Expr.h revision 369e51fa400aeb5835bb9af4634ea516c11429a7
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" 23409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson#include "clang/AST/UsuallyTinyPtrVector.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 25525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 263b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 27b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar#include "llvm/ADT/StringRef.h" 28c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 31590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 32c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 33c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 34c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 35c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 368e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 37c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 39409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson class CXXBaseSpecifier; 4088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXOperatorCallExpr; 4188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXMemberCallExpr; 42833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 43d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 4488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 457ab9d574d27ecee1f130e5755aa403e5ab529b6bAnders Carlsson/// \brief A simple array of base specifiers. 46f871d0cc377a1367b519a6cce26be74607566ebaJohn McCalltypedef llvm::SmallVector<CXXBaseSpecifier*, 4> CXXCastPath; 477ab9d574d27ecee1f130e5755aa403e5ab529b6bAnders Carlsson 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 54898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 55bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner virtual void ANCHOR(); // key function. 569ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregorprotected: 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// TypeDependent - Whether this expression is type-dependent 58898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.expr]). 59898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool TypeDependent : 1; 60898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ValueDependent - Whether this expression is value-dependent 62898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.constexpr]). 63898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool ValueDependent : 1; 64898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 655baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall /// ValueKind - The value classification of this expression. 665baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall /// Only actually used by certain subclasses. 675baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall unsigned ValueKind : 2; 685baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall 695baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall enum { BitsRemaining = 28 }; 70f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 71898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(StmtClass SC, QualType T, bool TD, bool VD) 725baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall : Stmt(SC), TypeDependent(TD), ValueDependent(VD), ValueKind(0) { 73898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor setType(T); 74898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 75898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 760b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty expression. 770b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor explicit Expr(StmtClass SC, EmptyShell) : Stmt(SC) { } 780b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 8043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this expression. 8143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 8243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this expression 8343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 8443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Expr *Retain() { 8543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt::Retain(); 8643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 8743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setType(QualType t) { 919d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 929d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 939d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 949d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 959d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 969d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 979d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 98905d11d53aeb6b26744f44fedc2b2820c7a62df6Douglas Gregor assert((t.isNull() || !t->isReferenceType()) && 998320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 100f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 1011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TR = t; 1029d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 10377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 104898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isValueDependent - Determines whether this expression is 105898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// value-dependent (C++ [temp.dep.constexpr]). For example, the 106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// array bound of "Chars" in the following example is 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// value-dependent. 108898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 109898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// template<int Size, char (&Chars)[Size]> struct meta_string; 110898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isValueDependent() const { return ValueDependent; } 112898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1130b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is value-dependent or not. 1140b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValueDependent(bool VD) { ValueDependent = VD; } 1150b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 116898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isTypeDependent - Determines whether this expression is 117898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type-dependent (C++ [temp.dep.expr]), which means that its type 118898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// could change from one template instantiation to the next. For 119898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// example, the expressions "x" and "x + y" are type-dependent in 120898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the following code, but "y" is not type-dependent: 121898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// template<typename T> 123898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// void add(T x, int y) { 124898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// x + y; 125898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// } 126898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 127898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isTypeDependent() const { return TypeDependent; } 128898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1290b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is type-dependent or not. 1300b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setTypeDependent(bool TD) { TypeDependent = TD; } 1310b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 141026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// isUnusedResultAWarning - Return true if this immediate expression should 142026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// be warned about if the result is unused. If so, fill in Loc and Ranges 143026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// with location to warn on and the source range[s] to report with the 144026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// warning. 145026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner bool isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1, 146df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump SourceRange &R2, ASTContext &Ctx) const; 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 15708ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 15876458501a8963fa11b91c9337a487de6871169b4Sebastian Redl /// - b ? x : y, where x and y are lvalues of suitable types [C++] 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 164fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 16586f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor LV_InvalidExpression, 1662514a309204341798f96912ce7a90841bea59727Fariborz Jahanian LV_MemberFunction, 167e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertySetting, 168e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor LV_ClassTemporary 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 17028be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 17153202857c60214d80950a975e6e52aebf30bd16aEli Friedman 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// and if it is a structure or union, does not have any member (including, 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 17744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// 17844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// \param Loc [in] [out] - A source location which *may* be filled 17944e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// in with the location of the expression making this a 18044e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// non-modifiable lvalue, if specified. 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 185fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 187ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1904f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1915daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 192ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 19386f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor MLV_NoSetterProperty, 1942514a309204341798f96912ce7a90841bea59727Fariborz Jahanian MLV_MemberFunction, 195e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertySetting, 196e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor MLV_ClassTemporary 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 19844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx, 19944e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar SourceLocation *Loc = 0) const; 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2012111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The return type of classify(). Represents the C++0x expression 2022111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// taxonomy. 2032111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl class Classification { 2042111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl public: 2052111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The various classification results. Most of these mean prvalue. 2062111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl enum Kinds { 2072111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_LValue, 2082111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_XValue, 2092111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_Function, // Functions cannot be lvalues in C. 2102111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_Void, // Void cannot be an lvalue in C. 2112111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_DuplicateVectorComponents, // A vector shuffle with dupes. 2122111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_MemberFunction, // An expression referring to a member function 2132111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_SubObjCPropertySetting, 2142111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_ClassTemporary, // A prvalue of class type 2152111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CL_PRValue // A prvalue for any other reason, of any other type 2162111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 2172111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \brief The results of modification testing. 2182111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl enum ModifiableType { 2192111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Untested, // testModifiable was false. 2202111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Modifiable, 2212111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_RValue, // Not modifiable because it's an rvalue 2222111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_Function, // Not modifiable because it's a function; C++ only 2232111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_LValueCast, // Same as CM_RValue, but indicates GCC cast-as-lvalue ext 2242111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_NotBlockQualified, // Not captured in the closure 2252111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_NoSetterProperty,// Implicit assignment to ObjC property without setter 2262111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_ConstQualified, 2272111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_ArrayType, 2282111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl CM_IncompleteType 2292111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 2302111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2312111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl private: 2322111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl friend class Expr; 2332111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2342111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl unsigned short Kind; 2352111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl unsigned short Modifiable; 2362111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2372111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl explicit Classification(Kinds k, ModifiableType m) 2382111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl : Kind(k), Modifiable(m) 2392111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl {} 2402111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2412111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl public: 2422111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification() {} 2432111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2442111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Kinds getKind() const { return static_cast<Kinds>(Kind); } 2452111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl ModifiableType getModifiable() const { 2462111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl assert(Modifiable != CM_Untested && "Did not test for modifiability."); 2472111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return static_cast<ModifiableType>(Modifiable); 2482111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 2492111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isLValue() const { return Kind == CL_LValue; } 2502111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isXValue() const { return Kind == CL_XValue; } 2512111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isGLValue() const { return Kind <= CL_XValue; } 2522111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isPRValue() const { return Kind >= CL_Function; } 2532111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isRValue() const { return Kind >= CL_XValue; } 2542111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl bool isModifiable() const { return getModifiable() == CM_Modifiable; } 2552111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl }; 256369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Classify - Classify this expression according to the C++0x 2572111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// expression taxonomy. 2582111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// 2592111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// C++0x defines ([basic.lval]) a new taxonomy of expressions to replace the 2602111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// old lvalue vs rvalue. This function determines the type of expression this 2612111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// is. There are three expression types: 2622111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - lvalues are classical lvalues as in C++03. 2632111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - prvalues are equivalent to rvalues in C++03. 2642111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// - xvalues are expressions yielding unnamed rvalue references, e.g. a 2652111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// function returning an rvalue reference. 2662111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// lvalues and xvalues are collectively referred to as glvalues, while 2672111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// prvalues and xvalues together form rvalues. 2682111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification Classify(ASTContext &Ctx) const { 2692111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return ClassifyImpl(Ctx, 0); 2702111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 2712111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 272369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief ClassifyModifiable - Classify this expression according to the 2732111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// C++0x expression taxonomy, and see if it is valid on the left side 2742111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// of an assignment. 2752111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// 2762111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// This function extends classify in that it also tests whether the 2772111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// expression is modifiable (C99 6.3.2.1p1). 2782111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// \param Loc A source location that might be filled with a relevant location 2792111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl /// if the expression is not modifiable. 2802111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification ClassifyModifiable(ASTContext &Ctx, SourceLocation &Loc) const{ 2812111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl return ClassifyImpl(Ctx, &Loc); 2822111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl } 2832111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2842111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redlprivate: 2852111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl Classification ClassifyImpl(ASTContext &Ctx, SourceLocation *Loc) const; 2862111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 2872111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redlpublic: 2882111c855343a0530e236bf0862358ec8d67b28f3Sebastian Redl 28933bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// \brief If this expression refers to a bit-field, retrieve the 29033bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// declaration of that bit-field. 29133bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor FieldDecl *getBitField(); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29338d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson const FieldDecl *getBitField() const { 29438d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson return const_cast<Expr*>(this)->getBitField(); 29538d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson } 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 297093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson /// \brief Returns whether this expression refers to a vector element. 298093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson bool refersToVectorElement() const; 299c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 3002b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// isKnownToHaveBooleanValue - Return true if this is an integer expression 3012b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// that is known to return 0 or 1. This happens for _Bool/bool expressions 3022b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// but also int expressions which are produced by things like comparisons in 3032b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// C. 3042b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner bool isKnownToHaveBooleanValue() const; 305c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 310590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 311590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 313590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 3148070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 315590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 317c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// isConstantInitializer - Returns true if this expression is a constant 318c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// initializer, which can be emitted at compile-time. 3194204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall bool isConstantInitializer(ASTContext &Ctx, bool ForRef) const; 3201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// EvalResult is a struct with detailed info about an evaluated expression. 32294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson struct EvalResult { 3232d6744ff04c1690a1485178d550d2fab84a0270bDaniel Dunbar /// Val - This is the value the expression can be folded to. 32494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson APValue Val; 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// HasSideEffects - Whether the evaluated expression has side effects. 32794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// For example, (f() && 0) can be folded, but it still has side effects. 32894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson bool HasSideEffects; 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag - If the expression is unfoldable, then Diag contains a note 33194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// diagnostic indicating why it's not foldable. DiagLoc indicates a caret 33294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// position for the error, and DiagExpr is the expression that caused 33394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// the error. 33494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// If the expression is foldable, but not an integer constant expression, 33594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag contains a note diagnostic that describes why it isn't an integer 33694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// constant expression. If the expression *is* an integer constant 33794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// expression, then Diag will be zero. 33894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson unsigned Diag; 33994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson const Expr *DiagExpr; 34094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson SourceLocation DiagLoc; 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson EvalResult() : HasSideEffects(false), Diag(0), DiagExpr(0) {} 343e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara 344e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // isGlobalLValue - Return true if the evaluated lvalue expression 345e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // is global. 346e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara bool isGlobalLValue() const; 347e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // hasSideEffects - Return true if the evaluated expression has 348e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara // side effects. 349e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara bool hasSideEffects() const { 350e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara return HasSideEffects; 351e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara } 35294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson }; 35394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson 3546ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 355019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 356019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 357019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 3585b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson bool Evaluate(EvalResult &Result, ASTContext &Ctx) const; 3595b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson 360cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// EvaluateAsBooleanCondition - Return true if this is a constant 361cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// which we we can fold and convert to a boolean condition using 362cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// any crazy technique that we want to. 363cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall bool EvaluateAsBooleanCondition(bool &Result, ASTContext &Ctx) const; 364cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall 3656ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 36645b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 36745b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 368c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 3696ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// HasSideEffects - This routine returns true for all those expressions 370c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// which must be evaluated each time and must not be optimization away 3716ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// or evaluated at compile time. Example is a function call, volatile 3726ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// variable read. 373393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian bool HasSideEffects(ASTContext &Ctx) const; 374c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 37551fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// EvaluateAsInt - Call Evaluate and return the folded integer. This 37651fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 37751fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson llvm::APSInt EvaluateAsInt(ASTContext &Ctx) const; 37851fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 379b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue 380b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// with link time known address. 3811b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson bool EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const; 3821b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson 383e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue. 384e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara bool EvaluateAsAnyLValue(EvalResult &Result, ASTContext &Ctx) const; 385e17a6436b429e4b18a5e157061fb13bbc677b3b0Abramo Bagnara 386ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Enumeration used to describe how \c isNullPointerConstant() 387ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// should cope with value-dependent expressions. 388ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor enum NullPointerConstantValueDependence { 389ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that the expression should never be value-dependent. 390ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_NeverValueDependent = 0, 391c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 392ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression of integral or 393ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// dependent type should be considered a null pointer constant. 394ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNull, 395c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 396ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression should be considered 397ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// to never be a null pointer constant. 398ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNotNull 399ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor }; 400c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 401efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// isNullPointerConstant - C99 6.3.2.3p3 - Return true if this is either an 402efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// integer constant expression with the value zero, or if this is one that is 403efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// cast to void*. 404ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor bool isNullPointerConstant(ASTContext &Ctx, 405ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NullPointerConstantValueDependence NPC) const; 406efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson 40744baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian /// isOBJCGCCandidate - Return true if this expression may be used in a read/ 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// write barrier. 409102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian bool isOBJCGCCandidate(ASTContext &Ctx) const; 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 411369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Result type of CanThrow(). 412369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl enum CanThrowResult { 413369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Cannot, 414369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Dependent, 415369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CT_Can 416369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl }; 417369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// \brief Test if this expression, if evaluated, might throw, according to 418369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl /// the rules of C++ [expr.unary.noexcept]. 419369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl CanThrowResult CanThrow(ASTContext &C) const; 420369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl 4214e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// its subexpression. If that subexpression is also a ParenExpr, 4234e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 4244e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 4252b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner Expr *IgnoreParens(); 42656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 42756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 42827c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 42956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4312fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall /// IgnoreParenImpCasts - Ignore parentheses and implicit casts. Strip off any 4322fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall /// ParenExpr or ImplicitCastExprs, returning their operand. 4332fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall Expr *IgnoreParenImpCasts(); 4342fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall 4354d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek const Expr *IgnoreParenImpCasts() const { 4364d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek return const_cast<Expr*>(this)->IgnoreParenImpCasts(); 4374d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek } 4384d3175c1e5a44251ea97b0c81e80f060629d9c08Ted Kremenek 439ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 440ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// value (including ptr->int casts of the same size). Strip off any 441ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// ParenExpr or CastExprs, returning their operand. 442ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *IgnoreParenNoopCasts(ASTContext &Ctx); 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Determine whether this expression is a default function argument. 