Expr.h revision 161755a09898c95d21bfff33707da9ca41cd53c5
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" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 22525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 233b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 24b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar#include "llvm/ADT/StringRef.h" 25c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 28590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 29c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 30c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 31c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 32c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 338e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 34c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 3688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXOperatorCallExpr; 3788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXMemberCallExpr; 38833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 39d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 4088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 47898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 489ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregorprotected: 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// TypeDependent - Whether this expression is type-dependent 50898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.expr]). 51898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool TypeDependent : 1; 52898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ValueDependent - Whether this expression is value-dependent 54898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.constexpr]). 55898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool ValueDependent : 1; 56898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 57898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(StmtClass SC, QualType T, bool TD, bool VD) 58b3eef68111ffc220e449be96da1747998c057790Douglas Gregor : Stmt(SC), TypeDependent(TD), ValueDependent(VD) { 59898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor setType(T); 60898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 61898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 620b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty expression. 630b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor explicit Expr(StmtClass SC, EmptyShell) : Stmt(SC) { } 640b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 6643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this expression. 6743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 6843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this expression 6943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 7043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Expr *Retain() { 7143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt::Retain(); 7243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 7343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setType(QualType t) { 779d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 789d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 799d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 809d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 839d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 84905d11d53aeb6b26744f44fedc2b2820c7a62df6Douglas Gregor assert((t.isNull() || !t->isReferenceType()) && 858320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 86f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TR = t; 889d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 8977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 90898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isValueDependent - Determines whether this expression is 91898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// value-dependent (C++ [temp.dep.constexpr]). For example, the 92898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// array bound of "Chars" in the following example is 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// value-dependent. 94898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 95898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// template<int Size, char (&Chars)[Size]> struct meta_string; 96898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 97898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isValueDependent() const { return ValueDependent; } 98898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 990b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is value-dependent or not. 1000b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValueDependent(bool VD) { ValueDependent = VD; } 1010b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 102898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isTypeDependent - Determines whether this expression is 103898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type-dependent (C++ [temp.dep.expr]), which means that its type 104898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// could change from one template instantiation to the next. For 105898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// example, the expressions "x" and "x + y" are type-dependent in 106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the following code, but "y" is not type-dependent: 107898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// template<typename T> 109898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// void add(T x, int y) { 110898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// x + y; 111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// } 112898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isTypeDependent() const { return TypeDependent; } 114898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1150b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is type-dependent or not. 1160b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setTypeDependent(bool TD) { TypeDependent = TD; } 1170b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 1261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 127026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// isUnusedResultAWarning - Return true if this immediate expression should 128026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// be warned about if the result is unused. If so, fill in Loc and Ranges 129026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// with location to warn on and the source range[s] to report with the 130026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// warning. 131026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner bool isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1, 132df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump SourceRange &R2, ASTContext &Ctx) const; 1331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 14308ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 14476458501a8963fa11b91c9337a487de6871169b4Sebastian Redl /// - b ? x : y, where x and y are lvalues of suitable types [C++] 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 150fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 15186f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor LV_InvalidExpression, 1522514a309204341798f96912ce7a90841bea59727Fariborz Jahanian LV_MemberFunction, 153e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertySetting, 154e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor LV_ClassTemporary 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 15628be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 15753202857c60214d80950a975e6e52aebf30bd16aEli Friedman 15853202857c60214d80950a975e6e52aebf30bd16aEli Friedman // Same as above, but excluding checks for non-object and void types in C 15953202857c60214d80950a975e6e52aebf30bd16aEli Friedman isLvalueResult isLvalueInternal(ASTContext &Ctx) const; 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 1631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// and if it is a structure or union, does not have any member (including, 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 16644e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// 16744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// \param Loc [in] [out] - A source location which *may* be filled 16844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// in with the location of the expression making this a 16944e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// non-modifiable lvalue, if specified. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 174fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 176ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1794f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1805daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 181ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 18286f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor MLV_NoSetterProperty, 1832514a309204341798f96912ce7a90841bea59727Fariborz Jahanian MLV_MemberFunction, 184e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertySetting, 185e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor MLV_ClassTemporary 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 18744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx, 18844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar SourceLocation *Loc = 0) const; 1891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19033bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// \brief If this expression refers to a bit-field, retrieve the 19133bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// declaration of that bit-field. 19233bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor FieldDecl *getBitField(); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19438d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson const FieldDecl *getBitField() const { 19538d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson return const_cast<Expr*>(this)->getBitField(); 19638d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson } 1971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 198093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson /// \brief Returns whether this expression refers to a vector element. 199093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson bool refersToVectorElement() const; 200093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 205590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 206590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 208590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 2098070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 210590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 212c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// isConstantInitializer - Returns true if this expression is a constant 213c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// initializer, which can be emitted at compile-time. 214c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman bool isConstantInitializer(ASTContext &Ctx) const; 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// EvalResult is a struct with detailed info about an evaluated expression. 21794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson struct EvalResult { 2182d6744ff04c1690a1485178d550d2fab84a0270bDaniel Dunbar /// Val - This is the value the expression can be folded to. 21994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson APValue Val; 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// HasSideEffects - Whether the evaluated expression has side effects. 22294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// For example, (f() && 0) can be folded, but it still has side effects. 22394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson bool HasSideEffects; 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag - If the expression is unfoldable, then Diag contains a note 22694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// diagnostic indicating why it's not foldable. DiagLoc indicates a caret 22794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// position for the error, and DiagExpr is the expression that caused 22894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// the error. 22994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// If the expression is foldable, but not an integer constant expression, 23094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag contains a note diagnostic that describes why it isn't an integer 23194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// constant expression. If the expression *is* an integer constant 23294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// expression, then Diag will be zero. 23394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson unsigned Diag; 23494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson const Expr *DiagExpr; 23594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson SourceLocation DiagLoc; 2361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson EvalResult() : HasSideEffects(false), Diag(0), DiagExpr(0) {} 23894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson }; 23994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson 2406ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 241019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 242019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 243019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 2445b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson bool Evaluate(EvalResult &Result, ASTContext &Ctx) const; 2455b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson 246660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// EvaluateAsAny - The same as Evaluate, except that it also succeeds on 247660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// stack based objects. 248660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump bool EvaluateAsAny(EvalResult &Result, ASTContext &Ctx) const; 249660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump 250cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// EvaluateAsBooleanCondition - Return true if this is a constant 251cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// which we we can fold and convert to a boolean condition using 252cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// any crazy technique that we want to. 253cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall bool EvaluateAsBooleanCondition(bool &Result, ASTContext &Ctx) const; 254cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall 2556ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 25645b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 25745b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 258c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 2596ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// HasSideEffects - This routine returns true for all those expressions 2606ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// which must be evaluated each time and must not be optimization away 2616ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// or evaluated at compile time. Example is a function call, volatile 2626ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// variable read. 263393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian bool HasSideEffects(ASTContext &Ctx) const; 264393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian 26551fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// EvaluateAsInt - Call Evaluate and return the folded integer. This 26651fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 26751fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson llvm::APSInt EvaluateAsInt(ASTContext &Ctx) const; 26851fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 269b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue 270b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// with link time known address. 2711b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson bool EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const; 2721b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson 273b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsAnyLValue - The same as EvaluateAsLValue, except that it 274b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// also succeeds on stack based, immutable address lvalues. 275b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman bool EvaluateAsAnyLValue(EvalResult &Result, ASTContext &Ctx) const; 276b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman 277ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Enumeration used to describe how \c isNullPointerConstant() 278ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// should cope with value-dependent expressions. 279ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor enum NullPointerConstantValueDependence { 280ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that the expression should never be value-dependent. 281ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_NeverValueDependent = 0, 282ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 283ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression of integral or 284ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// dependent type should be considered a null pointer constant. 285ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNull, 286ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 287ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression should be considered 288ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// to never be a null pointer constant. 289ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNotNull 290ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor }; 291ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 292efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// isNullPointerConstant - C99 6.3.2.3p3 - Return true if this is either an 293efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// integer constant expression with the value zero, or if this is one that is 294efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// cast to void*. 295ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor bool isNullPointerConstant(ASTContext &Ctx, 296ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NullPointerConstantValueDependence NPC) const; 297efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson 29844baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian /// isOBJCGCCandidate - Return true if this expression may be used in a read/ 2991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// write barrier. 300102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian bool isOBJCGCCandidate(ASTContext &Ctx) const; 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3024e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// its subexpression. If that subexpression is also a ParenExpr, 3044e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 3054e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 3064e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 30756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 30856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 30927c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 31056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 313ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// value (including ptr->int casts of the same size). Strip off any 314ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// ParenExpr or CastExprs, returning their operand. 315ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *IgnoreParenNoopCasts(ASTContext &Ctx); 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3176eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Determine whether this expression is a default function argument. 3186eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// 3196eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// Default arguments are implicitly generated in the abstract syntax tree 3206eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// by semantic analysis for function calls, object constructions, etc. in 3216eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// C++. Default arguments are represented by \c CXXDefaultArgExpr nodes; 3226eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// this routine also looks through any implicit casts to determine whether 3236eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// the expression is a default argument. 