator *const_designators_iterator; 3724b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth const_designators_iterator designators_begin() const { return Designators; } 3725b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth const_designators_iterator designators_end() const { 3726b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth return Designators + NumDesignators; 3727b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth } 3728b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth 3729cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek typedef std::reverse_iterator<designators_iterator> 3730cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek reverse_designators_iterator; 3731cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek reverse_designators_iterator designators_rbegin() { 3732cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek return reverse_designators_iterator(designators_end()); 3733cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek } 3734cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek reverse_designators_iterator designators_rend() { 3735cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek return reverse_designators_iterator(designators_begin()); 3736cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek } 3737cdba6595a61a7bd31f504260abf63c900a759d0fTed Kremenek 3738b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth typedef std::reverse_iterator<const_designators_iterator> 3739b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth const_reverse_designators_iterator; 3740b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth const_reverse_designators_iterator designators_rbegin() const { 3741b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth return const_reverse_designators_iterator(designators_end()); 3742b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth } 3743b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth const_reverse_designators_iterator designators_rend() const { 3744b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth return const_reverse_designators_iterator(designators_begin()); 3745b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth } 3746b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth 3747711997184366d584c9c437102cae1e9d9927b986Douglas Gregor Designator *getDesignator(unsigned Idx) { return &designators_begin()[Idx]; } 3748711997184366d584c9c437102cae1e9d9927b986Douglas Gregor 3749c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt void setDesignators(ASTContext &C, const Designator *Desigs, 3750319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesigs); 3751d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 375205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayIndex(const Designator& D); 375305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeStart(const Designator& D); 375405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeEnd(const Designator& D); 375505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 375605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the location of the '=' that precedes the 375705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer value itself, if present. 375805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEqualOrColonLoc() const { return EqualOrColonLoc; } 3759d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setEqualOrColonLoc(SourceLocation L) { EqualOrColonLoc = L; } 376005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 376105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Determines whether this designated initializer used the 3762eeae8f072748affce25ab4064982626361293390Douglas Gregor /// deprecated GNU syntax for designated initializers. 3763eeae8f072748affce25ab4064982626361293390Douglas Gregor bool usesGNUSyntax() const { return GNUSyntax; } 3764d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setGNUSyntax(bool GNU) { GNUSyntax = GNU; } 376505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 376605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the initializer value. 37671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getInit() const { 376805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*const_cast<DesignatedInitExpr*>(this)->child_begin()); 376905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 377005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 377105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setInit(Expr *init) { 377205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor *child_begin() = init; 377305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 377405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3775d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Retrieve the total number of subexpressions in this 3776d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// designated initializer expression, including the actual 3777d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// initialized value and any expressions that occur within array 3778d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// and array-range designators. 3779d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getNumSubExprs() const { return NumSubExprs; } 3780d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3781d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Expr *getSubExpr(unsigned Idx) { 3782d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 3783d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 3784d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 3785d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx]; 3786d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3787d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3788d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setSubExpr(unsigned Idx, Expr *E) { 3789d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 3790d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 3791d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 3792d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx] = E; 3793d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3794d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3795ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Replaces the designator at index @p Idx with the series 3796ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// of designators in [First, Last). 3797319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void ExpandDesignator(ASTContext &C, unsigned Idx, const Designator *First, 3798ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last); 3799ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 380024f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara SourceRange getDesignatorsSourceRange() const; 380124f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara 380263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 380305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 380405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const Stmt *T) { 38051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DesignatedInitExprClass; 380605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 380705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const DesignatedInitExpr *) { return true; } 380805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 380905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterators 381063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 381163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this + 1); 381263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumSubExprs); 381363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 38143498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor}; 38153498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 38163498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// \brief Represents an implicitly-generated value initialization of 38173498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// an object of a given type. 38183498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// 38191a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// Implicit value initializations occur within semantic initializer 38201a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// list expressions (InitListExpr) as placeholders for subobject 38213498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// initializations not explicitly specified by the user. 38221a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// 38231a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// \see InitListExpr 38241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ImplicitValueInitExpr : public Expr { 38253498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregorpublic: 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitValueInitExpr(QualType ty) 3827f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(ImplicitValueInitExprClass, ty, VK_RValue, OK_Ordinary, 3828561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, ty->isInstantiationDependentType(), false) { } 38293498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 3830d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Construct an empty implicit value initialization. 