4456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// 4466eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// Default arguments are implicitly generated in the abstract syntax tree 447c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// by semantic analysis for function calls, object constructions, etc. in 4486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// C++. Default arguments are represented by \c CXXDefaultArgExpr nodes; 4496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// this routine also looks through any implicit casts to determine whether 4506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// the expression is a default argument. 4516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor bool isDefaultArgument() const; 452c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 4532f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief Determine whether this expression directly creates a 4542f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object (of class type). 4552f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor bool isTemporaryObject() const { return getTemporaryObject() != 0; } 4562f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 4572f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief If this expression directly creates a temporary object of 4582f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// class type, return the expression that actually constructs that 4592f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object. 4602f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor const Expr *getTemporaryObject() const; 4612f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 4622b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner const Expr *IgnoreParens() const { 4634e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 4644e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 46556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 46656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 46756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 468ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner const Expr *IgnoreParenNoopCasts(ASTContext &Ctx) const { 469ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx); 470ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyTypeDependentArguments(Expr** Exprs, unsigned NumExprs); 473898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyValueDependentArguments(Expr** Exprs, unsigned NumExprs); 474898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() <= lastExprConstant; 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 487a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents the qualifier that may precede a C++ name, e.g., the 488a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// "std::" in "std::sort". 489a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct NameQualifier { 490a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The nested name specifier. 491a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *NNS; 492c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 493a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source range covered by the nested name specifier. 494a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange Range; 495a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 496a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 497a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents an explicit template argument list in C++, e.g., 498a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// the "<int>" in "sort<int>". 499a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct ExplicitTemplateArgumentList { 500a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the left angle bracket ('<'); 501a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation LAngleLoc; 502c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 503a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the right angle bracket ('>'); 504a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation RAngleLoc; 505c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 506a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The number of template arguments in TemplateArgs. 507a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// The actual template arguments (if any) are stored after the 508a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// ExplicitTemplateArgumentList structure. 509a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned NumTemplateArgs; 510c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 511a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 512833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall TemplateArgumentLoc *getTemplateArgs() { 513833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<TemplateArgumentLoc *> (this + 1); 514a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 515c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 516a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 517833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 518833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<const TemplateArgumentLoc *> (this + 1); 519a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 520d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 521d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void initializeFrom(const TemplateArgumentListInfo &List); 522d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyInto(TemplateArgumentListInfo &List) const; 5238dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static std::size_t sizeFor(unsigned NumTemplateArgs); 524d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::size_t sizeFor(const TemplateArgumentListInfo &List); 525a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 526c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 530a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor enum { 531c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // Flag on DecoratedD that specifies when this declaration reference 532a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has a C++ nested-name-specifier. 533a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasQualifierFlag = 0x01, 534c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // Flag on DecoratedD that specifies when this declaration reference 535a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has an explicit C++ template argument list. 536a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasExplicitTemplateArgumentListFlag = 0x02 537a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor }; 538c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 539c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // DecoratedD - The declaration that we are referencing, plus two bits to 540a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // indicate whether (1) the declaration's name was explicitly qualified and 541c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // (2) the declaration's name was followed by an explicit template 542a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // argument list. 543dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall llvm::PointerIntPair<ValueDecl *, 2> DecoratedD; 5442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 545a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Loc - The location of the declaration name itself. 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 5479e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 5482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// DNLoc - Provides source/type location info for the 5492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// declaration name embedded in DecoratedD. 5502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 5512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 552a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the declaration name, if any. 553a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NameQualifier *getNameQualifier() { 5542cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 555a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 556c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 557a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<NameQualifier *> (this + 1); 558a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 559c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 560a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 561a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const NameQualifier *getNameQualifier() const { 562a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getNameQualifier(); 563a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 564096832c5ed5b9106fa177ebc148489760c3bc496John McCall 565a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor DeclRefExpr(NestedNameSpecifier *Qualifier, SourceRange QualifierRange, 566dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, SourceLocation NameLoc, 567d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs, 5680da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T); 569663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis 5702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclRefExpr(NestedNameSpecifier *Qualifier, SourceRange QualifierRange, 5712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ValueDecl *D, const DeclarationNameInfo &NameInfo, 5722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs, 5732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T); 5742577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 575663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis /// \brief Construct an empty declaration reference expression. 576663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis explicit DeclRefExpr(EmptyShell Empty) 577663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis : Expr(DeclRefExprClass, Empty) { } 578c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 5790da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// \brief Computes the type- and value-dependence flags for this 5800da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// declaration reference expression. 5810da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor void computeDependence(); 5829e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 584dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 5850da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(DeclRefExprClass, t, false, false), DecoratedD(d, 0), Loc(l) { 5860da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 5870da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 589a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor static DeclRefExpr *Create(ASTContext &Context, 590a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *Qualifier, 591a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange QualifierRange, 592dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 593a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 5940da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T, 5950da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs = 0); 596663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis 5972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara static DeclRefExpr *Create(ASTContext &Context, 5982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NestedNameSpecifier *Qualifier, 5992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange QualifierRange, 6002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ValueDecl *D, 6012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 6022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, 6032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs = 0); 6042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 605663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis /// \brief Construct an empty declaration reference expression. 606663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis static DeclRefExpr *CreateEmpty(ASTContext &Context, 607663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis bool HasQualifier, unsigned NumTemplateArgs); 608c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 609dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *getDecl() { return DecoratedD.getPointer(); } 610dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall const ValueDecl *getDecl() const { return DecoratedD.getPointer(); } 611dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall void setDecl(ValueDecl *NewD) { DecoratedD.setPointer(NewD); } 612904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 6132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo getNameInfo() const { 6142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(getDecl()->getDeclName(), Loc, DNLoc); 6152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 6162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 6179e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 6180b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 619a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor virtual SourceRange getSourceRange() const; 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 621a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determine whether this declaration reference was preceded by a 622a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// C++ nested-name-specifier, e.g., \c N::foo. 623a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasQualifier() const { return DecoratedD.getInt() & HasQualifierFlag; } 624c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 625a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the source range of 626a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// the nested-name-specifier that precedes the name. Otherwise, 627a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// returns an empty source range. 628a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange getQualifierRange() const { 629a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 630a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceRange(); 631c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 632a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->Range; 633a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 634c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 635c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// \brief If the name was qualified, retrieves the nested-name-specifier 636a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// that precedes the name. Otherwise, returns NULL. 637a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *getQualifier() const { 638a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 639a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 640c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 641a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->NNS; 642a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 643c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 644096832c5ed5b9106fa177ebc148489760c3bc496John McCall bool hasExplicitTemplateArgs() const { 645096832c5ed5b9106fa177ebc148489760c3bc496John McCall return (DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag); 646096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 647096832c5ed5b9106fa177ebc148489760c3bc496John McCall 648096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that followed the 649096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// member template name. 650096832c5ed5b9106fa177ebc148489760c3bc496John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 651096832c5ed5b9106fa177ebc148489760c3bc496John McCall assert(hasExplicitTemplateArgs()); 652096832c5ed5b9106fa177ebc148489760c3bc496John McCall 653096832c5ed5b9106fa177ebc148489760c3bc496John McCall if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 654096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 655096832c5ed5b9106fa177ebc148489760c3bc496John McCall 656096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>( 657096832c5ed5b9106fa177ebc148489760c3bc496John McCall getNameQualifier() + 1); 658096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 659096832c5ed5b9106fa177ebc148489760c3bc496John McCall 660096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that followed the 661096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// member template name. 662096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 663096832c5ed5b9106fa177ebc148489760c3bc496John McCall return const_cast<DeclRefExpr *>(this)->getExplicitTemplateArgs(); 664a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 665d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 666096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 667096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 668096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 669096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getExplicitTemplateArgsOpt() const { 670096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 671096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 672096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 673096832c5ed5b9106fa177ebc148489760c3bc496John McCall 674d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 675d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 676d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 677096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (hasExplicitTemplateArgs()) 678096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 679d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 680c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 681a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the left angle bracket following the 682a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member name ('<'), if any. 683a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getLAngleLoc() const { 684096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 685a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 686c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 687096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 688a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 689c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 690a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments provided as part of this 691a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 692833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 693096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 694a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 695c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 696096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 697a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 698c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 699a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 700a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 701a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned getNumTemplateArgs() const { 702096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 703a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 704c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 705096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 706a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 707c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 708a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the right angle bracket following the 709a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template arguments ('>'). 710a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getRAngleLoc() const { 711096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) 712a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 713c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 714096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 715a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 716c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 71899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return T->getStmtClass() == DeclRefExprClass; 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 72377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 72477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 725663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis 72660adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 7273397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 730d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 731d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 732227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 733227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 734227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 735227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 736848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunction, 737848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// PrettyFunctionNoVirtual - The same as PrettyFunction, except that the 738848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// 'virtual' keyword is omitted for virtual member functions. 739848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunctionNoVirtual 740227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 7411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 742227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 743227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 744227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 745227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 747c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Expr(PredefinedExprClass, type, type->isDependentType(), 748773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson type->isDependentType()), Loc(l), Type(IT) {} 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty predefined expression. 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit PredefinedExpr(EmptyShell Empty) 75217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(PredefinedExprClass, Empty) { } 75317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 754227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 75517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setIdentType(IdentType IT) { Type = IT; } 75617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 75717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 75817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 75917fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 760848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson static std::string ComputeName(IdentType IT, const Decl *CurrentDecl); 7613a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 762227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 763227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == PredefinedExprClass; 766227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 767d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 77077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 77177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 772227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 773227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 7749996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// \brief Used by IntegerLiteral/FloatingLiteral to store the numeric without 7759996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// leaking memory. 7769996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// 7779996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// For large floats/integers, APFloat/APInt will allocate memory from the heap 7789996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// to represent these numbers. Unfortunately, when we use a BumpPtrAllocator 7799996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// to allocate IntegerLiteral/FloatingLiteral nodes the memory associated with 7809996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// the APFloat/APInt values will never get freed. APNumericStorage uses 7819996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis/// ASTContext's allocator for memory allocation. 7829996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APNumericStorage { 7839996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis unsigned BitWidth; 7849996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis union { 7859996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis uint64_t VAL; ///< Used to store the <= 64 bits integer value. 7869996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis uint64_t *pVal; ///< Used to store the >64 bits integer value. 7879996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis }; 7889996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7899996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis bool hasAllocation() const { return llvm::APInt::getNumWords(BitWidth) > 1; } 7909996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7919996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage(const APNumericStorage&); // do not implement 7929996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage& operator=(const APNumericStorage&); // do not implement 7939996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7949996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisprotected: 7959996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APNumericStorage() : BitWidth(0), VAL(0) { } 7969996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7979996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getIntValue() const { 7989996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis unsigned NumWords = llvm::APInt::getNumWords(BitWidth); 7999996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis if (NumWords > 1) 8009996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return llvm::APInt(BitWidth, NumWords, pVal); 8019996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis else 8029996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return llvm::APInt(BitWidth, VAL); 8039996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 8049996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setIntValue(ASTContext &C, const llvm::APInt &Val); 8059996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 8069996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 8079996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APIntStorage : public APNumericStorage { 8089996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 8099996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getValue() const { return getIntValue(); } 8109996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APInt &Val) { setIntValue(C, Val); } 8119996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 8129996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 8139996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidisclass APFloatStorage : public APNumericStorage { 8149996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 8159996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APFloat getValue() const { return llvm::APFloat(getIntValue()); } 8169996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APFloat &Val) { 8179996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setIntValue(C, Val.bitcastToAPInt()); 8189996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 8199996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis}; 8209996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 8229996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APIntStorage Num; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 8249996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 8259996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis /// \brief Construct an empty integer literal. 8269996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis explicit IntegerLiteral(EmptyShell Empty) 8279996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(IntegerLiteralClass, Empty) { } 8289996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 8329996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IntegerLiteral(ASTContext &C, const llvm::APInt &V, 8339996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis QualType type, SourceLocation l) 8349996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(IntegerLiteralClass, type, false, false), Loc(l) { 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 8369996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setValue(C, V); 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 838a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 8399996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 8409996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis // or UnsignedLongLongTy 8419996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static IntegerLiteral *Create(ASTContext &C, const llvm::APInt &V, 8429996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis QualType type, SourceLocation l); 8439996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static IntegerLiteral *Create(ASTContext &C, EmptyShell Empty); 8440b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 8459996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt getValue() const { return Num.getValue(); } 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 848313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Retrieve the location of the literal. 849313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLocation() const { return Loc; } 850313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 8519996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APInt &Val) { Num.setValue(C, Val); } 8520b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 8530b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IntegerLiteralClass; 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 86077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 86177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 867c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 870c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 8712333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CharacterLiteralClass, type, false, false), Value(value), Loc(l), 8722333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsWide(iswide) { 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8740b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 8750b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty character literal. 8760b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor CharacterLiteral(EmptyShell Empty) : Expr(CharacterLiteralClass, Empty) { } 8770b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 878018d8e0596dd57401eeddcf11ac84ff0a065fbbeChris Lattner SourceLocation getLocation() const { return Loc; } 879c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8850b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 8860b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setWide(bool W) { IsWide = W; } 8870b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(unsigned Val) { Value = Val; } 8880b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CharacterLiteralClass; 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 89377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 89477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 89577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 89677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 9009996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis APFloatStorage Num; 901720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 9039996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 9049996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis FloatingLiteral(ASTContext &C, const llvm::APFloat &V, bool isexact, 905720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 9069996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(FloatingLiteralClass, Type, false, false), 9079996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IsExact(isexact), Loc(L) { 9089996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis setValue(C, V); 9099996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 91117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty floating-point literal. 