3246eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor bool isDefaultArgument() const; 3256eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 3262f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief Determine whether this expression directly creates a 3272f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object (of class type). 3282f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor bool isTemporaryObject() const { return getTemporaryObject() != 0; } 3292f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 3302f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief If this expression directly creates a temporary object of 3312f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// class type, return the expression that actually constructs that 3322f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object. 3332f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor const Expr *getTemporaryObject() const; 3342f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 3354e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 3364e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 3374e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 33856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 33956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 34056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 341ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner const Expr *IgnoreParenNoopCasts(ASTContext &Ctx) const { 342ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx); 343ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyTypeDependentArguments(Expr** Exprs, unsigned NumExprs); 346898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyValueDependentArguments(Expr** Exprs, unsigned NumExprs); 347898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() <= lastExprConstant; 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3565549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 360a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents the qualifier that may precede a C++ name, e.g., the 361a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// "std::" in "std::sort". 362a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct NameQualifier { 363a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The nested name specifier. 364a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *NNS; 365a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 366a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source range covered by the nested name specifier. 367a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange Range; 368a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 369a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 370a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents an explicit template argument list in C++, e.g., 371a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// the "<int>" in "sort<int>". 372a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct ExplicitTemplateArgumentList { 373a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the left angle bracket ('<'); 374a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation LAngleLoc; 375a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 376a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the right angle bracket ('>'); 377a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation RAngleLoc; 378a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 379a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The number of template arguments in TemplateArgs. 380a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// The actual template arguments (if any) are stored after the 381a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// ExplicitTemplateArgumentList structure. 382a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned NumTemplateArgs; 383a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 384a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 385833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall TemplateArgumentLoc *getTemplateArgs() { 386833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<TemplateArgumentLoc *> (this + 1); 387a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 388a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 389a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 390833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 391833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<const TemplateArgumentLoc *> (this + 1); 392a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 393d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 394d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void initializeFrom(const TemplateArgumentListInfo &List); 395d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyInto(TemplateArgumentListInfo &List) const; 396d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::size_t sizeFor(const TemplateArgumentListInfo &List); 397a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 398a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 402a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor enum { 403a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 404a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has a C++ nested-name-specifier. 405a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasQualifierFlag = 0x01, 406a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 407a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has an explicit C++ template argument list. 408a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasExplicitTemplateArgumentListFlag = 0x02 409a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor }; 410a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 411a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // DecoratedD - The declaration that we are referencing, plus two bits to 412a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // indicate whether (1) the declaration's name was explicitly qualified and 413a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // (2) the declaration's name was followed by an explicit template 414a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // argument list. 415dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall llvm::PointerIntPair<ValueDecl *, 2> DecoratedD; 416a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 417a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Loc - The location of the declaration name itself. 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4199e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 420a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the declaration name, if any. 421a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NameQualifier *getNameQualifier() { 4222cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 423a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 424a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 425a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<NameQualifier *> (this + 1); 426a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 427a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 428a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 429a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const NameQualifier *getNameQualifier() const { 430a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getNameQualifier(); 431a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 432a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 433a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 434a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 435a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 4362cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag) == 0) 437a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 438a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4392cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 440a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 441a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 442a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 443a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor getNameQualifier() + 1); 444a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 445a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 446a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 447a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 448a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 449a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getExplicitTemplateArgumentList(); 450a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 451a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 452a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor DeclRefExpr(NestedNameSpecifier *Qualifier, SourceRange QualifierRange, 453dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, SourceLocation NameLoc, 454d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs, 4550da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T); 456a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4579e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 4580da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// \brief Computes the type- and value-dependence flags for this 4590da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// declaration reference expression. 4600da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor void computeDependence(); 4619e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 462dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(StmtClass SC, ValueDecl *d, QualType t, SourceLocation l) : 4630da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(SC, t, false, false), DecoratedD(d, 0), Loc(l) { 4640da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4650da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4661a49af9681c350fef58e677f85ccb9a77e8e9d0aDouglas Gregor 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 468dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 4690da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(DeclRefExprClass, t, false, false), DecoratedD(d, 0), Loc(l) { 4700da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4710da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4730b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty declaration reference expression. 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit DeclRefExpr(EmptyShell Empty) 4750b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(DeclRefExprClass, Empty) { } 4760b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 477a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor static DeclRefExpr *Create(ASTContext &Context, 478a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *Qualifier, 479a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange QualifierRange, 480dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 481a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 4820da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T, 4830da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs = 0); 484a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 485dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *getDecl() { return DecoratedD.getPointer(); } 486dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall const ValueDecl *getDecl() const { return DecoratedD.getPointer(); } 487dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall void setDecl(ValueDecl *NewD) { DecoratedD.setPointer(NewD); } 488904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4899e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 4900b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 491a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor virtual SourceRange getSourceRange() const; 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determine whether this declaration reference was preceded by a 494a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// C++ nested-name-specifier, e.g., \c N::foo. 495a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasQualifier() const { return DecoratedD.getInt() & HasQualifierFlag; } 496a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 497a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the source range of 498a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// the nested-name-specifier that precedes the name. Otherwise, 499a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// returns an empty source range. 500a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange getQualifierRange() const { 501a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 502a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceRange(); 503a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 504a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->Range; 505a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 506a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 507a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the nested-name-specifier 508a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// that precedes the name. Otherwise, returns NULL. 509a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *getQualifier() const { 510a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 511a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 512a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 513a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->NNS; 514a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 515a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 516a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determines whether this member expression actually had a C++ 517a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 518a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasExplicitTemplateArgumentList() const { 519a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag; 520a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 521d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 522d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 523d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 524d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 525d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 526d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 527d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 528a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 529a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the left angle bracket following the 530a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member name ('<'), if any. 531a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getLAngleLoc() const { 532a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 533a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 534a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 535a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 536a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 537a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 538a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments provided as part of this 539a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 540833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 541a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 542a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 543a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 544a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 545a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 546a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 547a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 548a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 549a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned getNumTemplateArgs() const { 550a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 551a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 552a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 553a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 554a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 555a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 556a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the right angle bracket following the 557a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template arguments ('>'). 558a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getRAngleLoc() const { 559a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 560a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 561a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 562a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 563a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 564a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 56699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return T->getStmtClass() == DeclRefExprClass; 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 57177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 57277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 575d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 576d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 577227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 578227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 579227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 580227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 581848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunction, 582848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// PrettyFunctionNoVirtual - The same as PrettyFunction, except that the 583848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// 'virtual' keyword is omitted for virtual member functions. 584848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunctionNoVirtual 585227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 587227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 588227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 589227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 590227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 592773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson : Expr(PredefinedExprClass, type, type->isDependentType(), 593773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson type->isDependentType()), Loc(l), Type(IT) {} 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty predefined expression. 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit PredefinedExpr(EmptyShell Empty) 59717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(PredefinedExprClass, Empty) { } 59817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 599227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 60017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setIdentType(IdentType IT) { Type = IT; } 60117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 60217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 60317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 60417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 605848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson static std::string ComputeName(IdentType IT, const Decl *CurrentDecl); 6063a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 607227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 608227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == PredefinedExprClass; 611227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 612d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 61577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 61677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 617227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 618227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 6262333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(IntegerLiteralClass, type, false, false), Value(V), Loc(l) { 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 629a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 6300b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty integer literal. 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IntegerLiteral(EmptyShell Empty) 6320b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(IntegerLiteralClass, Empty) { } 6330b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 637313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Retrieve the location of the literal. 