3831d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit ImplicitValueInitExpr(EmptyShell Empty) 3832d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(ImplicitValueInitExprClass, Empty) { } 3833d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 38341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 38353498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return T->getStmtClass() == ImplicitValueInitExprClass; 38363498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 38373498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor static bool classof(const ImplicitValueInitExpr *) { return true; } 38383498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 383963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 38403498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return SourceRange(); 38413498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 38423498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 38433498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor // Iterators 384463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 384505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor}; 384605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 38472ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 38482ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanclass ParenListExpr : public Expr { 38492ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Stmt **Exprs; 38502ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned NumExprs; 38512ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation LParenLoc, RParenLoc; 38522ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 38532ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanpublic: 38541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenListExpr(ASTContext& C, SourceLocation lparenloc, Expr **exprs, 38550d9106fc97cde979a995e26b18bcd2643f8afb55Manuel Klimek unsigned numexprs, SourceLocation rparenloc, QualType T); 38562ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 38572ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman /// \brief Build an empty paren list. 385837bdfe284ad365f753741d1d89c078c148b3f4afArgyrios Kyrtzidis explicit ParenListExpr(EmptyShell Empty) : Expr(ParenListExprClass, Empty) { } 38591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38602ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned getNumExprs() const { return NumExprs; } 38611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getExpr(unsigned Init) const { 38632ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 38642ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 38652ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 38661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getExpr(unsigned Init) { 38682ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 38692ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 38702ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 38712ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 387283ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor Expr **getExprs() { return reinterpret_cast<Expr **>(Exprs); } 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38742ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getLParenLoc() const { return LParenLoc; } 38752ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getRParenLoc() const { return RParenLoc; } 38762ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 387763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 38782ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return SourceRange(LParenLoc, RParenLoc); 38791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 38802ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const Stmt *T) { 38811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenListExprClass; 38822ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 38832ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const ParenListExpr *) { return true; } 38841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38852ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman // Iterators 388663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 388763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0]+NumExprs); 388863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 388937bdfe284ad365f753741d1d89c078c148b3f4afArgyrios Kyrtzidis 389060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 38913397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 38922ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman}; 38932ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 38941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3895f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// \brief Represents a C1X generic selection. 3896f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// 3897f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// A generic selection (C1X 6.5.1.1) contains an unevaluated controlling 3898f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// expression, followed by one or more generic associations. Each generic 3899f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// association specifies a type name and an expression, or "default" and an 3900f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// expression (in which case it is known as a default generic association). 3901f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// The type and value of the generic selection are identical to those of its 3902f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// result expression, which is defined as the expression in the generic 3903f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// association with a type name that is compatible with the type of the 3904f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// controlling expression, or the expression in the default generic association 3905f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// if no types are compatible. For example: 3906f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// 3907f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// @code 3908f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// _Generic(X, double: 1, float: 2, default: 3) 3909f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// @endcode 3910f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// 3911f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// The above expression evaluates to 1 if 1.0 is substituted for X, 2 if 1.0f 3912f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// or 3 if "hello". 