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit FloatingLiteral(EmptyShell Empty) 9139996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis : Expr(FloatingLiteralClass, Empty), IsExact(false) { } 91417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 9159996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidispublic: 9169996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static FloatingLiteral *Create(ASTContext &C, const llvm::APFloat &V, 9179996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis bool isexact, QualType Type, SourceLocation L); 9189996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis static FloatingLiteral *Create(ASTContext &C, EmptyShell Empty); 9199996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 9209996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APFloat getValue() const { return Num.getValue(); } 9219996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis void setValue(ASTContext &C, const llvm::APFloat &Val) { 9229996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Num.setValue(C, Val); 9239996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } 92417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 925720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 92617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setExact(bool E) { IsExact = E; } 927c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 928da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 929da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 930da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 931da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 93417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 93517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == FloatingLiteralClass; 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 9421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 94477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 94577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9485d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 9495d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 9505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 9515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 9525d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 9535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 9545549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 9555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 9565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 9572333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImaginaryLiteralClass, Ty, false, false), Val(val) {} 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 959cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Build an empty imaginary literal. 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImaginaryLiteral(EmptyShell Empty) 961cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ImaginaryLiteralClass, Empty) { } 962cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 9635549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 9645549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 965cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 966cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 9675d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 9681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImaginaryLiteralClass; 9705d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 9715d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9735d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 9745d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 9755d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 9765d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 9775d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 978e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 979e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 980e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 981a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 982c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// ConstantArrayType. In C++, the char type is const qualified, in C it is 983c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// not. 984690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// 985690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// Note that strings in C can be formed by concatenation of multiple string 9868bea7c0ee44c71c817de7dc2be932b73bec90c9fChris Lattner/// literal pptokens in translation phase #6. This keeps track of the locations 987690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// of each of these pieces. 988c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// 989c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// Strings in C can also be truncated and extended by assigning into arrays, 990c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// e.g. with constructs like: 991c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// char X[2] = "foobar"; 992c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// In this case, getByteLength() will return 6, but the string literal will 993c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// have type "char[2]". 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 9955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 998726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned NumConcatenated; 999726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation TokLocs[1]; 10002085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 10012333f7727f97018d6742e1e0938133bcfad967abEli Friedman StringLiteral(QualType Ty) : Expr(StringLiteralClass, Ty, false, false) {} 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10042085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// This is the "fully general" constructor that allows representation of 10052085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// strings formed from multiple concatenated tokens. 10062085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static StringLiteral *Create(ASTContext &C, const char *StrData, 10072085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, bool Wide, QualType Ty, 1008a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson const SourceLocation *Loc, unsigned NumStrs); 10092085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 10102085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// Simple constructor for string literals made from one token. 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static StringLiteral *Create(ASTContext &C, const char *StrData, 10122085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, 10132085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner bool Wide, QualType Ty, SourceLocation Loc) { 10142085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Create(C, StrData, ByteLength, Wide, Ty, &Loc, 1); 10152085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 1016a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 1017673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Construct an empty string literal. 1018673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor static StringLiteral *CreateEmpty(ASTContext &C, unsigned NumStrs); 1019673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1020b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef getString() const { 1021b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar return llvm::StringRef(StrData, ByteLength); 1022b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar } 10232f4eaef37476ae6891ede8ba215d0f6fd093629bBenjamin Kramer 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 1025673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1026673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Sets the string data to the given string data. 1027b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar void setString(ASTContext &C, llvm::StringRef Str); 1028673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 1030673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor void setWide(bool W) { IsWide = W; } 1031673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 10328d4141f83d9de379547cf05bd75d4c6cf894b189Steve Naroff bool containsNonAsciiOrNull() const { 1033b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef Str = getString(); 1034b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar for (unsigned i = 0, e = Str.size(); i != e; ++i) 1035b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar if (!isascii(Str[i]) || !Str[i]) 103633fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return true; 103733fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return false; 103833fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff } 1039726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// getNumConcatenated - Get the number of string literal tokens that were 1040726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// concatenated in translation phase #6 to form this string literal. 1041726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned getNumConcatenated() const { return NumConcatenated; } 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1043726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation getStrTokenLoc(unsigned TokNum) const { 1044726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner assert(TokNum < NumConcatenated && "Invalid tok number"); 1045726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner return TokLocs[TokNum]; 1046726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner } 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setStrTokenLoc(unsigned TokNum, SourceLocation L) { 1048673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor assert(TokNum < NumConcatenated && "Invalid tok number"); 1049673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor TokLocs[TokNum] = L; 1050673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor } 1051673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 1052b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner typedef const SourceLocation *tokloc_iterator; 1053b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_begin() const { return TokLocs; } 1054b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; } 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]); 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StringLiteralClass; 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 106477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 106577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 106677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 10735549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 1076898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ParenExprClass, val->getType(), 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump val->isTypeDependent(), val->isValueDependent()), 1078898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor L(l), R(r), Val(val) {} 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1080c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor /// \brief Construct an empty parenthesized expression. 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ParenExpr(EmptyShell Empty) 1082c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor : Expr(ParenExprClass, Empty) { } 1083c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 10845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 10855549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 1086c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 1087c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 1088866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1090313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the left parentheses '('. 1091313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLParen() const { return L; } 1092c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setLParen(SourceLocation Loc) { L = Loc; } 1093313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 1094313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the right parentheses ')'. 1095313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getRParen() const { return R; } 1096c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setRParen(SourceLocation Loc) { R = Loc; } 1097313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenExprClass; 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 110477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 110577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11090518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 11100518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 1112dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 1113dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 1114dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 1115dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 1116dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 1117dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 1118dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11215baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef UnaryOperatorKind Opcode; 11225baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 11240799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall unsigned Opc : 5; 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 11260799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Stmt *Val; 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 11309103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor : Expr(UnaryOperatorClass, type, 1131de7e66256b1bdfcf6526994825a8c8fced52a31cEli Friedman input->isTypeDependent() || type->isDependentType(), 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump input->isValueDependent()), 11330799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opc(opc), Loc(l), Val(input) {} 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11350b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Build an empty unary operator. 11361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit UnaryOperator(EmptyShell Empty) 11372de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(UnaryOperatorClass, Empty), Opc(UO_AddrOf) { } 11380b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 11390799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opcode getOpcode() const { return static_cast<Opcode>(Opc); } 11400b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 11410b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 11425549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 11430b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSubExpr(Expr *E) { Val = E; } 11440b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 11470b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { Loc = L; } 11480b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 11502085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPostfix(Opcode Op) { 11512de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op == UO_PostInc || Op == UO_PostDec; 11522085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11545a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 11552085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPrefix(Opcode Op) { 11562de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op == UO_PreInc || Op == UO_PreDec; 11572085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 11585a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 11590799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isPrefix() const { return isPrefix(getOpcode()); } 11600799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isPostfix() const { return isPostfix(getOpcode()); } 11612de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isIncrementOp() const { 1162993cdca0fed7deb646e4654dfb2607227a497faaBenjamin Kramer return Opc == UO_PreInc || Opc == UO_PostInc; 11632de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 11642de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isIncrementDecrementOp() const { 1165993cdca0fed7deb646e4654dfb2607227a497faaBenjamin Kramer return Opc <= UO_PreDec; 11662de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 11672de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isArithmeticOp(Opcode Op) { 11682de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Op >= UO_Plus && Op <= UO_LNot; 11692de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 11700799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isArithmeticOp() const { return isArithmeticOp(getOpcode()); } 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1176bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the unary opcode that corresponds to the given 1177bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// overloaded operator. 1178bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix); 1179bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 1180bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 1181bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// the given unary opcode. 1182bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 1183bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == UnaryOperatorClass; 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 119777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 119877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 119977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12028ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// OffsetOfExpr - [C99 7.17] - This represents an expression of the form 12038ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// offsetof(record-type, member-designator). For example, given: 12048ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// @code 12058ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct S { 12068ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// float f; 1207c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt/// double d; 12088ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// }; 12098ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct T { 12108ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// int i; 12118ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// struct S s[10]; 12128ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// }; 12138ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor/// @endcode 1214c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt/// we can represent and evaluate the expression @c offsetof(struct T, s[2].d). 12158ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 12168ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorclass OffsetOfExpr : public Expr { 12178ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorpublic: 12188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // __builtin_offsetof(type, identifier(.identifier|[expr])*) 12198ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor class OffsetOfNode { 12208ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor public: 12218ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The kind of offsetof node we have. 12228ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor enum Kind { 1223cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief An index into an array. 12248ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Array = 0x00, 1225cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief A field. 12268ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Field = 0x01, 1227cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief A field in a dependent type, known only by its name. 1228cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor Identifier = 0x02, 1229cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief An implicit indirection through a C++ base class, when the 1230cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// field found is in a base class. 1231cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor Base = 0x03 12328ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor }; 12338ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 12348ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor private: 12358ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor enum { MaskBits = 2, Mask = 0x03 }; 1236c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12378ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The source range that covers this part of the designator. 12388ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceRange Range; 1239c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12408ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief The data describing the designator, which comes in three 12418ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// different forms, depending on the lower two bits. 1242c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// - An unsigned index into the array of Expr*'s stored after this node 12438ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// in memory, for [constant-expression] designators. 12448ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// - A FieldDecl*, for references to a known field. 12458ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// - An IdentifierInfo*, for references to a field with a given name 12468ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// when the class type is dependent. 1247c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// - A CXXBaseSpecifier*, for references that look at a field in a 1248cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// base class. 12498ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor uintptr_t Data; 1250c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12518ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor public: 12528ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to an array element. 1253c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode(SourceLocation LBracketLoc, unsigned Index, 12548ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RBracketLoc) 12558ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor : Range(LBracketLoc, RBracketLoc), Data((Index << 2) | Array) { } 1256c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12578ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to a field. 1258c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode(SourceLocation DotLoc, FieldDecl *Field, 12598ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation NameLoc) 1260c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Range(DotLoc.isValid()? DotLoc : NameLoc, NameLoc), 12618ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Data(reinterpret_cast<uintptr_t>(Field) | OffsetOfNode::Field) { } 1262c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12638ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Create an offsetof node that refers to an identifier. 12648ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor OffsetOfNode(SourceLocation DotLoc, IdentifierInfo *Name, 12658ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation NameLoc) 1266c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Range(DotLoc.isValid()? DotLoc : NameLoc, NameLoc), 12678ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Data(reinterpret_cast<uintptr_t>(Name) | Identifier) { } 1268cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor 1269cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief Create an offsetof node that refers into a C++ base class. 1270cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor explicit OffsetOfNode(const CXXBaseSpecifier *Base) 1271cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor : Range(), Data(reinterpret_cast<uintptr_t>(Base) | OffsetOfNode::Base) {} 1272c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12738ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Determine what kind of offsetof node this is. 1274c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Kind getKind() const { 12758ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return static_cast<Kind>(Data & Mask); 12768ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1277c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12788ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For an array element node, returns the index into the array 12798ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// of expressions. 12808ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getArrayExprIndex() const { 12818ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(getKind() == Array); 12828ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return Data >> 2; 12838ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 12848ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 12858ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For a field offsetof node, returns the field. 12868ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor FieldDecl *getField() const { 12878ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(getKind() == Field); 1288cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor return reinterpret_cast<FieldDecl *>(Data & ~(uintptr_t)Mask); 12898ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1290c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 12918ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief For a field or identifier offsetof node, returns the name of 12928ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// the field. 12938ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor IdentifierInfo *getFieldName() const; 1294c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1295cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor /// \brief For a base class node, returns the base specifier. 1296cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor CXXBaseSpecifier *getBase() const { 1297cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor assert(getKind() == Base); 1298c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return reinterpret_cast<CXXBaseSpecifier *>(Data & ~(uintptr_t)Mask); 1299cc8a5d5f90bbbbcb46f342117b851b7e07ec34f1Douglas Gregor } 1300c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13018ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Retrieve the source range that covers this offsetof node. 13028ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// 13038ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// For an array element node, the source range contains the locations of 13048ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// the square brackets. For a field or identifier node, the source range 1305c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt /// contains the location of the period (if there is one) and the 13068ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// identifier. 13078ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceRange getRange() const { return Range; } 13088ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor }; 13098ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13108ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorprivate: 1311c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13128ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, RParenLoc; 13138ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Base type; 13148ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TypeSourceInfo *TSInfo; 13158ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Number of sub-components (i.e. instances of OffsetOfNode). 13168ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumComps; 13178ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Number of sub-expressions (i.e. array subscript expressions). 13188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumExprs; 1319c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1320c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfExpr(ASTContext &C, QualType type, 13218ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, TypeSourceInfo *tsi, 1322c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode* compsPtr, unsigned numComps, 13238ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr** exprsPtr, unsigned numExprs, 13248ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc); 13258ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13268ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor explicit OffsetOfExpr(unsigned numComps, unsigned numExprs) 13278ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor : Expr(OffsetOfExprClass, EmptyShell()), 1328c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt TSInfo(0), NumComps(numComps), NumExprs(numExprs) {} 13298ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13308ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregorpublic: 1331c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1332c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt static OffsetOfExpr *Create(ASTContext &C, QualType type, 1333c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt SourceLocation OperatorLoc, TypeSourceInfo *tsi, 1334c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OffsetOfNode* compsPtr, unsigned numComps, 13358ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr** exprsPtr, unsigned numExprs, 13368ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc); 13378ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 1338c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt static OffsetOfExpr *CreateEmpty(ASTContext &C, 13398ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned NumComps, unsigned NumExprs); 13408ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13418ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// getOperatorLoc - Return the location of the operator. 13428ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 13438ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setOperatorLoc(SourceLocation L) { OperatorLoc = L; } 13448ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13458ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /// \brief Return the location of the right parentheses. 