638313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLocation() const { return Loc; } 639313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 6400b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(const llvm::APInt &Val) { Value = Val; } 6410b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6420b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IntegerLiteralClass; 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 64977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 65077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 656c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 659c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 6602333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CharacterLiteralClass, type, false, false), Value(value), Loc(l), 6612333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsWide(iswide) { 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6630b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6640b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty character literal. 6650b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor CharacterLiteral(EmptyShell Empty) : Expr(CharacterLiteralClass, Empty) { } 6660b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 667018d8e0596dd57401eeddcf11ac84ff0a065fbbeChris Lattner SourceLocation getLocation() const { return Loc; } 668c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6740b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6750b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setWide(bool W) { IsWide = W; } 6760b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(unsigned Val) { Value = Val; } 6770b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CharacterLiteralClass; 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 68277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 68377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 68477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 68577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 689525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 690720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FloatingLiteral(const llvm::APFloat &V, bool isexact, 694720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 6952333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(FloatingLiteralClass, Type, false, false), Value(V), 6962333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsExact(isexact), Loc(L) {} 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 69817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty floating-point literal. 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit FloatingLiteral(EmptyShell Empty) 70017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(FloatingLiteralClass, Empty), Value(0.0) { } 70117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 702c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 70317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setValue(const llvm::APFloat &Val) { Value = Val; } 70417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 705720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 70617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setExact(bool E) { IsExact = E; } 707c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 708da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 709da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 710da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 711da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 71417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 71517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == FloatingLiteralClass; 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 72477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 72577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7285d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 7295d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 7305d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 7315d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 7325d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 7335d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 7345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 7355d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 7365d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 7372333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImaginaryLiteralClass, Ty, false, false), Val(val) {} 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 739cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Build an empty imaginary literal. 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImaginaryLiteral(EmptyShell Empty) 741cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ImaginaryLiteralClass, Empty) { } 742cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7435549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 7445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 745cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 746cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7475d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImaginaryLiteralClass; 7505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 7515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 7545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 7555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 7565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 7575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 758e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 759e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 760e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 761a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 762c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// ConstantArrayType. In C++, the char type is const qualified, in C it is 763c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// not. 764690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// 765690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// Note that strings in C can be formed by concatenation of multiple string 7668bea7c0ee44c71c817de7dc2be932b73bec90c9fChris Lattner/// literal pptokens in translation phase #6. This keeps track of the locations 767690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// of each of these pieces. 768c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// 769c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// Strings in C can also be truncated and extended by assigning into arrays, 770c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// e.g. with constructs like: 771c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// char X[2] = "foobar"; 772c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// In this case, getByteLength() will return 6, but the string literal will 773c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// have type "char[2]". 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 778726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned NumConcatenated; 779726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation TokLocs[1]; 7802085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 7812333f7727f97018d6742e1e0938133bcfad967abEli Friedman StringLiteral(QualType Ty) : Expr(StringLiteralClass, Ty, false, false) {} 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 78442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &C); 78542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7872085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// This is the "fully general" constructor that allows representation of 7882085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// strings formed from multiple concatenated tokens. 7892085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static StringLiteral *Create(ASTContext &C, const char *StrData, 7902085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, bool Wide, QualType Ty, 791a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson const SourceLocation *Loc, unsigned NumStrs); 7922085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 7932085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// Simple constructor for string literals made from one token. 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static StringLiteral *Create(ASTContext &C, const char *StrData, 7952085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, 7962085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner bool Wide, QualType Ty, SourceLocation Loc) { 7972085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Create(C, StrData, ByteLength, Wide, Ty, &Loc, 1); 7982085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 799a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 800673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Construct an empty string literal. 801673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor static StringLiteral *CreateEmpty(ASTContext &C, unsigned NumStrs); 802673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 803b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef getString() const { 804b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar return llvm::StringRef(StrData, ByteLength); 805b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar } 806b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar // FIXME: These are deprecated, replace with StringRef. 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 809673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 810673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Sets the string data to the given string data. 811b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar void setString(ASTContext &C, llvm::StringRef Str); 812673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 814673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor void setWide(bool W) { IsWide = W; } 815673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8168d4141f83d9de379547cf05bd75d4c6cf894b189Steve Naroff bool containsNonAsciiOrNull() const { 817b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef Str = getString(); 818b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar for (unsigned i = 0, e = Str.size(); i != e; ++i) 819b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar if (!isascii(Str[i]) || !Str[i]) 82033fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return true; 82133fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return false; 82233fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff } 823726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// getNumConcatenated - Get the number of string literal tokens that were 824726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// concatenated in translation phase #6 to form this string literal. 825726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned getNumConcatenated() const { return NumConcatenated; } 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 827726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation getStrTokenLoc(unsigned TokNum) const { 828726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner assert(TokNum < NumConcatenated && "Invalid tok number"); 829726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner return TokLocs[TokNum]; 830726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner } 8311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setStrTokenLoc(unsigned TokNum, SourceLocation L) { 832673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor assert(TokNum < NumConcatenated && "Invalid tok number"); 833673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor TokLocs[TokNum] = L; 834673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor } 835673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 836b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner typedef const SourceLocation *tokloc_iterator; 837b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_begin() const { return TokLocs; } 838b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; } 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]); 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StringLiteralClass; 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 84977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 85077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 8575549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 860898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ParenExprClass, val->getType(), 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump val->isTypeDependent(), val->isValueDependent()), 862898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor L(l), R(r), Val(val) {} 8631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 864c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor /// \brief Construct an empty parenthesized expression. 8651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ParenExpr(EmptyShell Empty) 866c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor : Expr(ParenExprClass, Empty) { } 867c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 8685549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 8695549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 870c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 871c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 872866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 874313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the left parentheses '('. 875313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLParen() const { return L; } 876c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setLParen(SourceLocation Loc) { L = Loc; } 877313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 878313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the right parentheses ')'. 879313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getRParen() const { return R; } 880c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setRParen(SourceLocation Loc) { R = Loc; } 881313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenExprClass; 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 88877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 88977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8930518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 8940518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 896dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 897dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 898dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 899dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 900dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 901dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 902dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 90373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// subexpression is a compound literal with the various MemberExpr and 90573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 90673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 90913d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 91773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 91873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 9215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 9279103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor : Expr(UnaryOperatorClass, type, 9289103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor input->isTypeDependent() && opc != OffsetOf, 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump input->isValueDependent()), 9309103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor Val(input), Opc(opc), Loc(l) {} 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9320b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Build an empty unary operator. 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit UnaryOperator(EmptyShell Empty) 9340b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(UnaryOperatorClass, Empty), Opc(AddrOf) { } 9350b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 9370b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 9380b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 9400b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSubExpr(Expr *E) { Val = E; } 9410b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 9440b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { Loc = L; } 9450b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 9472085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPostfix(Opcode Op) { 9482085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PostInc || Op == PostDec; 9492085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9515a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 9522085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPrefix(Opcode Op) { 9532085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PreInc || Op == PreDec; 9542085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9555a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 9565a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 9585d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 9605a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isArithmeticOp() const { return isArithmeticOp(Opc); } 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 968bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the unary opcode that corresponds to the given 969bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// overloaded operator. 970bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix); 971bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 972bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 973bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// the given unary opcode. 974bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 975bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 9785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == UnaryOperatorClass; 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 99077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 99177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9940518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 9950518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 9960518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 9970518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 9980518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 999d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl union { 1000a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *Ty; 1001d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl Stmt *Ex; 1002d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } Argument; 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 100442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 100542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 100642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 100742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1009a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall SizeOfAlignOfExpr(bool issizeof, TypeSourceInfo *TInfo, 10100518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 10110518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 10122850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl Expr(SizeOfAlignOfExprClass, resultType, 1013ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 10142850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // Value-dependent if the argument is type-dependent. 1015a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo->getType()->isDependentType()), 1016ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(true), OpLoc(op), RParenLoc(rp) { 1017a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 1018ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor } 1019ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 10201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr(bool issizeof, Expr *E, 1021ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor QualType resultType, SourceLocation op, 1022ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor SourceLocation rp) : 1023ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Expr(SizeOfAlignOfExprClass, resultType, 1024ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 1025ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor // Value-dependent if the argument is type-dependent. 