3913f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// 3914f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// As an extension, generic selections are allowed in C++, where the following 3915f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// additional semantics apply: 3916f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// 3917f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// Any generic selection whose controlling expression is type-dependent or 3918f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// which names a dependent type in its association list is result-dependent, 3919f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// which means that the choice of result expression is dependent. 3920f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne/// Result-dependent generic associations are both type- and value-dependent. 3921f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourneclass GenericSelectionExpr : public Expr { 3922f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne enum { CONTROLLING, END_EXPR }; 3923f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne TypeSourceInfo **AssocTypes; 3924f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne Stmt **SubExprs; 3925f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned NumAssocs, ResultIndex; 3926f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation GenericLoc, DefaultLoc, RParenLoc; 3927f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3928f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbournepublic: 3929f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne GenericSelectionExpr(ASTContext &Context, 3930f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation GenericLoc, Expr *ControllingExpr, 3931f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne TypeSourceInfo **AssocTypes, Expr **AssocExprs, 3932f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned NumAssocs, SourceLocation DefaultLoc, 3933f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation RParenLoc, 3934f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne bool ContainsUnexpandedParameterPack, 3935f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned ResultIndex); 3936f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3937f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// This constructor is used in the result-dependent case. 3938f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne GenericSelectionExpr(ASTContext &Context, 3939f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation GenericLoc, Expr *ControllingExpr, 3940f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne TypeSourceInfo **AssocTypes, Expr **AssocExprs, 3941f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned NumAssocs, SourceLocation DefaultLoc, 3942f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation RParenLoc, 3943f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne bool ContainsUnexpandedParameterPack); 3944f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3945f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne explicit GenericSelectionExpr(EmptyShell Empty) 3946f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne : Expr(GenericSelectionExprClass, Empty) { } 3947f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3948f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned getNumAssocs() const { return NumAssocs; } 3949f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3950f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation getGenericLoc() const { return GenericLoc; } 3951f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation getDefaultLoc() const { return DefaultLoc; } 3952f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation getRParenLoc() const { return RParenLoc; } 3953f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3954f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const Expr *getAssocExpr(unsigned i) const { 3955f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<Expr>(SubExprs[END_EXPR+i]); 3956f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3957f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne Expr *getAssocExpr(unsigned i) { return cast<Expr>(SubExprs[END_EXPR+i]); } 3958f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3959f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const TypeSourceInfo *getAssocTypeSourceInfo(unsigned i) const { 3960f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return AssocTypes[i]; 3961f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3962f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne TypeSourceInfo *getAssocTypeSourceInfo(unsigned i) { return AssocTypes[i]; } 3963f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3964f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne QualType getAssocType(unsigned i) const { 3965f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (const TypeSourceInfo *TS = getAssocTypeSourceInfo(i)) 3966f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return TS->getType(); 3967f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne else 3968f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return QualType(); 3969f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3970f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3971f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const Expr *getControllingExpr() const { 3972f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<Expr>(SubExprs[CONTROLLING]); 3973f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3974f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne Expr *getControllingExpr() { return cast<Expr>(SubExprs[CONTROLLING]); } 3975f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3976f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// Whether this generic selection is result-dependent. 3977f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne bool isResultDependent() const { return ResultIndex == -1U; } 3978f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3979f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// The zero-based index of the result expression's generic association in 3980f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// the generic selection's association list. Defined only if the 3981f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// generic selection is not result-dependent. 3982f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned getResultIndex() const { 3983f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne assert(!isResultDependent() && "Generic selection is result-dependent"); 3984f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return ResultIndex; 3985f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3986f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3987f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// The generic selection's result expression. Defined only if the 3988f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne /// generic selection is not result-dependent. 3989f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const Expr *getResultExpr() const { return getAssocExpr(getResultIndex()); } 3990f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne Expr *getResultExpr() { return getAssocExpr(getResultIndex()); } 3991f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3992f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceRange getSourceRange() const { 3993f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return SourceRange(GenericLoc, RParenLoc); 3994f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3995f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne static bool classof(const Stmt *T) { 3996f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return T->getStmtClass() == GenericSelectionExprClass; 3997f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 3998f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne static bool classof(const GenericSelectionExpr *) { return true; } 3999f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 4000f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne child_range children() { 4001f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return child_range(SubExprs, SubExprs+END_EXPR+NumAssocs); 4002f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 4003f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 4004f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne friend class ASTStmtReader; 4005f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne}; 4006f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 40074eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 40084eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 40094eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 40104eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 4011a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 4012a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 4013a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 4014a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 4015a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 401673525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// Note that the base may have either vector or pointer to vector type, just 401773525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// like a struct field reference. 