13468ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 13478ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setRParenLoc(SourceLocation R) { RParenLoc = R; } 1348c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13498ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 13508ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return TSInfo; 13518ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13528ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setTypeSourceInfo(TypeSourceInfo *tsi) { 13538ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor TSInfo = tsi; 13548ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1355c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13568ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor const OffsetOfNode &getComponent(unsigned Idx) { 13578ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 13588ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return reinterpret_cast<OffsetOfNode *> (this + 1)[Idx]; 13598ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13608ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13618ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setComponent(unsigned Idx, OffsetOfNode ON) { 13628ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 13638ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *> (this + 1)[Idx] = ON; 13648ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1365c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13668ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getNumComponents() const { 13678ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return NumComps; 13688ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13698ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13708ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor Expr* getIndexExpr(unsigned Idx) { 13718ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumExprs && "Subscript out of range"); 13728ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return reinterpret_cast<Expr **>( 13738ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *>(this+1) + NumComps)[Idx]; 13748ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13758ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13768ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void setIndexExpr(unsigned Idx, Expr* E) { 13778ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(Idx < NumComps && "Subscript out of range"); 13788ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<Expr **>( 13798ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor reinterpret_cast<OffsetOfNode *>(this+1) + NumComps)[Idx] = E; 13808ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1381c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13828ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned getNumExpressions() const { 13838ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return NumExprs; 13848ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13858ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13868ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor virtual SourceRange getSourceRange() const { 13878ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return SourceRange(OperatorLoc, RParenLoc); 13888ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13898ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13908ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor static bool classof(const Stmt *T) { 13918ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return T->getStmtClass() == OffsetOfExprClass; 13928ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13938ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13948ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor static bool classof(const OffsetOfExpr *) { return true; } 13958ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13968ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor // Iterators 13978ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor virtual child_iterator child_begin(); 13988ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor virtual child_iterator child_end(); 13998ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor}; 14008ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 14010518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 14020518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 14030518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 14040518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 14050518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 1406d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl union { 1407a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *Ty; 1408d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl Stmt *Ex; 1409d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } Argument; 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 141142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1413a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall SizeOfAlignOfExpr(bool issizeof, TypeSourceInfo *TInfo, 14140518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 14150518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 14162850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl Expr(SizeOfAlignOfExprClass, resultType, 1417ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 14182850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // Value-dependent if the argument is type-dependent. 1419a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo->getType()->isDependentType()), 1420ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(true), OpLoc(op), RParenLoc(rp) { 1421a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 1422ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor } 1423ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr(bool issizeof, Expr *E, 1425ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor QualType resultType, SourceLocation op, 1426ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor SourceLocation rp) : 1427ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Expr(SizeOfAlignOfExprClass, resultType, 1428ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 1429ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor // Value-dependent if the argument is type-dependent. 1430ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor E->isTypeDependent()), 1431ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(false), OpLoc(op), RParenLoc(rp) { 1432ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Argument.Ex = E; 1433d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } 14340518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 14350b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Construct an empty sizeof/alignof expression. 14360b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor explicit SizeOfAlignOfExpr(EmptyShell Empty) 14370b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(SizeOfAlignOfExprClass, Empty) { } 14380b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 14400b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSizeof(bool S) { isSizeof = S; } 14410b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14420518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 14430518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 14445ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return getArgumentTypeInfo()->getType(); 14455ab75172051a6d2ea71a80a79e81c65519fd3462John McCall } 1446a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *getArgumentTypeInfo() const { 14470518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 14485ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return Argument.Ty; 14490518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1450caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner Expr *getArgumentExpr() { 14510518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 1452d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl return static_cast<Expr*>(Argument.Ex); 14530518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1454caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner const Expr *getArgumentExpr() const { 1455caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner return const_cast<SizeOfAlignOfExpr*>(this)->getArgumentExpr(); 1456caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner } 14570b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14580b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setArgument(Expr *E) { Argument.Ex = E; isType = false; } 1459a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall void setArgument(TypeSourceInfo *TInfo) { 1460a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 14611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isType = true; 14620b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor } 14630b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14640518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 14650518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 14660518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 14670518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 14680518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 14690518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 147076e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 14710b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 14720b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 14730b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14740b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1475866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1476866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1477866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 1478866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 14811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SizeOfAlignOfExprClass; 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14830518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 148677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 148777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 14915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 14925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 14955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 149677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15002324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 150173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 15022850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl : Expr(ArraySubscriptExprClass, t, 15032850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isTypeDependent() || rhs->isTypeDependent(), 15042850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isValueDependent() || rhs->isValueDependent()), 15052850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl RBracketLoc(rbracketloc) { 150673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 150773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 150873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1510cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Create an empty array subscript expression. 1511cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor explicit ArraySubscriptExpr(EmptyShell Shell) 1512cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ArraySubscriptExprClass, Shell) { } 1513cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 15142324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 15152324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 15162324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 15172324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 15182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 151933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 152033fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 152133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 152233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 15235549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 15245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1525cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 1526cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 15275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 15285549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1529cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 15301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getBase() { 15325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 153377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getBase() const { 15365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 15372324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getIdx() { 15405549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 15412324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 15445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 15451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 154877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1551026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRBracketLoc() const { return RBracketLoc; } 1552cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } 1553cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 15545cd9d6daf3acd4cc87fecebd81d9495b9e4ba9cdChris Lattner virtual SourceLocation getExprLoc() const { return getBase()->getExprLoc(); } 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ArraySubscriptExprClass; 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 156277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 156377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1567b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 1569b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 15701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// results in a function call. For example, CXXOperatorCallExpr is 1571b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 1572b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 15735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 157477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 15755549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 1580b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 1581668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr(ASTContext& C, StmtClass SC, Expr *fn, Expr **args, unsigned numargs, 1582668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek QualType t, SourceLocation rparenloc); 158342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 15845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs, QualType t, 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 15871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15881f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty call expression. 1589ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty); 15901f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 15915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 15925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 159318b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 1594a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1595d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes Decl *getCalleeDecl(); 1596d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes const Decl *getCalleeDecl() const { 1597d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return const_cast<CallExpr*>(this)->getCalleeDecl(); 1598d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes } 1599d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1600a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu /// \brief If the callee is a FunctionDecl, return it. Otherwise return 0. 1601a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu FunctionDecl *getDirectCallee(); 1602bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner const FunctionDecl *getDirectCallee() const { 1603bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return const_cast<CallExpr*>(this)->getDirectCallee(); 1604bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 1605a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 16135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 16145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 16175549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1620934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1621934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1622934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1623934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1624934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 16251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1626d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 1627d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 1628d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 16298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void setNumArgs(ASTContext& C, unsigned NumArgs); 16301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16315549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 16325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 16331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1634d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 1635d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 16365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 16375549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 16381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 16405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 16415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1643cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 1644cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 16453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned isBuiltinCall(ASTContext &Context) const; 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getCallReturnType - Get the return type of the call expr. This is not 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// always the type of the expr itself, if the return type is a reference 16496dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson /// type. 16506dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType getCallReturnType() const; 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1652d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 16531f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1654866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 16551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 165677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 16575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 16604bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstCallExprConstant && 16614bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastCallExprConstant; 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 166488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 166577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 166677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 166777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 16685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1670ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. X->F and X.F. 16715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 16736bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// Extra data stored in some member expressions. 16746bb8017bb9e828d118e15e59d71c66bba323c364John McCall struct MemberNameQualifier : public NameQualifier { 1675161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair FoundDecl; 16766bb8017bb9e828d118e15e59d71c66bba323c364John McCall }; 16776bb8017bb9e828d118e15e59d71c66bba323c364John McCall 1678ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// Base - the expression for the base pointer or structure references. In 1679ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// X.F, this is "X". 16805549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 16811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1682ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberDecl - This is the decl being referenced by the field/member name. 1683ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// In X.F, this is the decl referenced by F. 1684f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *MemberDecl; 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1686ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberLoc - This is the location of the member name. 16875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// MemberDNLoc - Provides source/type location info for the 16902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// declaration name embedded in MemberDecl. 16912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc MemberDNLoc; 16922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 1693ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// IsArrow - True if this is "X->F", false if this is "X.F". 169483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool IsArrow : 1; 16951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief True if this member expression used a nested-name-specifier to 16976bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// refer to the member, e.g., "x->Base::f", or found its member via a using 16986bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// declaration. When true, a MemberNameQualifier 1699c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure is allocated immediately after the MemberExpr. 17006bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool HasQualifierOrFoundDecl : 1; 17011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1702c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief True if this member expression specified a template argument list 1703c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// explicitly, e.g., x->f<int>. When true, an ExplicitTemplateArgumentList 1704c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure (and its TemplateArguments) are allocated immediately after 1705c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the MemberExpr or, if the member expression also has a qualifier, after 17066bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// the MemberNameQualifier structure. 1707c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor bool HasExplicitTemplateArgumentList : 1; 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 17106bb8017bb9e828d118e15e59d71c66bba323c364John McCall MemberNameQualifier *getMemberQualifier() { 17116bb8017bb9e828d118e15e59d71c66bba323c364John McCall assert(HasQualifierOrFoundDecl); 17126bb8017bb9e828d118e15e59d71c66bba323c364John McCall return reinterpret_cast<MemberNameQualifier *> (this + 1); 171383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 171483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 171583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 17166bb8017bb9e828d118e15e59d71c66bba323c364John McCall const MemberNameQualifier *getMemberQualifier() const { 1717c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getMemberQualifier(); 1718c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 17191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1721f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 17222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, QualType ty) 17232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara : Expr(MemberExprClass, ty, 17242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara base->isTypeDependent(), base->isValueDependent()), 17252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Base(base), MemberDecl(memberdecl), MemberLoc(NameInfo.getLoc()), 17262577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberDNLoc(NameInfo.getInfo()), IsArrow(isarrow), 17272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false) { 17282577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(memberdecl->getDeclName() == NameInfo.getName()); 17292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 17302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 17312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // NOTE: this constructor should be used only when it is known that 17322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // the member name can not provide additional syntactic info 17332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // (i.e., source locations for C++ operator names or type source info 17342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // for constructors, destructors and conversion oeprators). 17352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 1736f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman SourceLocation l, QualType ty) 17371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(MemberExprClass, ty, 1738ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson base->isTypeDependent(), base->isValueDependent()), 17392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Base(base), MemberDecl(memberdecl), MemberLoc(l), MemberDNLoc(), 17402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara IsArrow(isarrow), 17416bb8017bb9e828d118e15e59d71c66bba323c364John McCall HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false) {} 1742510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static MemberExpr *Create(ASTContext &C, Expr *base, bool isarrow, 174483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor NestedNameSpecifier *qual, SourceRange qualrange, 1745161755a09898c95d21bfff33707da9ca41cd53c5John McCall ValueDecl *memberdecl, DeclAccessPair founddecl, 17462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 1747d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 1748c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor QualType ty); 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 175088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor void setBase(Expr *E) { Base = E; } 17515549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 175257e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor 175357e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// \brief Retrieve the member declaration to which this expression refers. 175457e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// 175557e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// The returned declaration will either be a FieldDecl or (in C++) 175657e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// a CXXMethodDecl. 1757f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *getMemberDecl() const { return MemberDecl; } 1758f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman void setMemberDecl(ValueDecl *D) { MemberDecl = D; } 17591f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 17606bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// \brief Retrieves the declaration found by lookup. 1761161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair getFoundDecl() const { 17626bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 1763161755a09898c95d21bfff33707da9ca41cd53c5John McCall return DeclAccessPair::make(getMemberDecl(), 1764161755a09898c95d21bfff33707da9ca41cd53c5John McCall getMemberDecl()->getAccess()); 17656bb8017bb9e828d118e15e59d71c66bba323c364John McCall return getMemberQualifier()->FoundDecl; 17666bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 17676bb8017bb9e828d118e15e59d71c66bba323c364John McCall 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 17690979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 17700979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// x->Base::foo. 17716bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool hasQualifier() const { return getQualifier() != 0; } 17721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief If the member name was qualified, retrieves the source range of 177483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// the nested-name-specifier that precedes the member name. Otherwise, 177583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// returns an empty source range. 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceRange getQualifierRange() const { 17776bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 177883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return SourceRange(); 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 178083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->Range; 178183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 17821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 178483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 178583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// NULL. 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *getQualifier() const { 17876bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 178883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 17891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->NNS; 179183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 1792c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor 1793c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 1794c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 1795096832c5ed5b9106fa177ebc148489760c3bc496John McCall bool hasExplicitTemplateArgs() const { 17961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return HasExplicitTemplateArgumentList; 1797c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 17981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1799d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 1800d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 1801d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1802096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (hasExplicitTemplateArgs()) 1803096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 1804096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1805096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1806096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that 1807096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// follow the member template name. This must only be called on an 1808096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// expression with explicit template arguments. 1809096832c5ed5b9106fa177ebc148489760c3bc496John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 1810096832c5ed5b9106fa177ebc148489760c3bc496John McCall assert(HasExplicitTemplateArgumentList); 1811096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!HasQualifierOrFoundDecl) 1812096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 1813096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1814096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>( 1815096832c5ed5b9106fa177ebc148489760c3bc496John McCall getMemberQualifier() + 1); 1816096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1817096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1818096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieve the explicit template argument list that 1819096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// followed the member template name. This must only be called on 1820096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// an expression with explicit template arguments. 1821096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1822096832c5ed5b9106fa177ebc148489760c3bc496John McCall return const_cast<MemberExpr *>(this)->getExplicitTemplateArgs(); 1823096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1824096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1825096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1826096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1827096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1828096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() const { 1829096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1830096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1831d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1832c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 18331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 1834c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member name ('<'), if any. 18351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 1836c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1837c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 18381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1839096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 1840c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 18411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1842c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 1843c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 1844833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 1845c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 18471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1848096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1849c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 18501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1851c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 1852c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 1854c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 18551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 18561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1857096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1858c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 18591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 1861c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template arguments ('>'). 