1026ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor E->isTypeDependent()), 1027ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(false), OpLoc(op), RParenLoc(rp) { 1028ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Argument.Ex = E; 1029d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } 10300518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 10310b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Construct an empty sizeof/alignof expression. 10320b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor explicit SizeOfAlignOfExpr(EmptyShell Empty) 10330b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(SizeOfAlignOfExprClass, Empty) { } 10340b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 10360b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSizeof(bool S) { isSizeof = S; } 10370b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10380518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 10390518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 10405ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return getArgumentTypeInfo()->getType(); 10415ab75172051a6d2ea71a80a79e81c65519fd3462John McCall } 1042a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *getArgumentTypeInfo() const { 10430518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 10445ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return Argument.Ty; 10450518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1046caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner Expr *getArgumentExpr() { 10470518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 1048d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl return static_cast<Expr*>(Argument.Ex); 10490518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1050caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner const Expr *getArgumentExpr() const { 1051caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner return const_cast<SizeOfAlignOfExpr*>(this)->getArgumentExpr(); 1052caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner } 10530b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10540b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setArgument(Expr *E) { Argument.Ex = E; isType = false; } 1055a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall void setArgument(TypeSourceInfo *TInfo) { 1056a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 10571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isType = true; 10580b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor } 10590b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10600518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 10610518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 10620518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 10630518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 10640518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 10650518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 106676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 10670b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 10680b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10690b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10700b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1071866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1072866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1073866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 1074866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SizeOfAlignOfExprClass; 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10790518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 108277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 108377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 109277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10962324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 109773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 10982850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl : Expr(ArraySubscriptExprClass, t, 10992850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isTypeDependent() || rhs->isTypeDependent(), 11002850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isValueDependent() || rhs->isValueDependent()), 11012850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl RBracketLoc(rbracketloc) { 110273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 110373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 110473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1106cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Create an empty array subscript expression. 1107cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor explicit ArraySubscriptExpr(EmptyShell Shell) 1108cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ArraySubscriptExprClass, Shell) { } 1109cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11102324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 11112324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 11122324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 11132324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 11142324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 111533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 111633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 111733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 111833fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 11195549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 11205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1121cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 1122cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11235549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 11245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1125cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 11261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getBase() { 11285549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 112977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getBase() const { 11325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 11332324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getIdx() { 11365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11372324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 11405549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 114477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1147026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRBracketLoc() const { return RBracketLoc; } 1148cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } 1149cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11505cd9d6daf3acd4cc87fecebd81d9495b9e4ba9cdChris Lattner virtual SourceLocation getExprLoc() const { return getBase()->getExprLoc(); } 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ArraySubscriptExprClass; 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 115877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 115977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1163b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 1165b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// results in a function call. For example, CXXOperatorCallExpr is 1167b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 1168b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 117077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 11715549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1175b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 1176b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 1177668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr(ASTContext& C, StmtClass SC, Expr *fn, Expr **args, unsigned numargs, 1178668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek QualType t, SourceLocation rparenloc); 117942602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 118042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs, QualType t, 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11861f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty call expression. 1187ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty); 11881f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1189668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek ~CallExpr() {} 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 11925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 119318b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 1194a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1195d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes Decl *getCalleeDecl(); 1196d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes const Decl *getCalleeDecl() const { 1197d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return const_cast<CallExpr*>(this)->getCalleeDecl(); 1198d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes } 1199d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1200a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu /// \brief If the callee is a FunctionDecl, return it. Otherwise return 0. 1201a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu FunctionDecl *getDirectCallee(); 1202bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner const FunctionDecl *getDirectCallee() const { 1203bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return const_cast<CallExpr*>(this)->getDirectCallee(); 1204bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 1205a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12175549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1220934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1221934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1222934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1223934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1224934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1226d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 1227d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 1228d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 12298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void setNumArgs(ASTContext& C, unsigned NumArgs); 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12315549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 12325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1234d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 1235d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 12365549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 12375549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 12415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1243cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 1244cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 12453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned isBuiltinCall(ASTContext &Context) const; 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getCallReturnType - Get the return type of the call expr. This is not 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// always the type of the expr itself, if the return type is a reference 12496dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson /// type. 12506dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType getCallReturnType() const; 12511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1252d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 12531f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1254866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 125677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1260b4609806e9232593ece09ce08b630836e825865cDouglas Gregor return T->getStmtClass() == CallExprClass || 126188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor T->getStmtClass() == CXXOperatorCallExprClass || 12621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() == CXXMemberCallExprClass; 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 126588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 126688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 126788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 126877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 126977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 127077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1273ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. X->F and X.F. 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 12766bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// Extra data stored in some member expressions. 12776bb8017bb9e828d118e15e59d71c66bba323c364John McCall struct MemberNameQualifier : public NameQualifier { 1278161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair FoundDecl; 12796bb8017bb9e828d118e15e59d71c66bba323c364John McCall }; 12806bb8017bb9e828d118e15e59d71c66bba323c364John McCall 1281ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// Base - the expression for the base pointer or structure references. In 1282ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// X.F, this is "X". 12835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1285ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberDecl - This is the decl being referenced by the field/member name. 1286ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// In X.F, this is the decl referenced by F. 1287f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *MemberDecl; 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1289ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberLoc - This is the location of the member name. 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1292ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// IsArrow - True if this is "X->F", false if this is "X.F". 129383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool IsArrow : 1; 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 129583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief True if this member expression used a nested-name-specifier to 12966bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// refer to the member, e.g., "x->Base::f", or found its member via a using 12976bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// declaration. When true, a MemberNameQualifier 1298c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure is allocated immediately after the MemberExpr. 12996bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool HasQualifierOrFoundDecl : 1; 13001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1301c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief True if this member expression specified a template argument list 1302c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// explicitly, e.g., x->f<int>. When true, an ExplicitTemplateArgumentList 1303c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure (and its TemplateArguments) are allocated immediately after 1304c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the MemberExpr or, if the member expression also has a qualifier, after 13056bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// the MemberNameQualifier structure. 1306c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor bool HasExplicitTemplateArgumentList : 1; 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 13096bb8017bb9e828d118e15e59d71c66bba323c364John McCall MemberNameQualifier *getMemberQualifier() { 13106bb8017bb9e828d118e15e59d71c66bba323c364John McCall assert(HasQualifierOrFoundDecl); 13116bb8017bb9e828d118e15e59d71c66bba323c364John McCall return reinterpret_cast<MemberNameQualifier *> (this + 1); 131283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 131383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 131483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 13156bb8017bb9e828d118e15e59d71c66bba323c364John McCall const MemberNameQualifier *getMemberQualifier() const { 1316c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getMemberQualifier(); 1317c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1319c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1320c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1321c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 1322c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 132383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13256bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 1326c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1328c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 1329c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor getMemberQualifier() + 1); 1330c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1332c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1333c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1334c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 1335c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getExplicitTemplateArgumentList(); 133683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1339f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 1340f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman SourceLocation l, QualType ty) 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(MemberExprClass, ty, 1342ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson base->isTypeDependent(), base->isValueDependent()), 134383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow), 13446bb8017bb9e828d118e15e59d71c66bba323c364John McCall HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false) {} 1345510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 13461f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty member reference expression. 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit MemberExpr(EmptyShell Empty) 13486bb8017bb9e828d118e15e59d71c66bba323c364John McCall : Expr(MemberExprClass, Empty), HasQualifierOrFoundDecl(false), 1349e6585a7d71510be00a625686153f48d496d3bbf1Douglas Gregor HasExplicitTemplateArgumentList(false) { } 13501f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static MemberExpr *Create(ASTContext &C, Expr *base, bool isarrow, 135283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor NestedNameSpecifier *qual, SourceRange qualrange, 1353161755a09898c95d21bfff33707da9ca41cd53c5John McCall ValueDecl *memberdecl, DeclAccessPair founddecl, 1354c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation l, 1355d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 1356c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor QualType ty); 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor void setBase(Expr *E) { Base = E; } 13595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 136057e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor 136157e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// \brief Retrieve the member declaration to which this expression refers. 136257e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// 136357e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// The returned declaration will either be a FieldDecl or (in C++) 136457e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// a CXXMethodDecl. 1365f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *getMemberDecl() const { return MemberDecl; } 1366f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman void setMemberDecl(ValueDecl *D) { MemberDecl = D; } 13671f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13686bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// \brief Retrieves the declaration found by lookup. 1369161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair getFoundDecl() const { 13706bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 1371161755a09898c95d21bfff33707da9ca41cd53c5John McCall return DeclAccessPair::make(getMemberDecl(), 1372161755a09898c95d21bfff33707da9ca41cd53c5John McCall getMemberDecl()->getAccess()); 13736bb8017bb9e828d118e15e59d71c66bba323c364John McCall return getMemberQualifier()->FoundDecl; 13746bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 13756bb8017bb9e828d118e15e59d71c66bba323c364John McCall 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 13770979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 13780979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// x->Base::foo. 13796bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool hasQualifier() const { return getQualifier() != 0; } 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief If the member name was qualified, retrieves the source range of 138283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// the nested-name-specifier that precedes the member name. Otherwise, 138383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// returns an empty source range. 