401873525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// 4019a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 4020a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 4021d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo *Accessor; 4022a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 4023a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 4024f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExtVectorElementExpr(QualType ty, ExprValueKind VK, Expr *base, 4025f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall IdentifierInfo &accessor, SourceLocation loc) 40260943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall : Expr(ExtVectorElementExprClass, ty, VK, 40270943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall (VK == VK_RValue ? OK_Ordinary : OK_VectorComponent), 4028bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor base->isTypeDependent(), base->isValueDependent(), 4029561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor base->isInstantiationDependent(), 4030bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor base->containsUnexpandedParameterPack()), 4031d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor Base(base), Accessor(&accessor), AccessorLoc(loc) {} 40321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4033d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Build an empty vector element expression. 4034d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit ExtVectorElementExpr(EmptyShell Empty) 4035d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor : Expr(ExtVectorElementExprClass, Empty) { } 4036d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 4037a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 4038a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 4039d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBase(Expr *E) { Base = E; } 4040d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 4041d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo &getAccessor() const { return *Accessor; } 4042d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessor(IdentifierInfo *II) { Accessor = II; } 4043d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 4044d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getAccessorLoc() const { return AccessorLoc; } 4045d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessorLoc(SourceLocation L) { AccessorLoc = L; } 4046d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 4047a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 4048a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 40491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4050a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 4051a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 4052a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 40531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4054a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 4055a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 4056686775deca8b8685eb90801495880e3abdd844c2Chris Lattner void getEncodedElementAccess(SmallVectorImpl<unsigned> &Elts) const; 40571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 405863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 4059a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 4060a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 40611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40622140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// isArrow - Return true if the base expression is a pointer to vector, 40632140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// return false if the base expression is a vector. 40642140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner bool isArrow() const; 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 40671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ExtVectorElementExprClass; 4068a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 4069a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 40701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4071a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 407263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base+1); } 4073a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 4074a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 4075a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 407656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 40779c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 40784eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 407956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 408056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 40814eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 4082469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall BlockExpr(BlockDecl *BD, QualType ty) 4083f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(BlockExprClass, ty, VK_RValue, OK_Ordinary, 4084561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ty->isDependentType(), false, 4085561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // FIXME: Check for instantiate-dependence in the statement? 4086561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ty->isInstantiationDependentType(), 4087561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false), 4088469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall TheBlock(BD) {} 40899c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 409084af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor /// \brief Build an empty block expression. 409184af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor explicit BlockExpr(EmptyShell Empty) : Expr(BlockExprClass, Empty) { } 409284af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 4093d5cab5435371b8cc74a9e05ebd40b5995ebad149Anders Carlsson const BlockDecl *getBlockDecl() const { return TheBlock; } 409456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 409584af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setBlockDecl(BlockDecl *BD) { TheBlock = BD; } 409684af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 409756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 409856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 409956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 410056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 41019c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 410263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 410356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 41049c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 41059c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 410656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 410756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 410856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 41091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 41109c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 41114eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 41124eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 41131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41144eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 411563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 41164eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 41171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41186b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// BlockDeclRefExpr - A reference to a local variable declared in an 41196b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// enclosing scope. 