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 1863c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1864c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 18651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1866096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 1867c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the member declaration name info. 18702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo getMemberNameInfo() const { 18712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(MemberDecl->getDeclName(), 18722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara MemberLoc, MemberDNLoc); 18732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 18742577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 18761f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setArrow(bool A) { IsArrow = A; } 18771f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1878ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// getMemberLoc - Return the location of the "member", in X->F, it is the 1879ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// location of 'F'. 1880026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getMemberLoc() const { return MemberLoc; } 18811f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setMemberLoc(SourceLocation L) { MemberLoc = L; } 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 188472527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // If we have an implicit base (like a C++ implicit this), 188572527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // make sure not to return its location 18862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation EndLoc = (HasExplicitTemplateArgumentList) 18872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ? getRAngleLoc() : getMemberNameInfo().getEndLoc(); 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188972527137c521ad9330ecb81ccd841159719dc8cdEli Friedman SourceLocation BaseLoc = getBase()->getLocStart(); 189072527137c521ad9330ecb81ccd841159719dc8cdEli Friedman if (BaseLoc.isInvalid()) 1891c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(MemberLoc, EndLoc); 1892c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(BaseLoc, EndLoc); 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 189883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return T->getStmtClass() == MemberExprClass; 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 19011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19021237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 19031237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 19041237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 19055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CompoundLiteralExpr - [C99 6.5.2.5] 1908aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 1909aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 19100fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 19110fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 19120fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 19130fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 19141d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall 19151d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// The type as written. This can be an incomplete array type, in 19161d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// which case the actual expression type will be different. 191742f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *TInfo; 19185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 1919e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 1920aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 19212333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can compound literals be value-dependent? 192242f56b50062cd3b3c6b23fdb9053578ae9145664John McCall CompoundLiteralExpr(SourceLocation lparenloc, TypeSourceInfo *tinfo, 19231d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall QualType T, Expr *init, bool fileScope) 19241d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall : Expr(CompoundLiteralExprClass, T, 192542f56b50062cd3b3c6b23fdb9053578ae9145664John McCall tinfo->getType()->isDependentType(), false), 192642f56b50062cd3b3c6b23fdb9053578ae9145664John McCall LParenLoc(lparenloc), TInfo(tinfo), Init(init), FileScope(fileScope) {} 19271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1928ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor /// \brief Construct an empty compound literal. 1929ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor explicit CompoundLiteralExpr(EmptyShell Empty) 1930ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor : Expr(CompoundLiteralExprClass, Empty) { } 1931ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 19325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 19335549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 1934ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setInitializer(Expr *E) { Init = E; } 1935e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 1936e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 1937ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setFileScope(bool FS) { FileScope = FS; } 1938ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 19390fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 1940ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 1941ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 194242f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *getTypeSourceInfo() const { return TInfo; } 194342f56b50062cd3b3c6b23fdb9053578ae9145664John McCall void setTypeSourceInfo(TypeSourceInfo* tinfo) { TInfo = tinfo; } 194442f56b50062cd3b3c6b23fdb9053578ae9145664John McCall 194573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 19460fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 19470fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 19480fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 19490fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 195073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 19510fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 195273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 1953aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 19541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 19551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundLiteralExprClass; 1956aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 1957aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 19581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19591237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 19601237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 19611237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1962aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 1963aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 196449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 196549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 196649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 196749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 19680835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 1969cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonpublic: 19705baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef clang::CastKind CastKind; 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1972cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonprivate: 1973f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned Kind : 5; 1974f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned BasePathSize : BitsRemaining - 5; 19750835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 1976409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson 19777ab9d574d27ecee1f130e5755aa403e5ab529b6bAnders Carlsson void CheckBasePath() const { 1978409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson#ifndef NDEBUG 1979409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson switch (getCastKind()) { 19805cf86ba6b5a724bf91cb52feade1158f1fbeb605Anders Carlsson case CK_DerivedToBase: 1981cee22421929c91b481f4d1bb85cd48c0f6b7510bAnders Carlsson case CK_UncheckedDerivedToBase: 1982cee22421929c91b481f4d1bb85cd48c0f6b7510bAnders Carlsson case CK_DerivedToBaseMemberPointer: 1983409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_BaseToDerived: 1984409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_BaseToDerivedMemberPointer: 1985f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall assert(!path_empty() && "Cast kind should have a base path!"); 1986f9d68e1dd015972318b2448f75115ff4fc3d5008Anders Carlsson break; 1987409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson 1988409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson // These should not have an inheritance path. 1989409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_Unknown: 1990409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_BitCast: 1991e39a3894513349908cdb3beba2614e53cb288e6cDouglas Gregor case CK_LValueBitCast: 1992409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_NoOp: 1993409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_Dynamic: 1994409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_ToUnion: 1995409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_ArrayToPointerDecay: 1996409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_FunctionToPointerDecay: 1997409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_NullToMemberPointer: 1998409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_UserDefinedConversion: 1999409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_ConstructorConversion: 2000409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_IntegralToPointer: 2001409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_PointerToIntegral: 2002409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_ToVoid: 2003409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_VectorSplat: 2004409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_IntegralCast: 2005409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_IntegralToFloating: 2006409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_FloatingToIntegral: 2007409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_FloatingCast: 2008409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_MemberPointerToBoolean: 2009409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_AnyPointerToObjCPointerCast: 2010409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson case CK_AnyPointerToBlockPointerCast: 2011569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor case CK_ObjCObjectLValueCast: 2012f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall assert(path_empty() && "Cast kind should not have a base path!"); 2013409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson break; 2014409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson } 2015409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson#endif 2016409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson } 2017409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson 2018f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXBaseSpecifier * const *path_buffer() const { 2019f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return const_cast<CastExpr*>(this)->path_buffer(); 2020f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall } 2021f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXBaseSpecifier **path_buffer(); 2022f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 20230835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 2024409c99edb8b623403fade6f3a9e9c86acda74455Anders Carlsson CastExpr(StmtClass SC, QualType ty, const CastKind kind, Expr *op, 2025f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned BasePathSize) : 2026898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(SC, ty, 2027898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are type-dependent if the type is 2028898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent (C++ [temp.dep.expr]p3). 2029898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ty->isDependentType(), 2030898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are value-dependent if the type is 2031898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent or if the subexpression is value-dependent. 20321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ty->isDependentType() || (op && op->isValueDependent())), 2033f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Kind(kind), BasePathSize(BasePathSize), Op(op) { 2034f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CheckBasePath(); 2035f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall } 20361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2037087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty cast. 2038f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastExpr(StmtClass SC, EmptyShell Empty, unsigned BasePathSize) 2039f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : Expr(SC, Empty), BasePathSize(BasePathSize) { } 20401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20410835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 2042f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind getCastKind() const { return static_cast<CastKind>(Kind); } 2043cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson void setCastKind(CastKind K) { Kind = K; } 2044f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson const char *getCastKindName() const; 2045f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 20460835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 20470835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 2048087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor void setSubExpr(Expr *E) { Op = E; } 2049087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 20506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Retrieve the cast subexpression as it was written in the source 20516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// code, looking through any implicit casts or other intermediate nodes 20526eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// introduced by semantic analysis. 20536eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *getSubExprAsWritten(); 20546eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *getSubExprAsWritten() const { 20556eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return const_cast<CastExpr *>(this)->getSubExprAsWritten(); 20566eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 205741b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson 2058f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall typedef CXXBaseSpecifier **path_iterator; 2059f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall typedef const CXXBaseSpecifier * const *path_const_iterator; 2060f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall bool path_empty() const { return BasePathSize == 0; } 2061f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned path_size() const { return BasePathSize; } 2062f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_iterator path_begin() { return path_buffer(); } 2063f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_iterator path_end() { return path_buffer() + path_size(); } 2064f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_const_iterator path_begin() const { return path_buffer(); } 2065f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall path_const_iterator path_end() const { return path_buffer() + path_size(); } 2066f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2067f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void setCastPath(const CXXCastPath &Path); 206841b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson 20691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20704bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstCastExprConstant && 20714bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastCastExprConstant; 20720835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 20730835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 20741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20750835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 20760835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 20770835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 20780835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 20790835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 208049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 208149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 208249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 208349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 208449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 2085bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 2086bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 2087906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// an lvalue or xvalue. For example: 2088bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 2089bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 2090bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 2091bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 2092906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Derived &&ref(); 20931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// void f(Derived d) { 2094906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Base& b = d; // initializer is an ImplicitCastExpr 2095906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// // to an lvalue of type Base 2096906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// Base&& r = ref(); // initializer is an ImplicitCastExpr 2097906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// // to an xvalue of type Base 2098bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 2099bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 21000835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 2101906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redlprivate: 2102f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr(QualType ty, CastKind kind, Expr *op, 21035baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall unsigned BasePathLength, ExprValueKind VK) 21045baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall : CastExpr(ImplicitCastExprClass, ty, kind, op, BasePathLength) { 21055baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ValueKind = VK; 21065baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall } 210790045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 2108087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty implicit cast. 2109f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit ImplicitCastExpr(EmptyShell Shell, unsigned PathSize) 2110f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CastExpr(ImplicitCastExprClass, Shell, PathSize) { } 2111f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2112f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 2113f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall enum OnStack_t { OnStack }; 2114f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr(OnStack_t _, QualType ty, CastKind kind, Expr *op, 21155baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind VK) 21165baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall : CastExpr(ImplicitCastExprClass, ty, kind, op, 0) { 21175baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ValueKind = VK; 21185baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall } 2119f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2120f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static ImplicitCastExpr *Create(ASTContext &Context, QualType T, 2121f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Operand, 2122f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *BasePath, 21235baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind Cat); 2124f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2125f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static ImplicitCastExpr *CreateEmpty(ASTContext &Context, unsigned PathSize); 2126087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 21270835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 21280835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 21290835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 213090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 21315baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall /// getValueKind - The value kind that this cast produces. 21325baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind getValueKind() const { 21335baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall return static_cast<ExprValueKind>(ValueKind); 21345baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall } 2135eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 21365baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall /// setValueKind - Set the value kind this cast produces. 21375baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall void setValueKind(ExprValueKind Cat) { ValueKind = Cat; } 2138eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImplicitCastExprClass; 214149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 214249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 214349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 214449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 214549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// code. 214749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 214849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 214949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 215049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 215149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 215249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 21535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 215449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 215549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 215649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 215749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 215849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 2159906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// expression will be an lvalue or xvalue. The reference type, however, 2160906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl/// will not be used as the type of the expression. 21610835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 21629d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// TInfo - Source type info for the (written) type 21639d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// this expression is casting to. 21649d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo; 216549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 216649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 2167c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ExplicitCastExpr(StmtClass SC, QualType exprTy, CastKind kind, 2168f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *op, unsigned PathSize, TypeSourceInfo *writtenTy) 2169f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CastExpr(SC, exprTy, kind, op, PathSize), TInfo(writtenTy) {} 217049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 2171db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty explicit cast. 2172f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ExplicitCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 2173f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CastExpr(SC, Shell, PathSize) { } 2174db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 217549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 21769d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// getTypeInfoAsWritten - Returns the type source info for the type 21779d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// that this expression is casting to. 21789d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *getTypeInfoAsWritten() const { return TInfo; } 21799d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall void setTypeInfoAsWritten(TypeSourceInfo *writtenTy) { TInfo = writtenTy; } 21809d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 218149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 218249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 21839d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall QualType getTypeAsWritten() const { return TInfo->getType(); } 218449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 21864bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return T->getStmtClass() >= firstExplicitCastExprConstant && 21874bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt T->getStmtClass() <= lastExplicitCastExprConstant; 218849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 218949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 219049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 219149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 21926eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 219349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 219449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 21956eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 2196b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 2197b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 2198f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 21999d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr(QualType exprTy, CastKind kind, Expr *op, 2200f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize, TypeSourceInfo *writtenTy, 220141b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson SourceLocation l, SourceLocation r) 2202f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CStyleCastExprClass, exprTy, kind, op, PathSize, 220341b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson writtenTy), LPLoc(l), RPLoc(r) {} 220449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 2205db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty C-style explicit cast. 2206f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CStyleCastExpr(EmptyShell Shell, unsigned PathSize) 2207f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CStyleCastExprClass, Shell, PathSize) { } 2208f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2209f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 2210f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CStyleCastExpr *Create(ASTContext &Context, QualType T, CastKind K, 2211f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *Op, const CXXCastPath *BasePath, 2212f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *WrittenTy, SourceLocation L, 2213f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation R); 2214f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 2215f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CStyleCastExpr *CreateEmpty(ASTContext &Context, unsigned PathSize); 2216db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 2217b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 2218db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLParenLoc(SourceLocation L) { LPLoc = L; } 2219db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 2220b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 2221db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRParenLoc(SourceLocation L) { RPLoc = L; } 2222db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 22235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2224b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 22255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CStyleCastExprClass; 22285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22296eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 22305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22323fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A builtin binary operation expression such as "x + y" or "x <= y". 22333fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 22343fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// This expression node kind describes a builtin binary operation, 22353fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// such as "x + y" for integer values "x" and "y". The operands will 22363fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// already have been converted to appropriate types (e.g., by 22373fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// performing promotions or conversions). 22383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 22393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In C++, where operators may be overloaded, a different kind of 22403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// expression node (CXXOperatorCallExpr) is used to express the 22413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// invocation of an overloaded operator with operator syntax. Within 22423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// a C++ template, whether BinaryOperator or CXXOperatorCallExpr is 22433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to store an expression "x + y" depends on the subexpressions 22443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// for x and y. If neither x or y is type-dependent, and the "+" 22453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// operator resolves to a built-in operation, BinaryOperator will be 22463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to express the computation (x and y may still be 22473fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// value-dependent). If either x or y is type-dependent, or if the 22483fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// "+" resolves to an overloaded operator, CXXOperatorCallExpr will 22493fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// be used to express the computation. 22505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 22515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22525baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall typedef BinaryOperatorKind Opcode; 22535baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall 225417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 22550799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall unsigned Opc : 6; 22560799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall SourceLocation OpLoc; 22570799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall 225817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 22595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 22611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 226217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 226317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 2264898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(BinaryOperatorClass, ResTy, 2265898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor lhs->isTypeDependent() || rhs->isTypeDependent(), 22661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump lhs->isValueDependent() || rhs->isValueDependent()), 2267898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Opc(opc), OpLoc(opLoc) { 22681237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 22691237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!isCompoundAssignmentOp() && 22715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 22725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2274db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty binary operator. 