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceRange getQualifierRange() const { 13856bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 138683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return SourceRange(); 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->Range; 138983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 139283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 139383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// NULL. 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *getQualifier() const { 13956bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 139683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 13971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->NNS; 139983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 1400c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor 1401c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 1402c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 1403d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall bool hasExplicitTemplateArgumentList() const { 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return HasExplicitTemplateArgumentList; 1405c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 1408d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 1409d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1410d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 1411d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 1412d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1413d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 14141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 1415c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member name ('<'), if any. 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 1417c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1418c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1420c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 1421c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1423c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 1424c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 1425833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 1426c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1429c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 1430c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1432c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 1433c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 1435c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 1439c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 1442c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template arguments ('>'). 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 1444c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1445c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1447c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 1448c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 14511f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setArrow(bool A) { IsArrow = A; } 14521f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1453ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// getMemberLoc - Return the location of the "member", in X->F, it is the 1454ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// location of 'F'. 1455026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getMemberLoc() const { return MemberLoc; } 14561f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setMemberLoc(SourceLocation L) { MemberLoc = L; } 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 145972527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // If we have an implicit base (like a C++ implicit this), 146072527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // make sure not to return its location 1461c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation EndLoc = MemberLoc; 1462c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (HasExplicitTemplateArgumentList) 1463c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor EndLoc = getRAngleLoc(); 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146572527137c521ad9330ecb81ccd841159719dc8cdEli Friedman SourceLocation BaseLoc = getBase()->getLocStart(); 146672527137c521ad9330ecb81ccd841159719dc8cdEli Friedman if (BaseLoc.isInvalid()) 1467c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(MemberLoc, EndLoc); 1468c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(BaseLoc, EndLoc); 14695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 147483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return T->getStmtClass() == MemberExprClass; 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14781237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 14791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 14801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CompoundLiteralExpr - [C99 6.5.2.5] 1484aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 1485aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 14860fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 14870fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 14880fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 14890fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 14901d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall 14911d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// The type as written. This can be an incomplete array type, in 14921d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// which case the actual expression type will be different. 149342f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *TInfo; 14945549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 1495e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 1496aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 14972333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can compound literals be value-dependent? 149842f56b50062cd3b3c6b23fdb9053578ae9145664John McCall CompoundLiteralExpr(SourceLocation lparenloc, TypeSourceInfo *tinfo, 14991d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall QualType T, Expr *init, bool fileScope) 15001d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall : Expr(CompoundLiteralExprClass, T, 150142f56b50062cd3b3c6b23fdb9053578ae9145664John McCall tinfo->getType()->isDependentType(), false), 150242f56b50062cd3b3c6b23fdb9053578ae9145664John McCall LParenLoc(lparenloc), TInfo(tinfo), Init(init), FileScope(fileScope) {} 15031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1504ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor /// \brief Construct an empty compound literal. 1505ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor explicit CompoundLiteralExpr(EmptyShell Empty) 1506ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor : Expr(CompoundLiteralExprClass, Empty) { } 1507ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 15085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 15095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 1510ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setInitializer(Expr *E) { Init = E; } 1511e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 1512e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 1513ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setFileScope(bool FS) { FileScope = FS; } 1514ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 15150fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 1516ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 1517ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 151842f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *getTypeSourceInfo() const { return TInfo; } 151942f56b50062cd3b3c6b23fdb9053578ae9145664John McCall void setTypeSourceInfo(TypeSourceInfo* tinfo) { TInfo = tinfo; } 152042f56b50062cd3b3c6b23fdb9053578ae9145664John McCall 152173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 15220fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 15230fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 15240fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 15250fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 152673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 15270fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 152873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 1529aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 15301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundLiteralExprClass; 1532aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 1533aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 15361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 15371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1538aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 1539aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 154049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 154149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 154249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 154349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 15440835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 1545cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonpublic: 1546cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CastKind - the kind of cast this represents. 1547cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson enum CastKind { 1548cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_Unknown - Unknown cast kind. 15491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// FIXME: The goal is to get rid of this and make all casts have a 1550cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// kind so that the AST client doesn't have to try to figure out what's 1551cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// going on. 1552cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_Unknown, 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1554cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_BitCast - Used for reinterpret_cast. 1555cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_BitCast, 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1557cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_NoOp - Used for const_cast. 15583503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson CK_NoOp, 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156011de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson /// CK_BaseToDerived - Base to derived class casts. 156111de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson CK_BaseToDerived, 156211de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson 15633503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson /// CK_DerivedToBase - Derived to base class casts. 1564714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson CK_DerivedToBase, 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156623cba801e11b03929c44f8cf54578305963a3476John McCall /// CK_UncheckedDerivedToBase - Derived to base class casts that 156723cba801e11b03929c44f8cf54578305963a3476John McCall /// assume that the derived pointer is not null. 156823cba801e11b03929c44f8cf54578305963a3476John McCall CK_UncheckedDerivedToBase, 156923cba801e11b03929c44f8cf54578305963a3476John McCall 1570714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson /// CK_Dynamic - Dynamic cast. 15714d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson CK_Dynamic, 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15734d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson /// CK_ToUnion - Cast to union (GCC extension). 1574112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson CK_ToUnion, 15751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1576112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson /// CK_ArrayToPointerDecay - Array to pointer decay. 157727a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_ArrayToPointerDecay, 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson // CK_FunctionToPointerDecay - Function to pointer decay. 1580b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson CK_FunctionToPointerDecay, 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158227a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_NullToMemberPointer - Null pointer to member pointer. 158327a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_NullToMemberPointer, 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158527a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_BaseToDerivedMemberPointer - Member pointer in base class to 158627a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// member pointer in derived class. 15879099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian CK_BaseToDerivedMemberPointer, 15889099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian 15891a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// CK_DerivedToBaseMemberPointer - Member pointer in derived class to 15901a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// member pointer in base class. 15911a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson CK_DerivedToBaseMemberPointer, 15921a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// CK_UserDefinedConversion - Conversion using a user defined type 159458d3f1af9b4efa426826816a16894986b78b2692Fariborz Jahanian /// conversion function. 15957fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian CK_UserDefinedConversion, 15967fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian 15977fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian /// CK_ConstructorConversion - Conversion by constructor 15987f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_ConstructorConversion, 15997f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 16007f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_IntegralToPointer - Integral to pointer 16017f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_IntegralToPointer, 16027f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 16037f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_PointerToIntegral - Pointer to integral 1604ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson CK_PointerToIntegral, 1605ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson 1606ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson /// CK_ToVoid - Cast to void. 160716a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson CK_ToVoid, 160816a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson 160916a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// CK_VectorSplat - Casting from an integer/floating type to an extended 161016a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// vector type with the same element type as the src type. Splats the 1611f67cea84bac1d3417f0baaf1fcbc86ee126e2d87Anders Carlsson /// src expression into the destination expression. 161282debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_VectorSplat, 161382debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 161482debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralCast - Casting between integral types of different size. 161582debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralCast, 161682debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 161782debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralToFloating - Integral to floating point. 161882debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralToFloating, 161982debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 162082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingToIntegral - Floating point to integral. 162182debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_FloatingToIntegral, 162282debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 162382debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingCast - Casting between floating types of different size. 1624bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson CK_FloatingCast, 1625bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1626bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson /// CK_MemberPointerToBoolean - Member pointer to boolean 162792ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian CK_MemberPointerToBoolean, 162892ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian 162992ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// CK_AnyPointerToObjCPointerCast - Casting any pointer to objective-c 163092ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// pointer 16313b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToObjCPointerCast, 16323b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// CK_AnyPointerToBlockPointerCast - Casting any pointer to block 16333b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// pointer 16343b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToBlockPointerCast 1635bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1636cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson }; 16371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1638cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonprivate: 1639cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind Kind; 16400835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 16410835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 1642c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(StmtClass SC, QualType ty, const CastKind kind, Expr *op) : 1643898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(SC, ty, 1644898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are type-dependent if the type is 1645898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent (C++ [temp.dep.expr]p3). 1646898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ty->isDependentType(), 1647898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are value-dependent if the type is 1648898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent or if the subexpression is value-dependent. 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ty->isDependentType() || (op && op->isValueDependent())), 1650c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson Kind(kind), Op(op) {} 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1652087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty cast. 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CastExpr(StmtClass SC, EmptyShell Empty) 1654087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : Expr(SC, Empty) { } 16551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16560835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 1657cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind getCastKind() const { return Kind; } 1658cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson void setCastKind(CastKind K) { Kind = K; } 1659f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson const char *getCastKindName() const; 1660f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 16610835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 16620835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 1663087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor void setSubExpr(Expr *E) { Op = E; } 1664087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 16656eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Retrieve the cast subexpression as it was written in the source 16666eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// code, looking through any implicit casts or other intermediate nodes 16676eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// introduced by semantic analysis. 