41204eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 41216b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall VarDecl *D; 41224eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 41237d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool IsByRef : 1; 41247d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool ConstQualAdded : 1; 41254eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 41266b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall BlockDeclRefExpr(VarDecl *d, QualType t, ExprValueKind VK, 41276b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall SourceLocation l, bool ByRef, bool constAdded = false); 412894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 412994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // \brief Build an empty reference to a declared variable in a 413094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // block. 413194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor explicit BlockDeclRefExpr(EmptyShell Empty) 413294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(BlockDeclRefExprClass, Empty) { } 41331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41346b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall VarDecl *getDecl() { return D; } 41356b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const VarDecl *getDecl() const { return D; } 41366b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall void setDecl(VarDecl *VD) { D = VD; } 413794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 413894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getLocation() const { return Loc; } 413994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setLocation(SourceLocation L) { Loc = L; } 414094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 414163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 41421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 414494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setByRef(bool BR) { IsByRef = BR; } 41451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41467d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool isConstQualAdded() const { return ConstQualAdded; } 41477d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian void setConstQualAdded(bool C) { ConstQualAdded = C; } 414889f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian 41491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 41501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BlockDeclRefExprClass; 41514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 41524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 415563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 41564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 41574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 415861eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner/// AsTypeExpr - Clang builtin function __builtin_astype [OpenCL 6.2.4.2] 415961eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner/// This AST node provides support for reinterpreting a type to another 416061eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner/// type of the same size. 4161379010addb0e84fd0fbc37c829baf658958521bdJohn McCallclass AsTypeExpr : public Expr { // Should this be an ExplicitCastExpr? 416261eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattnerprivate: 4163379010addb0e84fd0fbc37c829baf658958521bdJohn McCall Stmt *SrcExpr; 416461eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner SourceLocation BuiltinLoc, RParenLoc; 4165379010addb0e84fd0fbc37c829baf658958521bdJohn McCall 4166379010addb0e84fd0fbc37c829baf658958521bdJohn McCall friend class ASTReader; 4167379010addb0e84fd0fbc37c829baf658958521bdJohn McCall friend class ASTStmtReader; 4168379010addb0e84fd0fbc37c829baf658958521bdJohn McCall explicit AsTypeExpr(EmptyShell Empty) : Expr(AsTypeExprClass, Empty) {} 416961eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner 417061eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattnerpublic: 417161eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner AsTypeExpr(Expr* SrcExpr, QualType DstType, 417261eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner ExprValueKind VK, ExprObjectKind OK, 417361eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner SourceLocation BuiltinLoc, SourceLocation RParenLoc) 4174561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(AsTypeExprClass, DstType, VK, OK, 4175561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor DstType->isDependentType(), 4176561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor DstType->isDependentType() || SrcExpr->isValueDependent(), 4177561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (DstType->isInstantiationDependentType() || 4178561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SrcExpr->isInstantiationDependent()), 4179561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (DstType->containsUnexpandedParameterPack() || 4180561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SrcExpr->containsUnexpandedParameterPack())), 4181379010addb0e84fd0fbc37c829baf658958521bdJohn McCall SrcExpr(SrcExpr), BuiltinLoc(BuiltinLoc), RParenLoc(RParenLoc) {} 418261eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner 418361eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner /// getSrcExpr - Return the Expr to be converted. 4184379010addb0e84fd0fbc37c829baf658958521bdJohn McCall Expr *getSrcExpr() const { return cast<Expr>(SrcExpr); } 4185379010addb0e84fd0fbc37c829baf658958521bdJohn McCall 4186379010addb0e84fd0fbc37c829baf658958521bdJohn McCall /// getBuiltinLoc - Return the location of the __builtin_astype token. 4187379010addb0e84fd0fbc37c829baf658958521bdJohn McCall SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 4188379010addb0e84fd0fbc37c829baf658958521bdJohn McCall 4189379010addb0e84fd0fbc37c829baf658958521bdJohn McCall /// getRParenLoc - Return the location of final right parenthesis. 4190379010addb0e84fd0fbc37c829baf658958521bdJohn McCall SourceLocation getRParenLoc() const { return RParenLoc; } 419161eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner 41927b33c2b3908b178511ccaace8cacb5e5b14552a9Nick Lewycky SourceRange getSourceRange() const { 419361eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner return SourceRange(BuiltinLoc, RParenLoc); 419461eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner } 419561eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner 419661eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner static bool classof(const Stmt *T) { 419761eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner return T->getStmtClass() == AsTypeExprClass; 419861eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner } 419961eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner static bool classof(const AsTypeExpr *) { return true; } 420061eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner 420161eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner // Iterators 4202379010addb0e84fd0fbc37c829baf658958521bdJohn McCall child_range children() { return child_range(&SrcExpr, &SrcExpr+1); } 420361eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner}; 4204276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4205276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman/// AtomicExpr - Variadic atomic builtins: __atomic_exchange, __atomic_fetch_*, 4206276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman/// __atomic_load, __atomic_store, and __atomic_compare_exchange_*, for the 4207276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman/// similarly-named C++0x instructions. All of these instructions take one 4208276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman/// primary pointer and at least one memory order. 