22751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit BinaryOperator(EmptyShell Empty) 22762de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(BinaryOperatorClass, Empty), Opc(BO_Comma) { } 2277db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 227817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 2279db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 2280db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 22810799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall Opcode getOpcode() const { return static_cast<Opcode>(Opc); } 2282db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 2283db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 22845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 2285db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 22865549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2287db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 2288db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 22895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 22905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 22915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 22945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 22955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 22965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22970799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall const char *getOpcodeStr() const { return getOpcodeStr(getOpcode()); } 2298a84c02d0f4d63975a1c52b9bb8308d88e9d79352Ted Kremenek 2299063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the binary opcode that corresponds to the given 2300063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// overloaded operator. 2301063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO); 2302063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 2303063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 2304063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// the given binary opcode. 2305063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 2306063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 23075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 2308200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl bool isPtrMemOp() const { return Opc == BO_PtrMemD || Opc == BO_PtrMemI; } 23092de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isMultiplicativeOp() const { return Opc >= BO_Mul && Opc <= BO_Rem; } 23102de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isAdditiveOp(Opcode Opc) { return Opc == BO_Add || Opc==BO_Sub; } 23110799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isAdditiveOp() const { return isAdditiveOp(getOpcode()); } 23122de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isShiftOp(Opcode Opc) { return Opc == BO_Shl || Opc == BO_Shr; } 23130799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isShiftOp() const { return isShiftOp(getOpcode()); } 2314aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 23152de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isBitwiseOp(Opcode Opc) { return Opc >= BO_And && Opc <= BO_Or; } 23160799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isBitwiseOp() const { return isBitwiseOp(getOpcode()); } 2317f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 23182de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isRelationalOp(Opcode Opc) { return Opc >= BO_LT && Opc<=BO_GE; } 23190799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isRelationalOp() const { return isRelationalOp(getOpcode()); } 2320f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 23212de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isEqualityOp(Opcode Opc) { return Opc == BO_EQ || Opc == BO_NE; } 23220799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isEqualityOp() const { return isEqualityOp(getOpcode()); } 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23242de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isComparisonOp(Opcode Opc) { return Opc >= BO_LT && Opc<=BO_NE; } 23250799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isComparisonOp() const { return isComparisonOp(getOpcode()); } 2326aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 23272de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall static bool isLogicalOp(Opcode Opc) { return Opc == BO_LAnd || Opc==BO_LOr; } 23280799c53fc2bb7acf937c8a8e165033dba1a5aba3John McCall bool isLogicalOp() const { return isLogicalOp(getOpcode()); } 2329f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 23302de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isAssignmentOp() const { return Opc >= BO_Assign && Opc <= BO_OrAssign; } 23312de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isCompoundAssignmentOp() const { 23322de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Opc > BO_Assign && Opc <= BO_OrAssign; 23332de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 23342de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall bool isShiftAssignOp() const { 23352de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall return Opc == BO_ShlAssign || Opc == BO_ShrAssign; 23362de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall } 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 23394bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt return S->getStmtClass() >= firstBinaryOperatorConstant && 23404bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt S->getStmtClass() <= lastBinaryOperatorConstant; 23415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 23431237c673c07f9d827129ba02720108816abde562Ted Kremenek 23441237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 23451237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 23461237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 23471237c673c07f9d827129ba02720108816abde562Ted Kremenek 23485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 234917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 23502333f7727f97018d6742e1e0938133bcfad967abEli Friedman SourceLocation opLoc, bool dead) 23512333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CompoundAssignOperatorClass, ResTy, 23522333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isTypeDependent() || rhs->isTypeDependent(), 23532333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isValueDependent() || rhs->isValueDependent()), 23542333f7727f97018d6742e1e0938133bcfad967abEli Friedman Opc(opc), OpLoc(opLoc) { 23551237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 23561237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 23575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2358ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 23591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator(StmtClass SC, EmptyShell Empty) 23602de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall : Expr(SC, Empty), Opc(BO_MulAssign) { } 23615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 23645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 23655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 23665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 23675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 23685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 23695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 2370ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationLHSType; 2371ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationResultType; 23725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 2374ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ResType, QualType CompLHSType, 2375ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType CompResultType, 237617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 237717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 2378ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationLHSType(CompLHSType), 2379ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationResultType(CompResultType) { 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isCompoundAssignmentOp() && 23815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 23825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2384ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty compound assignment operator expression. 2385ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit CompoundAssignOperator(EmptyShell Empty) 2386ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : BinaryOperator(CompoundAssignOperatorClass, Empty) { } 2387ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2388ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // The two computation types are the type the LHS is converted 2389ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // to for the computation and the type of the result; the two are 2390ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // distinct in a few cases (specifically, int+=ptr and ptr-=ptr). 2391ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationLHSType() const { return ComputationLHSType; } 2392ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationLHSType(QualType T) { ComputationLHSType = T; } 2393ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2394ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationResultType() const { return ComputationResultType; } 2395ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationResultType(QualType T) { ComputationResultType = T; } 2396ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 23975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 23981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return S->getStmtClass() == CompoundAssignOperatorClass; 24005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 24045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 24055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 24065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 24071237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 24085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 2409f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian Stmt* Save; 241047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation QuestionLoc, ColonLoc; 24115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 241247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ConditionalOperator(Expr *cond, SourceLocation QLoc, Expr *lhs, 2413f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation CLoc, Expr *rhs, Expr *save, QualType t) 2414898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ConditionalOperatorClass, t, 2415898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // FIXME: the type of the conditional operator doesn't 2416898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // depend on the type of the conditional, but the standard 2417898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // seems to imply that it could. File a bug! 2418898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ((lhs && lhs->isTypeDependent()) || (rhs && rhs->isTypeDependent())), 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (cond->isValueDependent() || 2420898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor (lhs && lhs->isValueDependent()) || 242147e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor (rhs && rhs->isValueDependent()))), 242247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor QuestionLoc(QLoc), 242347e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ColonLoc(CLoc) { 24241237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 24251237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 24261237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 2427f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian Save = save; 24281237c673c07f9d827129ba02720108816abde562Ted Kremenek } 24295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2430ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty conditional operator. 2431ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit ConditionalOperator(EmptyShell Empty) 2432ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(ConditionalOperatorClass, Empty) { } 2433ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2434395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 2435395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 24365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 2437ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 2438395a2abf0028968d85958610e393e067885dc14fTed Kremenek 2439395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2440f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // expression if the condition evaluates to true. 2441395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 2442f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian return cast<Expr>(!Save ? SubExprs[LHS] : SubExprs[COND]); 2443395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 24441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2445ae2777cfe7d21f73e5a4155082fe20197cec62bdNick Lewycky // getFalseExpr - Return the subexpression representing the value of the ?: 2446395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 24475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 2448f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian 2449f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // getSaveExpr - In most cases this value will be null. Except a GCC extension 2450f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // allows the left subexpression to be omitted, and instead of that condition 2451f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // be returned. e.g: x ?: y is shorthand for x ? x : y, except that the 2452f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // expression "x" is only evaluated once. Under this senario, this function 2453f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian // returns the original, non-converted condition expression for the ?:operator 2454f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian Expr *getSaveExpr() const { return Save? cast<Expr>(Save) : (Expr*)0; } 2455f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian 2456f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian Expr *getLHS() const { return Save ? 0 : cast<Expr>(SubExprs[LHS]); } 2457ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 2458ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 24595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2460ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 24615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2462f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian Expr *getSAVE() const { return Save? cast<Expr>(Save) : (Expr*)0; } 2463f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian void setSAVE(Expr *E) { Save = E; } 2464f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian 246547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getQuestionLoc() const { return QuestionLoc; } 246647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setQuestionLoc(SourceLocation L) { QuestionLoc = L; } 246747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 246847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 246947e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 247047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 24715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 24725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 24735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ConditionalOperatorClass; 24765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 24781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24791237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 24801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 24811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 24825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24846481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 24856481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 24865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 24875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 24885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24896481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 24906481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 24912333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(AddrLabelExprClass, t, false, false), 24922333f7727f97018d6742e1e0938133bcfad967abEli Friedman AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 24931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24947d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty address of a label expression. 24951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit AddrLabelExpr(EmptyShell Empty) 24967d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Expr(AddrLabelExprClass, Empty) { } 24977d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 24987d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getAmpAmpLoc() const { return AmpAmpLoc; } 24997d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setAmpAmpLoc(SourceLocation L) { AmpAmpLoc = L; } 25007d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 25017d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 25027d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 25035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 25045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 25055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 25087d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabel(LabelStmt *S) { Label = S; } 25097d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 25105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 25111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == AddrLabelExprClass; 25125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25136481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 25141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25151237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 25161237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 25171237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 25185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2519ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2520ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 2521ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 2522ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 2523ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 25245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 2525ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 2526ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 25272333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Does type-dependence need to be computed differently? 2528d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 2529d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 25302333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(StmtExprClass, T, T->isDependentType(), false), 25312333f7727f97018d6742e1e0938133bcfad967abEli Friedman SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25336a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor /// \brief Build an empty statement expression. 25346a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor explicit StmtExpr(EmptyShell Empty) : Expr(StmtExprClass, Empty) { } 25356a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 25365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 25375549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 25386a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setSubStmt(CompoundStmt *S) { SubStmt = S; } 25396a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 2540ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 2541ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 2542ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 25431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2544026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 25456a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2546026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 25476a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 25481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2549ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 25501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StmtExprClass; 2551ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 2552ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 25531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25541237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 25551237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 25561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2557ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 2558ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2559dc241b42c7588f99027b035a09b71557a6db219eDouglas Gregor/// TypesCompatibleExpr - GNU builtin-in function __builtin_types_compatible_p. 2560d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 2561d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 2562d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 2563d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 25643fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TypeSourceInfo *TInfo1; 25653fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TypeSourceInfo *TInfo2; 2566363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2567d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 25681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 25693fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TypeSourceInfo *tinfo1, TypeSourceInfo *tinfo2, 25703fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara SourceLocation RP) : 25712333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(TypesCompatibleExprClass, ReturnType, false, false), 25723fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TInfo1(tinfo1), TInfo2(tinfo2), BuiltinLoc(BLoc), RParenLoc(RP) {} 2573d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 257444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_type_compatible_p expression. 257544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit TypesCompatibleExpr(EmptyShell Empty) 257644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor : Expr(TypesCompatibleExprClass, Empty) { } 257744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 25783fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TypeSourceInfo *getArgTInfo1() const { return TInfo1; } 25793fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara void setArgTInfo1(TypeSourceInfo *TInfo) { TInfo1 = TInfo; } 25803fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara TypeSourceInfo *getArgTInfo2() const { return TInfo2; } 25813fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara void setArgTInfo2(TypeSourceInfo *TInfo) { TInfo2 = TInfo; } 25823fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara 25833fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara QualType getArgType1() const { return TInfo1->getType(); } 25843fcb73dae91be42b071cf0dde9222b7ec362146dAbramo Bagnara QualType getArgType2() const { return TInfo2->getType(); } 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 258744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 259044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2592d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 2593363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2594d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2595d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 25961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == TypesCompatibleExprClass; 2597d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2598d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 25991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26001237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 26011237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 26021237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2603d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 2604d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 2605d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 2606d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 2607d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 2608d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 2609d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 2610d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 2611d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 2612d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 2613d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2614d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 2615d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 2616d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 2617d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 26185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 2619d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 2620d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2621d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 26222333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can a shufflevector be value-dependent? Does type-dependence need 26232333f7727f97018d6742e1e0938133bcfad967abEli Friedman // to be computed differently? 2624a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman ShuffleVectorExpr(ASTContext &C, Expr **args, unsigned nexpr, 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Type, SourceLocation BLoc, 26261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation RP) : 26272333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(ShuffleVectorExprClass, Type, Type->isDependentType(), false), 26282333f7727f97018d6742e1e0938133bcfad967abEli Friedman BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(nexpr) { 26291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2630a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman SubExprs = new (C) Stmt*[nexpr]; 2631d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 2632d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 2633d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 263494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 263594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor /// \brief Build an empty vector-shuffle expression. 26361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ShuffleVectorExpr(EmptyShell Empty) 263794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(ShuffleVectorExprClass, Empty), SubExprs(0) { } 263894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 263994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 264094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 26411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 264294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 264394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 264494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2645d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 2646d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 2647d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2648d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ShuffleVectorExprClass; 2650d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2651d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 26521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2653d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 2654d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 2655d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 2656d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2658d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 2659d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 2660d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 26615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2662d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2663d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 2664d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 26655549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2666d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2668888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman void setExprs(ASTContext &C, Expr ** Exprs, unsigned NumExprs); 266994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2670dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 2671dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 26729a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman return getExpr(N+2)->EvaluateAsInt(Ctx).getZExtValue(); 2673d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 2676d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 2677d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 2678d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 2679d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2680d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 26811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This AST node is similar to the conditional operator (?:) in C, with 2682d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 26837976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the test expression must be a integer constant expression. 26847976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the expression returned acts like the chosen subexpression in every 26857976932a1c256d447316ffac58e9821417725e34Eli Friedman/// visible way: the type is the same as that of the chosen subexpression, 26867976932a1c256d447316ffac58e9821417725e34Eli Friedman/// and all predicates (whether it's an l-value, whether it's an integer 26877976932a1c256d447316ffac58e9821417725e34Eli Friedman/// constant expression, etc.) return the same result as for the chosen 26887976932a1c256d447316ffac58e9821417725e34Eli Friedman/// sub-expression. 2689d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 26901237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 26915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 2692d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2693d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 2694d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 2695ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor SourceLocation RP, bool TypeDependent, bool ValueDependent) 2696ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor : Expr(ChooseExprClass, t, TypeDependent, ValueDependent), 26971237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 26981237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 26991237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 27001237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 27011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 27027976932a1c256d447316ffac58e9821417725e34Eli Friedman 270344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_choose_expr. 270444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit ChooseExpr(EmptyShell Empty) : Expr(ChooseExprClass, Empty) { } 270544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 27067976932a1c256d447316ffac58e9821417725e34Eli Friedman /// isConditionTrue - Return whether the condition is true (i.e. not 27077976932a1c256d447316ffac58e9821417725e34Eli Friedman /// equal to zero). 