16686eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *getSubExprAsWritten(); 16696eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *getSubExprAsWritten() const { 16706eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return const_cast<CastExpr *>(this)->getSubExprAsWritten(); 16716eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 16726eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 16749d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 16759d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 16769d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 16779d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16786eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ImplicitCastExprClass && SC <= CStyleCastExprClass) 16790835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 16809d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 16820835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 16830835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 16841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16850835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 16860835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 16870835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 16880835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 16890835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 169049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 169149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 169249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 169349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 169449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 1695bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 1696bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 1697bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// an lvalue. For example: 1698bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 1699bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 1700bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 1701bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 17021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// void f(Derived d) { 1703bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// Base& b = d; // initializer is an ImplicitCastExpr to an lvalue of type Base 1704bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 1705bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 17060835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 1707eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// LvalueCast - Whether this cast produces an lvalue. 1708eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool LvalueCast; 1709eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 171049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 1711c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ImplicitCastExpr(QualType ty, CastKind kind, Expr *op, bool Lvalue) : 1712c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(ImplicitCastExprClass, ty, kind, op), LvalueCast(Lvalue) { } 171390045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1714087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty implicit cast. 17151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitCastExpr(EmptyShell Shell) 1716087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : CastExpr(ImplicitCastExprClass, Shell) { } 1717087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 1718087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 17190835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 17200835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 17210835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 172290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1723eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// isLvalueCast - Whether this cast produces an lvalue. 1724eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool isLvalueCast() const { return LvalueCast; } 1725eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 1726eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// setLvalueCast - Set whether this cast produces an lvalue. 1727eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor void setLvalueCast(bool Lvalue) { LvalueCast = Lvalue; } 1728eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 17291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImplicitCastExprClass; 173149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 173249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 173349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 173449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 173549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 17361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// code. 173749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 173849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 173949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 174049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 174149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 174249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 17435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 174449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 174549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 174649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 174749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 174849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 174949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// expression will be an lvalue. The reference type, however, will 175049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// not be used as the type of the expression. 17510835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 17529d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// TInfo - Source type info for the (written) type 17539d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// this expression is casting to. 17549d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo; 175549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 175649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 1757c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ExplicitCastExpr(StmtClass SC, QualType exprTy, CastKind kind, 17589d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *op, TypeSourceInfo *writtenTy) 17599d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall : CastExpr(SC, exprTy, kind, op), TInfo(writtenTy) {} 176049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 1761db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty explicit cast. 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(StmtClass SC, EmptyShell Shell) 1763db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : CastExpr(SC, Shell) { } 1764db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 176549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 17669d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// getTypeInfoAsWritten - Returns the type source info for the type 17679d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// that this expression is casting to. 17689d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *getTypeInfoAsWritten() const { return TInfo; } 17699d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall void setTypeInfoAsWritten(TypeSourceInfo *writtenTy) { TInfo = writtenTy; } 17709d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 177149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 177249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 17739d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall QualType getTypeAsWritten() const { return TInfo->getType(); } 177449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17769d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 177709cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall if (SC >= CStyleCastExprClass && SC <= CStyleCastExprClass) 17789d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 17799d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 178049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 17819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 17829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 178349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 178449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 178549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 178649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17876eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 178849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 178949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 17906eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 1791b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 1792b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17949d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr(QualType exprTy, CastKind kind, Expr *op, 17959d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *writtenTy, 17969d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall SourceLocation l, SourceLocation r) : 17971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(CStyleCastExprClass, exprTy, kind, op, writtenTy), 1798b2f9e516327310d95840d442416084508f80c183Steve Naroff LPLoc(l), RPLoc(r) {} 179949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 1800db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty C-style explicit cast. 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CStyleCastExpr(EmptyShell Shell) 1802db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : ExplicitCastExpr(CStyleCastExprClass, Shell) { } 1803db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1804b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 1805db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLParenLoc(SourceLocation L) { LPLoc = L; } 1806db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1807b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 1808db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRParenLoc(SourceLocation L) { RPLoc = L; } 1809db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 1811b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CStyleCastExprClass; 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18166eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18193fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A builtin binary operation expression such as "x + y" or "x <= y". 18203fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 18213fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// This expression node kind describes a builtin binary operation, 18223fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// such as "x + y" for integer values "x" and "y". The operands will 18233fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// already have been converted to appropriate types (e.g., by 18243fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// performing promotions or conversions). 18253fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 18263fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In C++, where operators may be overloaded, a different kind of 18273fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// expression node (CXXOperatorCallExpr) is used to express the 18283fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// invocation of an overloaded operator with operator syntax. Within 18293fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// a C++ template, whether BinaryOperator or CXXOperatorCallExpr is 18303fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to store an expression "x + y" depends on the subexpressions 18313fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// for x and y. If neither x or y is type-dependent, and the "+" 18323fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// operator resolves to a built-in operation, BinaryOperator will be 18333fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to express the computation (x and y may still be 18343fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// value-dependent). If either x or y is type-dependent, or if the 18353fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// "+" resolves to an overloaded operator, CXXOperatorCallExpr will 18363fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// be used to express the computation. 18375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 18385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 18405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 184103d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 1842224605064a4ef87d1c3d35ad1cb363f8b534012bSebastian Redl PtrMemD, PtrMemI, // [C++ 5.5] Pointer-to-member operators. 18435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 18445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 18455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 18465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 18475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 18485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 18495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 18525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 18545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 186117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 186217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 18635549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 186417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 186517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 18661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 18671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 186817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 186917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 1870898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(BinaryOperatorClass, ResTy, 1871898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor lhs->isTypeDependent() || rhs->isTypeDependent(), 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump lhs->isValueDependent() || rhs->isValueDependent()), 1873898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Opc(opc), OpLoc(opLoc) { 18741237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 18751237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!isCompoundAssignmentOp() && 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1880db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty binary operator. 18811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit BinaryOperator(EmptyShell Empty) 1882db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : Expr(BinaryOperatorClass, Empty), Opc(Comma) { } 1883db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 188417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 1885db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 1886db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 1888db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 1889db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1891db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 18925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1893db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 1894db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 19015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 19025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1903063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the binary opcode that corresponds to the given 1904063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// overloaded operator. 1905063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO); 1906063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 1907063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 1908063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// the given binary opcode. 1909063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 1910063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 19125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 191440a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek static bool isShiftOp(Opcode Opc) { return Opc == Shl || Opc == Shr; } 191540a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek bool isShiftOp() const { return isShiftOp(Opc); } 1916aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1917aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isBitwiseOp(Opcode Opc) { return Opc >= And && Opc <= Or; } 1918aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isBitwiseOp() const { return isBitwiseOp(Opc); } 1919f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1920f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 1921f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 1922f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 1924f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1926aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isComparisonOp(Opcode Opc) { return Opc >= LT && Opc <= NE; } 1927aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isComparisonOp() const { return isComparisonOp(Opc); } 1928aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1929f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 1930f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 1931f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 19345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 1937eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S->getStmtClass() == CompoundAssignOperatorClass; 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 19411237c673c07f9d827129ba02720108816abde562Ted Kremenek 19421237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 19431237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 19441237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 19451237c673c07f9d827129ba02720108816abde562Ted Kremenek 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 194717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 19482333f7727f97018d6742e1e0938133bcfad967abEli Friedman SourceLocation opLoc, bool dead) 19492333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CompoundAssignOperatorClass, ResTy, 19502333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isTypeDependent() || rhs->isTypeDependent(), 19512333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isValueDependent() || rhs->isValueDependent()), 19522333f7727f97018d6742e1e0938133bcfad967abEli Friedman Opc(opc), OpLoc(opLoc) { 19531237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 19541237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1956ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 19571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator(StmtClass SC, EmptyShell Empty) 1958ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(SC, Empty), Opc(MulAssign) { } 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 1968ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationLHSType; 1969ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationResultType; 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 1972ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ResType, QualType CompLHSType, 1973ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType CompResultType, 197417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 197517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 1976ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationLHSType(CompLHSType), 1977ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationResultType(CompResultType) { 19781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isCompoundAssignmentOp() && 19795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1982ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty compound assignment operator expression. 1983ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit CompoundAssignOperator(EmptyShell Empty) 1984ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : BinaryOperator(CompoundAssignOperatorClass, Empty) { } 1985ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1986ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // The two computation types are the type the LHS is converted 1987ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // to for the computation and the type of the result; the two are 1988ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // distinct in a few cases (specifically, int+=ptr and ptr-=ptr). 