4209276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedmanclass AtomicExpr : public Expr { 4210276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedmanpublic: 4211276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman enum AtomicOp { Load, Store, CmpXchgStrong, CmpXchgWeak, Xchg, 4212276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Add, Sub, And, Or, Xor }; 4213276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedmanprivate: 4214276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman enum { PTR, ORDER, VAL1, ORDER_FAIL, VAL2, END_EXPR }; 4215276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Stmt* SubExprs[END_EXPR]; 4216276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman unsigned NumSubExprs; 4217276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SourceLocation BuiltinLoc, RParenLoc; 4218276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman AtomicOp Op; 4219276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4220276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedmanpublic: 4221dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman AtomicExpr(SourceLocation BLoc, Expr **args, unsigned nexpr, QualType t, 4222dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman AtomicOp op, SourceLocation RP); 4223276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4224276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman /// \brief Build an empty AtomicExpr. 4225276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman explicit AtomicExpr(EmptyShell Empty) : Expr(AtomicExprClass, Empty) { } 4226276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4227276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Expr *getPtr() const { 4228276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return cast<Expr>(SubExprs[PTR]); 4229276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4230276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setPtr(Expr *E) { 4231276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SubExprs[PTR] = E; 4232276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4233276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Expr *getOrder() const { 4234276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return cast<Expr>(SubExprs[ORDER]); 4235276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4236276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setOrder(Expr *E) { 4237276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SubExprs[ORDER] = E; 4238276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4239276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Expr *getVal1() const { 4240276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs >= 3); 4241276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return cast<Expr>(SubExprs[VAL1]); 4242276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4243276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setVal1(Expr *E) { 4244276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs >= 3); 4245276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SubExprs[VAL1] = E; 4246276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4247276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Expr *getOrderFail() const { 4248276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs == 5); 4249276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return cast<Expr>(SubExprs[ORDER_FAIL]); 4250276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4251276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setOrderFail(Expr *E) { 4252276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs == 5); 4253276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SubExprs[ORDER_FAIL] = E; 4254276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4255276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman Expr *getVal2() const { 4256276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs == 5); 4257276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return cast<Expr>(SubExprs[VAL2]); 4258276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4259276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setVal2(Expr *E) { 4260276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman assert(NumSubExprs == 5); 4261276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SubExprs[VAL2] = E; 4262276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4263276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4264276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman AtomicOp getOp() const { return Op; } 4265276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setOp(AtomicOp op) { Op = op; } 4266276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman unsigned getNumSubExprs() { return NumSubExprs; } 4267276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setNumSubExprs(unsigned num) { NumSubExprs = num; } 4268276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4269dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman Expr **getSubExprs() { return reinterpret_cast<Expr **>(SubExprs); } 4270dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman 4271276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman bool isVolatile() const { 4272276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return getPtr()->getType()->getPointeeType().isVolatileQualified(); 4273276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4274276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4275276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman bool isCmpXChg() const { 4276276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return getOp() == AtomicExpr::CmpXchgStrong || 4277276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman getOp() == AtomicExpr::CmpXchgWeak; 4278276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4279276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4280276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 4281276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 4282276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4283276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SourceLocation getRParenLoc() const { return RParenLoc; } 4284276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman void setRParenLoc(SourceLocation L) { RParenLoc = L; } 4285276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4286276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman SourceRange getSourceRange() const { 4287276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return SourceRange(BuiltinLoc, RParenLoc); 4288276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4289276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman static bool classof(const Stmt *T) { 4290276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return T->getStmtClass() == AtomicExprClass; 4291276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4292276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman static bool classof(const AtomicExpr *) { return true; } 4293276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman 4294276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman // Iterators 4295276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman child_range children() { 4296276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman return child_range(SubExprs, SubExprs+NumSubExprs); 4297276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman } 4298276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman}; 42995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 43005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4302