270827437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 27097976932a1c256d447316ffac58e9821417725e34Eli Friedman 27107976932a1c256d447316ffac58e9821417725e34Eli Friedman /// getChosenSubExpr - Return the subexpression chosen according to the 27117976932a1c256d447316ffac58e9821417725e34Eli Friedman /// condition. 27127976932a1c256d447316ffac58e9821417725e34Eli Friedman Expr *getChosenSubExpr(ASTContext &C) const { 27137976932a1c256d447316ffac58e9821417725e34Eli Friedman return isConditionTrue(C) ? getLHS() : getRHS(); 27147976932a1c256d447316ffac58e9821417725e34Eli Friedman } 27157976932a1c256d447316ffac58e9821417725e34Eli Friedman 27165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 271744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 27185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 271944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 27205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 272144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 272244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 272344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 272444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 27251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 272744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 27281237c673c07f9d827129ba02720108816abde562Ted Kremenek 2729d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 2730d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2731d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2732d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ChooseExprClass; 2734d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2735d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 27361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27371237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 27381237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 27391237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2740d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 2741d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 27422d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// GNUNullExpr - Implements the GNU __null extension, which is a name 27432d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// for a null pointer constant that has integral type (e.g., int or 27442d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// long) and is the same size and alignment as a pointer. The __null 27452d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// extension is typically only used by system headers, which define 27462d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// NULL as __null in C++ rather than using 0 (which is an integer 27472d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// that may not match the size of a pointer). 27482d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorclass GNUNullExpr : public Expr { 27492d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// TokenLoc - The location of the __null keyword. 27502d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation TokenLoc; 27512d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 27522d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorpublic: 27531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GNUNullExpr(QualType Ty, SourceLocation Loc) 27542333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(GNUNullExprClass, Ty, false, false), TokenLoc(Loc) { } 27552d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 275644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty GNU __null expression. 275744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit GNUNullExpr(EmptyShell Empty) : Expr(GNUNullExprClass, Empty) { } 275844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 27592d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// getTokenLocation - The location of the __null token. 27602d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation getTokenLocation() const { return TokenLoc; } 276144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setTokenLocation(SourceLocation L) { TokenLoc = L; } 27622d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 27632d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual SourceRange getSourceRange() const { 27642d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor return SourceRange(TokenLoc); 27652d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 27662d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const Stmt *T) { 27671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GNUNullExprClass; 27682d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 27692d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const GNUNullExpr *) { return true; } 27701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27712d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // Iterators 27722d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_begin(); 27732d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_end(); 27742d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor}; 27752d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 277674626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu/// VAArgExpr, used for the builtin function __builtin_va_arg. 27777c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 27785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 27792cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara TypeSourceInfo *TInfo; 27807c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 27817c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 27822cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara VAArgExpr(SourceLocation BLoc, Expr* e, TypeSourceInfo *TInfo, 27832cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara SourceLocation RPLoc, QualType t) 27842333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(VAArgExprClass, t, t->isDependentType(), false), 27852cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara Val(e), TInfo(TInfo), 27867c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 27877c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 27881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278974626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu /// \brief Create an empty __builtin_va_arg expression. 2790d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit VAArgExpr(EmptyShell Empty) : Expr(VAArgExprClass, Empty) { } 2791d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 27925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 27935549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 2794d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 2795d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 27962cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara TypeSourceInfo *getWrittenTypeInfo() const { return TInfo; } 27972cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara void setWrittenTypeInfo(TypeSourceInfo *TI) { TInfo = TI; } 27982cad900202561cdda18ea6cc51ddbf3e20e3c23aAbramo Bagnara 2799d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 2800d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2802d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2803d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2804d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 28057c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 28067c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 28071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 28087c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 28097c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 28107c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 28117c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 28121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28137c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 28147c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 28151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 28167c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 28171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28184c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @brief Describes an C or C++ initializer list. 28194c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 28204c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// InitListExpr describes an initializer list, which can be used to 28214c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initialize objects of different types, including 28224c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct/class/union types, arrays, and vectors. For example: 28234c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 28244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @code 28254c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct foo x = { 1, { 2, 3 } }; 28264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @endcode 2827196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 28284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Prior to semantic analysis, an initializer list will represent the 28294c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer list as written by the user, but will have the 28304c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// placeholder type "void". This initializer list is called the 28314c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// syntactic form of the initializer, and may contain C99 designated 28324c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializers (represented as DesignatedInitExprs), initializations 28334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// of subobject members without explicit braces, and so on. Clients 28344c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// interested in the original syntax of the initializer list should 28354c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// use the syntactic form of the initializer list. 2836196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 28374c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// After semantic analysis, the initializer list will represent the 28384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// semantic form of the initializer, where the initializations of all 28394c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// subobjects are made explicit with nested InitListExpr nodes and 28404c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// C99 designators have been eliminated by placing the designated 28414c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializations into the subobject they initialize. Additionally, 28424c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// any "holes" in the initialization, where no initializer has been 28434c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// specified for a particular subobject, will be replaced with 28443498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// implicitly-generated ImplicitValueInitExpr expressions that 28454c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// value-initialize the subobjects. Note, however, that the 28464c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer lists may still have fewer initializers than there are 28474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// elements to initialize within the object. 2848196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 28494c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Given the semantic form of the initializer list, one can retrieve 28504c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// the original syntactic form of that initializer list (if it 28514c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// exists) using getSyntacticForm(). Since many initializer lists 28524c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// have the same syntactic and semantic forms, getSyntacticForm() may 28534c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// return NULL, indicating that the current initializer list also 28544c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// serves as its syntactic form. 285566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 2856ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek // FIXME: Eliminate this vector in favor of ASTContext allocation 2857709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef ASTVector<Stmt *> InitExprsTy; 2858709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitExprsTy InitExprs; 285966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 28601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28614c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// Contains the initializer list that describes the syntactic form 28624c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// written in the source code. 28634c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *SyntacticForm; 28644c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 28650bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// If this initializer list initializes a union, specifies which 28660bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// field within the union will be initialized. 28670bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *UnionFieldInit; 28680bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2869a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// Whether this initializer list originally had a GNU array-range 2870a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// designator in it. This is a temporary marker used by CodeGen. 2871a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool HadArrayRangeDesignator; 2872a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 287366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 2874709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitListExpr(ASTContext &C, SourceLocation lbraceloc, 2875709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr **initexprs, unsigned numinits, 2876ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek SourceLocation rbraceloc); 2877d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2878d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Build an empty initializer list. 2879709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek explicit InitListExpr(ASTContext &C, EmptyShell Empty) 2880709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek : Expr(InitListExprClass, Empty), InitExprs(C) { } 28811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2882ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek unsigned getNumInits() const { return InitExprs.size(); } 28831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getInit(unsigned Init) const { 2885c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 28864c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 288766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 28881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getInit(unsigned Init) { 2890c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 28914c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 289266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setInit(unsigned Init, Expr *expr) { 2895c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 28969e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 28979e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 2898c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 2899fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor /// \brief Reserve space for some number of initializers. 2900709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek void reserveInits(ASTContext &C, unsigned NumInits); 29011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Specify the number of initializers 29034c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 29044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// If there are more than @p NumInits initializers, the remaining 29054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializers will be destroyed. If there are fewer than @p 29064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// NumInits initializers, NULL expressions will be added for the 29074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// unknown initializers. 29084c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void resizeInits(ASTContext &Context, unsigned NumInits); 29094c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 29104c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Updates the initializer at index @p Init with the new 29114c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// expression @p expr, and returns the old expression at that 29124c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// location. 29134c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 29144c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// When @p Init is out of range for this initializer list, the 29154c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializer list will be extended with NULL expressions to 29164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// accomodate the new entry. 2917709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr *updateInit(ASTContext &C, unsigned Init, Expr *expr); 2918c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 29190bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// \brief If this initializes a union, specifies which field in the 29200bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union to initialize. 29210bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// 29220bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// Typically, this field is the first named field within the 29230bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union. However, a designated initializer can specify the 29240bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// initialization of a different field within the union. 29250bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *getInitializedFieldInUnion() { return UnionFieldInit; } 29260bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor void setInitializedFieldInUnion(FieldDecl *FD) { UnionFieldInit = FD; } 29270bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2928c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 2929c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 2930b3eef68111ffc220e449be96da1747998c057790Douglas Gregor bool isExplicit() { 2931b3eef68111ffc220e449be96da1747998c057790Douglas Gregor return LBraceLoc.isValid() && RBraceLoc.isValid(); 2932b3eef68111ffc220e449be96da1747998c057790Douglas Gregor } 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2934d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getLBraceLoc() const { return LBraceLoc; } 2935d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } 2936d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getRBraceLoc() const { return RBraceLoc; } 293787fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor void setRBraceLoc(SourceLocation Loc) { RBraceLoc = Loc; } 293887fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor 29394c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Retrieve the initializer list that describes the 29404c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// syntactic form of the initializer. 29414c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 29421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 29434c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *getSyntacticForm() const { return SyntacticForm; } 29444c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void setSyntacticForm(InitListExpr *Init) { SyntacticForm = Init; } 29454c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2946a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool hadArrayRangeDesignator() const { return HadArrayRangeDesignator; } 29471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void sawArrayRangeDesignator(bool ARD = true) { 2948d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor HadArrayRangeDesignator = ARD; 2949a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor } 2950a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 295166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 295266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 29531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 295466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 29551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == InitListExprClass; 295666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 295766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 29581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 295966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 296066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 296166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 29621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2963709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::iterator iterator; 29648111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu typedef InitExprsTy::const_iterator const_iterator; 2965709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::reverse_iterator reverse_iterator; 29668111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu typedef InitExprsTy::const_reverse_iterator const_reverse_iterator; 29671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2968ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator begin() { return InitExprs.begin(); } 29698111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_iterator begin() const { return InitExprs.begin(); } 2970ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator end() { return InitExprs.end(); } 29718111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_iterator end() const { return InitExprs.end(); } 2972ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 29738111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_reverse_iterator rbegin() const { return InitExprs.rbegin(); } 2974ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rend() { return InitExprs.rend(); } 29758111a6150cb68a238d55a31f9f4f90869a43f988Zhongxing Xu const_reverse_iterator rend() const { return InitExprs.rend(); } 297666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 297766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 297805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @brief Represents a C99 designated initializer expression. 297905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 298005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// A designated initializer expression (C99 6.7.8) contains one or 298105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// more designators (which can be field designators, array 298205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, or GNU array-range designators) followed by an 298305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// expression that initializes the field or element(s) that the 298405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators refer to. For example, given: 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 298605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @code 298705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point { 298805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double x; 298905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double y; 299005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// }; 299105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; 299205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @endcode 299305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 299405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// The InitListExpr contains three DesignatedInitExprs, the first of 299505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// which covers @c [2].y=1.0. This DesignatedInitExpr will have two 299605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, one array designator for @c [2] followed by one field 299705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designator for @c .y. The initalization expression will be 1.0. 299805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorclass DesignatedInitExpr : public Expr { 2999ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorpublic: 3000ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Forward declaration of the Designator class. 3001ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor class Designator; 3002ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 3003ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorprivate: 300405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '=' or ':' prior to the actual initializer 300505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expression. 300605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc; 300705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3008eeae8f072748affce25ab4064982626361293390Douglas Gregor /// Whether this designated initializer used the GNU deprecated 300905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// syntax rather than the C99 '=' syntax. 3010eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax : 1; 301105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 301205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of designators in this initializer expression. 301305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators : 15; 301405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3015ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief The designators in this designated initialization 3016ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// expression. 3017ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator *Designators; 3018ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 301905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of subexpressions of this initializer expression, 302005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// which contains both the initializer and any additional 302105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expressions used by array and array-range designators. 302205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumSubExprs : 16; 302305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3024ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 3025319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor DesignatedInitExpr(ASTContext &C, QualType Ty, unsigned NumDesignators, 3026ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 3027eeae8f072748affce25ab4064982626361293390Douglas Gregor SourceLocation EqualOrColonLoc, bool GNUSyntax, 30289ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 30299ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init); 303005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3031d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit DesignatedInitExpr(unsigned NumSubExprs) 3032d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(DesignatedInitExprClass, EmptyShell()), 3033d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators(0), Designators(0), NumSubExprs(NumSubExprs) { } 3034d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 303505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorpublic: 303605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 303705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator { 303805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Refers to the field that is being initialized. The low bit 303905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// of this field determines whether this is actually a pointer 304005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// to an IdentifierInfo (if 1) or a FieldDecl (if 0). When 304105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initially constructed, a field designator will store an 304205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// IdentifierInfo*. After semantic analysis has resolved that 304305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// name, the field designator will instead store a FieldDecl*. 304405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor uintptr_t NameOrField; 30451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '.' in the designated initializer. 304705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned DotLoc; 30481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the field name in the designated initializer. 305005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned FieldLoc; 305105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 305205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 305305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 305405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator { 305505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Location of the first index expression within the designated 305605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer expression's list of subexpressions. 305705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned Index; 305805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '[' starting the array range designator. 305905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned LBracketLoc; 306005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ellipsis separating the start and end 306105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// indices. Only valid for GNU array-range designators. 306205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned EllipsisLoc; 306305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ']' terminating the array range designator. 30641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned RBracketLoc; 306505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 306605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 306705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Represents a single C99 designator. 306805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// 306905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @todo This class is infuriatingly similar to clang::Designator, 307005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// but minor differences (storing indices vs. storing pointers) 307105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// keep us from reusing it. Try harder, later, to rectify these 307205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// differences. 307305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor class Designator { 307405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief The kind of designator this describes. 307505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor enum { 307605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDesignator, 307705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayDesignator, 307805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayRangeDesignator 307905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } Kind; 308005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 308105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor union { 308205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 308305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator Field; 308405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 308505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator ArrayOrRange; 308605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 308705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor friend class DesignatedInitExpr; 308805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 308905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor public: 3090ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator() {} 3091ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 309205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a field designator. 