1989ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationLHSType() const { return ComputationLHSType; } 1990ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationLHSType(QualType T) { ComputationLHSType = T; } 1991ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1992ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationResultType() const { return ComputationResultType; } 1993ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationResultType(QualType T) { ComputationResultType = T; } 1994ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 19955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 19961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return S->getStmtClass() == CompoundAssignOperatorClass; 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 20051237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 20065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 200747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation QuestionLoc, ColonLoc; 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 200947e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ConditionalOperator(Expr *cond, SourceLocation QLoc, Expr *lhs, 201047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation CLoc, Expr *rhs, QualType t) 2011898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ConditionalOperatorClass, t, 2012898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // FIXME: the type of the conditional operator doesn't 2013898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // depend on the type of the conditional, but the standard 2014898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // seems to imply that it could. File a bug! 2015898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ((lhs && lhs->isTypeDependent()) || (rhs && rhs->isTypeDependent())), 20161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (cond->isValueDependent() || 2017898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor (lhs && lhs->isValueDependent()) || 201847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor (rhs && rhs->isValueDependent()))), 201947e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor QuestionLoc(QLoc), 202047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ColonLoc(CLoc) { 20211237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 20221237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 20231237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 20241237c673c07f9d827129ba02720108816abde562Ted Kremenek } 20255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2026ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty conditional operator. 2027ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit ConditionalOperator(EmptyShell Empty) 2028ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(ConditionalOperatorClass, Empty) { } 2029ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2030395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 2031395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 20325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 2033ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 2034395a2abf0028968d85958610e393e067885dc14fTed Kremenek 2035395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2036395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 2037395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 2038395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 2039395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 20401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // is only evaluated once. 2041395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 20425549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 2043395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 20441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2045395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2046395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 20475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20495549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 2050ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 2051ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 20525549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2053ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 20545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 205547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getQuestionLoc() const { return QuestionLoc; } 205647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setQuestionLoc(SourceLocation L) { QuestionLoc = L; } 205747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 205847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 205947e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 206047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ConditionalOperatorClass; 20665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 20681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20691237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 20701237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 20711237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20746481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 20756481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 20765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 20775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 20785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20796481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 20806481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 20812333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(AddrLabelExprClass, t, false, false), 20822333f7727f97018d6742e1e0938133bcfad967abEli Friedman AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 20831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20847d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty address of a label expression. 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit AddrLabelExpr(EmptyShell Empty) 20867d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Expr(AddrLabelExprClass, Empty) { } 20877d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20887d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getAmpAmpLoc() const { return AmpAmpLoc; } 20897d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setAmpAmpLoc(SourceLocation L) { AmpAmpLoc = L; } 20907d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 20917d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 20927d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 20945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 20955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 20987d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabel(LabelStmt *S) { Label = S; } 20997d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 21005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == AddrLabelExprClass; 21025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21036481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21051237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21061237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 21085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2109ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2110ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 2111ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 2112ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 2113ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 21145549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 2115ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 2116ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 21172333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Does type-dependence need to be computed differently? 2118d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 2119d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 21202333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(StmtExprClass, T, T->isDependentType(), false), 21212333f7727f97018d6742e1e0938133bcfad967abEli Friedman SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 21221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21236a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor /// \brief Build an empty statement expression. 21246a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor explicit StmtExpr(EmptyShell Empty) : Expr(StmtExprClass, Empty) { } 21256a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 21265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 21275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 21286a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setSubStmt(CompoundStmt *S) { SubStmt = S; } 21296a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 2130ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 2131ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 2132ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 21331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2134026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 21356a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2136026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 21376a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2139ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StmtExprClass; 2141ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 2142ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 21431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21441237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21451237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21461237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2147ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 2148ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2149dc241b42c7588f99027b035a09b71557a6db219eDouglas Gregor/// TypesCompatibleExpr - GNU builtin-in function __builtin_types_compatible_p. 2150d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 2151d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 2152d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 2153d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 2154d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 2155d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 2156363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2157d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 21591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType t1, QualType t2, SourceLocation RP) : 21602333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(TypesCompatibleExprClass, ReturnType, false, false), 21612333f7727f97018d6742e1e0938133bcfad967abEli Friedman Type1(t1), Type2(t2), BuiltinLoc(BLoc), RParenLoc(RP) {} 2162d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 216344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_type_compatible_p expression. 216444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit TypesCompatibleExpr(EmptyShell Empty) 216544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor : Expr(TypesCompatibleExprClass, Empty) { } 216644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 21677f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 216844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType1(QualType T) { Type1 = T; } 21697f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 217044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType2(QualType T) { Type2 = T; } 21711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 217344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 217644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2178d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 2179363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2180d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2181d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 21821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == TypesCompatibleExprClass; 2183d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2184d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21861237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21871237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21881237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2189d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 2190d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 2191d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 2192d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 2193d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 2194d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 2195d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 2196d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 2197d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 2198d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 2199d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2200d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 2201d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 2202d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 2203d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 22045549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 2205d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 2206d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2207888376a2bbcfc2f047902249f8455918e2489ae1Nate Begemanprotected: 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 2209888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman 2210d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 22112333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can a shufflevector be value-dependent? Does type-dependence need 22122333f7727f97018d6742e1e0938133bcfad967abEli Friedman // to be computed differently? 2213a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman ShuffleVectorExpr(ASTContext &C, Expr **args, unsigned nexpr, 22141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Type, SourceLocation BLoc, 22151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation RP) : 22162333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(ShuffleVectorExprClass, Type, Type->isDependentType(), false), 22172333f7727f97018d6742e1e0938133bcfad967abEli Friedman BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(nexpr) { 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2219a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman SubExprs = new (C) Stmt*[nexpr]; 2220d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 2221d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 2222d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 222394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 222494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor /// \brief Build an empty vector-shuffle expression. 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ShuffleVectorExpr(EmptyShell Empty) 222694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(ShuffleVectorExprClass, Empty), SubExprs(0) { } 222794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 222894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 222994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 223194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 223294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 223394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2234d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 2235d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 2236d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2237d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ShuffleVectorExprClass; 2239d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2240d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2242888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman ~ShuffleVectorExpr() {} 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2244d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 2245d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 2246d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 2247d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 22481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2249d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 2250d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 2251d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22525549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2253d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2254d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 2255d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22565549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2257d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2259888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman void setExprs(ASTContext &C, Expr ** Exprs, unsigned NumExprs); 226094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2261dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 2262dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 22639a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman return getExpr(N+2)->EvaluateAsInt(Ctx).getZExtValue(); 2264d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2266d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 2267d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 2268d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 2269d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 2270d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2271d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 22721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This AST node is similar to the conditional operator (?:) in C, with 2273d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 22747976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the test expression must be a integer constant expression. 22757976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the expression returned acts like the chosen subexpression in every 22767976932a1c256d447316ffac58e9821417725e34Eli Friedman/// visible way: the type is the same as that of the chosen subexpression, 22777976932a1c256d447316ffac58e9821417725e34Eli Friedman/// and all predicates (whether it's an l-value, whether it's an integer 22787976932a1c256d447316ffac58e9821417725e34Eli Friedman/// constant expression, etc.) return the same result as for the chosen 22797976932a1c256d447316ffac58e9821417725e34Eli Friedman/// sub-expression. 2280d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 22811237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 22825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 2283d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2284d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 2285d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 2286ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor SourceLocation RP, bool TypeDependent, bool ValueDependent) 2287ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor : Expr(ChooseExprClass, t, TypeDependent, ValueDependent), 22881237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 22891237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 22901237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 22911237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 22937976932a1c256d447316ffac58e9821417725e34Eli Friedman 229444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_choose_expr. 229544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit ChooseExpr(EmptyShell Empty) : Expr(ChooseExprClass, Empty) { } 229644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 22977976932a1c256d447316ffac58e9821417725e34Eli Friedman /// isConditionTrue - Return whether the condition is true (i.e. not 22987976932a1c256d447316ffac58e9821417725e34Eli Friedman /// equal to zero). 229927437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 23007976932a1c256d447316ffac58e9821417725e34Eli Friedman 23017976932a1c256d447316ffac58e9821417725e34Eli Friedman /// getChosenSubExpr - Return the subexpression chosen according to the 23027976932a1c256d447316ffac58e9821417725e34Eli Friedman /// condition. 