30931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(const IdentifierInfo *FieldName, SourceLocation DotLoc, 30941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation FieldLoc) 309505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(FieldDesignator) { 309605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FieldName) | 0x01; 309705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.DotLoc = DotLoc.getRawEncoding(); 309805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.FieldLoc = FieldLoc.getRawEncoding(); 309905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 310005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 310105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes an array designator. 31021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 310305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation RBracketLoc) 310405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayDesignator) { 310505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 310605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 310705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = SourceLocation().getRawEncoding(); 310805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 310905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 311005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 311105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a GNU array-range designator. 31121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 311305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EllipsisLoc, SourceLocation RBracketLoc) 311405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayRangeDesignator) { 311505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 311605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 311705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = EllipsisLoc.getRawEncoding(); 311805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 311905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 312005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 312105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isFieldDesignator() const { return Kind == FieldDesignator; } 312205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayDesignator() const { return Kind == ArrayDesignator; } 312305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayRangeDesignator() const { return Kind == ArrayRangeDesignator; } 312405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 312505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor IdentifierInfo * getFieldName(); 312605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 312705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDecl *getField() { 312805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 312905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 313005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return 0; 313105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 313205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<FieldDecl *>(Field.NameOrField); 313305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 313405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 313505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setField(FieldDecl *FD) { 313605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 313705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FD); 313805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 313905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 314087f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor SourceLocation getDotLoc() const { 314187f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 314287f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor return SourceLocation::getFromRawEncoding(Field.DotLoc); 314387f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor } 314487f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor 314505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getFieldLoc() const { 314605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 314705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(Field.FieldLoc); 314805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 314905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 315005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getLBracketLoc() const { 315105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 315205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 315305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.LBracketLoc); 315405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 315505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 315605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getRBracketLoc() const { 315705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 315805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 315905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.RBracketLoc); 316005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 316105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 316205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEllipsisLoc() const { 316305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == ArrayRangeDesignator && 316405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array-range designator"); 316505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.EllipsisLoc); 316605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 31674c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 3168d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getFirstExprIndex() const { 3169d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 3170d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor "Only valid on an array or array-range designator"); 3171d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return ArrayOrRange.Index; 3172d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3173d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 31744c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation getStartLocation() const { 31754c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor if (Kind == FieldDesignator) 31764c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc(); 31774c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor else 31784c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getLBracketLoc(); 31794c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 318005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 318105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 31821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static DesignatedInitExpr *Create(ASTContext &C, Designator *Designators, 318305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 318405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 318505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc, 3186eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax, Expr *Init); 318705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3188d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor static DesignatedInitExpr *CreateEmpty(ASTContext &C, unsigned NumIndexExprs); 3189d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 319005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Returns the number of designators in this initializer. 319105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned size() const { return NumDesignators; } 319205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 319305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterator access to the designators. 319405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor typedef Designator* designators_iterator; 3195ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor designators_iterator designators_begin() { return Designators; } 31961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump designators_iterator designators_end() { 31971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Designators + NumDesignators; 3198ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 319905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3200711997184366d584c9c437102cae1e9d9927b986Douglas Gregor Designator *getDesignator(unsigned Idx) { return &designators_begin()[Idx]; } 3201711997184366d584c9c437102cae1e9d9927b986Douglas Gregor 3202c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt void setDesignators(ASTContext &C, const Designator *Desigs, 3203319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesigs); 3204d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 320505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayIndex(const Designator& D); 320605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeStart(const Designator& D); 320705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeEnd(const Designator& D); 320805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 320905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the location of the '=' that precedes the 321005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer value itself, if present. 321105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEqualOrColonLoc() const { return EqualOrColonLoc; } 3212d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setEqualOrColonLoc(SourceLocation L) { EqualOrColonLoc = L; } 321305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 321405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Determines whether this designated initializer used the 3215eeae8f072748affce25ab4064982626361293390Douglas Gregor /// deprecated GNU syntax for designated initializers. 3216eeae8f072748affce25ab4064982626361293390Douglas Gregor bool usesGNUSyntax() const { return GNUSyntax; } 3217d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setGNUSyntax(bool GNU) { GNUSyntax = GNU; } 321805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 321905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the initializer value. 32201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getInit() const { 322105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*const_cast<DesignatedInitExpr*>(this)->child_begin()); 322205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 322305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 322405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setInit(Expr *init) { 322505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor *child_begin() = init; 322605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 322705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3228d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Retrieve the total number of subexpressions in this 3229d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// designated initializer expression, including the actual 3230d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// initialized value and any expressions that occur within array 3231d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// and array-range designators. 3232d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getNumSubExprs() const { return NumSubExprs; } 3233d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3234d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Expr *getSubExpr(unsigned Idx) { 3235d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 3236d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 3237d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 3238d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx]; 3239d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3240d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3241d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setSubExpr(unsigned Idx, Expr *E) { 3242d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 3243d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 3244d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 3245d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx] = E; 3246d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 3247d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 3248ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Replaces the designator at index @p Idx with the series 3249ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// of designators in [First, Last). 3250319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void ExpandDesignator(ASTContext &C, unsigned Idx, const Designator *First, 3251ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last); 3252ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 325305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual SourceRange getSourceRange() const; 325405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 325505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const Stmt *T) { 32561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DesignatedInitExprClass; 325705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 325805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const DesignatedInitExpr *) { return true; } 325905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 326005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterators 326105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual child_iterator child_begin(); 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 32633498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor}; 32643498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 32653498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// \brief Represents an implicitly-generated value initialization of 32663498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// an object of a given type. 32673498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// 32681a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// Implicit value initializations occur within semantic initializer 32691a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// list expressions (InitListExpr) as placeholders for subobject 32703498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// initializations not explicitly specified by the user. 32711a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// 32721a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// \see InitListExpr 32731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ImplicitValueInitExpr : public Expr { 32743498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregorpublic: 32751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitValueInitExpr(QualType ty) 32762333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImplicitValueInitExprClass, ty, false, false) { } 32773498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 3278d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Construct an empty implicit value initialization. 3279d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit ImplicitValueInitExpr(EmptyShell Empty) 3280d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(ImplicitValueInitExprClass, Empty) { } 3281d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 32821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 32833498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return T->getStmtClass() == ImplicitValueInitExprClass; 32843498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 32853498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor static bool classof(const ImplicitValueInitExpr *) { return true; } 32863498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 32873498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual SourceRange getSourceRange() const { 32883498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return SourceRange(); 32893498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 32903498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 32913498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor // Iterators 32923498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual child_iterator child_begin(); 32931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 329405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor}; 329505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 32962ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 32972ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanclass ParenListExpr : public Expr { 32982ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Stmt **Exprs; 32992ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned NumExprs; 33002ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation LParenLoc, RParenLoc; 33012ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 33022ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanpublic: 33031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenListExpr(ASTContext& C, SourceLocation lparenloc, Expr **exprs, 33042ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned numexprs, SourceLocation rparenloc); 33052ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 33062ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman /// \brief Build an empty paren list. 330737bdfe284ad365f753741d1d89c078c148b3f4afArgyrios Kyrtzidis explicit ParenListExpr(EmptyShell Empty) : Expr(ParenListExprClass, Empty) { } 33081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33092ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned getNumExprs() const { return NumExprs; } 33101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getExpr(unsigned Init) const { 33122ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 33132ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 33142ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 33151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getExpr(unsigned Init) { 33172ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 33182ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 33192ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 33202ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 332183ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor Expr **getExprs() { return reinterpret_cast<Expr **>(Exprs); } 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33232ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getLParenLoc() const { return LParenLoc; } 33242ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getRParenLoc() const { return RParenLoc; } 33252ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 33262ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual SourceRange getSourceRange() const { 33272ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return SourceRange(LParenLoc, RParenLoc); 33281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 33292ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const Stmt *T) { 33301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenListExprClass; 33312ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 33322ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const ParenListExpr *) { return true; } 33331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33342ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman // Iterators 33352ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_begin(); 33362ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_end(); 333737bdfe284ad365f753741d1d89c078c148b3f4afArgyrios Kyrtzidis 333860adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 33393397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 33402ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman}; 33412ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 33444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 33454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 33464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 3347a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 3348a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 3349a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 3350a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 3351a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 335273525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// Note that the base may have either vector or pointer to vector type, just 335373525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// like a struct field reference. 335473525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// 3355a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 3356a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 3357d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo *Accessor; 3358a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 3359a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 3360a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 3361a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 33622333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ExtVectorElementExprClass, ty, base->isTypeDependent(), 33632333f7727f97018d6742e1e0938133bcfad967abEli Friedman base->isValueDependent()), 3364d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor Base(base), Accessor(&accessor), AccessorLoc(loc) {} 33651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3366d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Build an empty vector element expression. 3367d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit ExtVectorElementExpr(EmptyShell Empty) 3368d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor : Expr(ExtVectorElementExprClass, Empty) { } 3369d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 3370a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 3371a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 3372d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBase(Expr *E) { Base = E; } 3373d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 3374d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo &getAccessor() const { return *Accessor; } 3375d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessor(IdentifierInfo *II) { Accessor = II; } 3376d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 3377d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getAccessorLoc() const { return AccessorLoc; } 3378d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessorLoc(SourceLocation L) { AccessorLoc = L; } 3379d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 3380a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 3381a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 33821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3383a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 3384a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 3385a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 33861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3387a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 3388a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 3389a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 33901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3391a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 3392a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 3393a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 33941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33952140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// isArrow - Return true if the base expression is a pointer to vector, 33962140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// return false if the base expression is a vector. 33972140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner bool isArrow() const; 33981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 34001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ExtVectorElementExprClass; 3401a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 3402a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 34031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3404a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 3405a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 3406a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 3407a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 3408a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 3409a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 341056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 34119c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 34124eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 341356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 341456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 3415b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool HasBlockDeclRefExprs; 34164eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 3417b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump BlockExpr(BlockDecl *BD, QualType ty, bool hasBlockDeclRefExprs) 34182333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockExprClass, ty, ty->isDependentType(), false), 3419b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump TheBlock(BD), HasBlockDeclRefExprs(hasBlockDeclRefExprs) {} 34209c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 342184af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor /// \brief Build an empty block expression. 342284af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor explicit BlockExpr(EmptyShell Empty) : Expr(BlockExprClass, Empty) { } 342384af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 3424d5cab5435371b8cc74a9e05ebd40b5995ebad149Anders Carlsson const BlockDecl *getBlockDecl() const { return TheBlock; } 342556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 342684af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setBlockDecl(BlockDecl *BD) { TheBlock = BD; } 342784af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 342856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 342956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 343056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 343156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 34329c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 34339c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 343456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 34359c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 34369c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 343756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 343856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 343956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 3440b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump /// hasBlockDeclRefExprs - Return true iff the block has BlockDeclRefExpr 34415b54b88c4082bb81b8b341b622fda9a85cbd5fadChris Lattner /// inside of the block that reference values outside the block. 3442b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool hasBlockDeclRefExprs() const { return HasBlockDeclRefExprs; } 344384af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setHasBlockDeclRefExprs(bool BDRE) { HasBlockDeclRefExprs = BDRE; } 3444b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump 34451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 34469c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 34474eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 34484eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 34491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 34514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 34524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 34534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34554eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 34564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 34574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 34581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ValueDecl *D; 34594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 34607d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool IsByRef : 1; 34617d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool ConstQualAdded : 1; 346289f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian Stmt *CopyConstructorVal; 34634eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 34642333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Fix type/value dependence! 34651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef, 346689f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian bool constAdded = false, 346784ca008a462b515f63871253f494d53c9190363cFariborz Jahanian Stmt *copyConstructorVal = 0) 346884ca008a462b515f63871253f494d53c9190363cFariborz Jahanian : Expr(BlockDeclRefExprClass, t, (!t.isNull() && t->isDependentType()),false), 346952bc56a296b11b4fc6bf5ddf4ded5262f6484bdbFariborz Jahanian D(d), Loc(l), IsByRef(ByRef), 347089f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian ConstQualAdded(constAdded), CopyConstructorVal(copyConstructorVal) {} 347194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 347294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // \brief Build an empty reference to a declared variable in a 347394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // block. 347494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor explicit BlockDeclRefExpr(EmptyShell Empty) 347594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(BlockDeclRefExprClass, Empty) { } 34761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34774eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 34784eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 347994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setDecl(ValueDecl *VD) { D = VD; } 348094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 348194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getLocation() const { return Loc; } 348294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setLocation(SourceLocation L) { Loc = L; } 348394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 34844eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 34851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34864eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 348794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setByRef(bool BR) { IsByRef = BR; } 34881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34897d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool isConstQualAdded() const { return ConstQualAdded; } 34907d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian void setConstQualAdded(bool C) { ConstQualAdded = C; } 349189f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian 349289f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian const Expr *getCopyConstructorExpr() const 349389f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian { return cast_or_null<Expr>(CopyConstructorVal); } 349489f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian Expr *getCopyConstructorExpr() 349589f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian { return cast_or_null<Expr>(CopyConstructorVal); } 349689f9d3a7651d1225f3f56ae3387c83b98a26da00Fariborz Jahanian void setCopyConstructorExpr(Expr *E) { CopyConstructorVal = E; } 349794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 34981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 34991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BlockDeclRefExprClass; 35004eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 35014eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 35021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35034eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 35044eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 35054eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 35064eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 35074eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 35085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 35095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3511