23037976932a1c256d447316ffac58e9821417725e34Eli Friedman Expr *getChosenSubExpr(ASTContext &C) const { 23047976932a1c256d447316ffac58e9821417725e34Eli Friedman return isConditionTrue(C) ? getLHS() : getRHS(); 23057976932a1c256d447316ffac58e9821417725e34Eli Friedman } 23067976932a1c256d447316ffac58e9821417725e34Eli Friedman 23075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 230844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 23095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 231044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 23115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 231244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 231344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 231444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 231544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 231844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 23191237c673c07f9d827129ba02720108816abde562Ted Kremenek 2320d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 2321d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2322d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2323d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 23241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ChooseExprClass; 2325d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2326d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 23271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 23291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 23301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2331d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 2332d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 23332d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// GNUNullExpr - Implements the GNU __null extension, which is a name 23342d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// for a null pointer constant that has integral type (e.g., int or 23352d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// long) and is the same size and alignment as a pointer. The __null 23362d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// extension is typically only used by system headers, which define 23372d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// NULL as __null in C++ rather than using 0 (which is an integer 23382d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// that may not match the size of a pointer). 23392d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorclass GNUNullExpr : public Expr { 23402d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// TokenLoc - The location of the __null keyword. 23412d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation TokenLoc; 23422d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23432d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorpublic: 23441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GNUNullExpr(QualType Ty, SourceLocation Loc) 23452333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(GNUNullExprClass, Ty, false, false), TokenLoc(Loc) { } 23462d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 234744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty GNU __null expression. 234844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit GNUNullExpr(EmptyShell Empty) : Expr(GNUNullExprClass, Empty) { } 234944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 23502d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// getTokenLocation - The location of the __null token. 23512d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation getTokenLocation() const { return TokenLoc; } 235244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setTokenLocation(SourceLocation L) { TokenLoc = L; } 23532d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23542d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual SourceRange getSourceRange() const { 23552d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor return SourceRange(TokenLoc); 23562d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23572d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const Stmt *T) { 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GNUNullExprClass; 23592d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23602d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const GNUNullExpr *) { return true; } 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23622d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // Iterators 23632d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_begin(); 23642d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_end(); 23652d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor}; 23662d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23677c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 23687c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 23695549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 23707c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 23717c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 23727c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 23732333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(VAArgExprClass, t, t->isDependentType(), false), 23747c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 23757c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 23767c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 23771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2378d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Create an empty __builtin_va_start expression. 2379d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit VAArgExpr(EmptyShell Empty) : Expr(VAArgExprClass, Empty) { } 2380d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 23825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 2383d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 2384d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2385d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 2386d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2388d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2389d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2390d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23917c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 23927c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 23931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 23947c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 23957c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 23967c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 23977c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 23981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23997c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 24007c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 24011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 24027c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @brief Describes an C or C++ initializer list. 24054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 24064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// InitListExpr describes an initializer list, which can be used to 24074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initialize objects of different types, including 24084c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct/class/union types, arrays, and vectors. For example: 24094c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 24104c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @code 24114c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct foo x = { 1, { 2, 3 } }; 24124c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @endcode 2413196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24144c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Prior to semantic analysis, an initializer list will represent the 24154c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer list as written by the user, but will have the 24164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// placeholder type "void". This initializer list is called the 24174c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// syntactic form of the initializer, and may contain C99 designated 24184c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializers (represented as DesignatedInitExprs), initializations 24194c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// of subobject members without explicit braces, and so on. Clients 24204c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// interested in the original syntax of the initializer list should 24214c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// use the syntactic form of the initializer list. 2422196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24234c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// After semantic analysis, the initializer list will represent the 24244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// semantic form of the initializer, where the initializations of all 24254c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// subobjects are made explicit with nested InitListExpr nodes and 24264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// C99 designators have been eliminated by placing the designated 24274c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializations into the subobject they initialize. Additionally, 24284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// any "holes" in the initialization, where no initializer has been 24294c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// specified for a particular subobject, will be replaced with 24303498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// implicitly-generated ImplicitValueInitExpr expressions that 24314c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// value-initialize the subobjects. Note, however, that the 24324c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer lists may still have fewer initializers than there are 24334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// elements to initialize within the object. 2434196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24354c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Given the semantic form of the initializer list, one can retrieve 24364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// the original syntactic form of that initializer list (if it 24374c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// exists) using getSyntacticForm(). Since many initializer lists 24384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// have the same syntactic and semantic forms, getSyntacticForm() may 24394c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// return NULL, indicating that the current initializer list also 24404c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// serves as its syntactic form. 244166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 2442ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek // FIXME: Eliminate this vector in favor of ASTContext allocation 2443ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek std::vector<Stmt *> InitExprs; 244466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24464c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// Contains the initializer list that describes the syntactic form 24474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// written in the source code. 24484c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *SyntacticForm; 24494c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 24500bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// If this initializer list initializes a union, specifies which 24510bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// field within the union will be initialized. 24520bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *UnionFieldInit; 24530bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2454a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// Whether this initializer list originally had a GNU array-range 2455a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// designator in it. This is a temporary marker used by CodeGen. 2456a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool HadArrayRangeDesignator; 2457a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 245866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 2459ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 2460ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek SourceLocation rbraceloc); 2461d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2462d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Build an empty initializer list. 2463d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit InitListExpr(EmptyShell Empty) : Expr(InitListExprClass, Empty) { } 24641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2465ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek unsigned getNumInits() const { return InitExprs.size(); } 24661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getInit(unsigned Init) const { 2468c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24694c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 247066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getInit(unsigned Init) { 2473c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24744c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 247566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setInit(unsigned Init, Expr *expr) { 2478c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24799e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 24809e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 2481c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 2482fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor /// \brief Reserve space for some number of initializers. 2483ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek void reserveInits(unsigned NumInits); 24841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24854c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Specify the number of initializers 24864c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 24874c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// If there are more than @p NumInits initializers, the remaining 24884c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializers will be destroyed. If there are fewer than @p 24894c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// NumInits initializers, NULL expressions will be added for the 24904c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// unknown initializers. 24914c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void resizeInits(ASTContext &Context, unsigned NumInits); 24924c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 24934c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Updates the initializer at index @p Init with the new 24944c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// expression @p expr, and returns the old expression at that 24954c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// location. 24964c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 24974c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// When @p Init is out of range for this initializer list, the 24984c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializer list will be extended with NULL expressions to 24994c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// accomodate the new entry. 2500ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek Expr *updateInit(unsigned Init, Expr *expr); 2501c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 25020bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// \brief If this initializes a union, specifies which field in the 25030bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union to initialize. 25040bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// 25050bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// Typically, this field is the first named field within the 25060bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union. However, a designated initializer can specify the 25070bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// initialization of a different field within the union. 25080bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *getInitializedFieldInUnion() { return UnionFieldInit; } 25090bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor void setInitializedFieldInUnion(FieldDecl *FD) { UnionFieldInit = FD; } 25100bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2511c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 2512c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 2513b3eef68111ffc220e449be96da1747998c057790Douglas Gregor bool isExplicit() { 2514b3eef68111ffc220e449be96da1747998c057790Douglas Gregor return LBraceLoc.isValid() && RBraceLoc.isValid(); 2515b3eef68111ffc220e449be96da1747998c057790Douglas Gregor } 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2517d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getLBraceLoc() const { return LBraceLoc; } 2518d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } 2519d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getRBraceLoc() const { return RBraceLoc; } 252087fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor void setRBraceLoc(SourceLocation Loc) { RBraceLoc = Loc; } 252187fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor 25224c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Retrieve the initializer list that describes the 25234c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// syntactic form of the initializer. 25244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 25251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 25264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *getSyntacticForm() const { return SyntacticForm; } 25274c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void setSyntacticForm(InitListExpr *Init) { SyntacticForm = Init; } 25284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2529a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool hadArrayRangeDesignator() const { return HadArrayRangeDesignator; } 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void sawArrayRangeDesignator(bool ARD = true) { 2531d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor HadArrayRangeDesignator = ARD; 2532a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor } 2533a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 253466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 253566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 25361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 253766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 25381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == InitListExprClass; 253966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 254066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 25411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 254266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 254366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 254466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2546ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek typedef std::vector<Stmt *>::iterator iterator; 2547ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek typedef std::vector<Stmt *>::reverse_iterator reverse_iterator; 25481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2549ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator begin() { return InitExprs.begin(); } 2550ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator end() { return InitExprs.end(); } 2551ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 2552ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rend() { return InitExprs.rend(); } 255366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 255466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 255505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @brief Represents a C99 designated initializer expression. 255605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 255705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// A designated initializer expression (C99 6.7.8) contains one or 255805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// more designators (which can be field designators, array 255905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, or GNU array-range designators) followed by an 256005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// expression that initializes the field or element(s) that the 256105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators refer to. For example, given: 25621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 256305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @code 256405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point { 256505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double x; 256605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double y; 256705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// }; 256805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; 256905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @endcode 257005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 257105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// The InitListExpr contains three DesignatedInitExprs, the first of 257205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// which covers @c [2].y=1.0. This DesignatedInitExpr will have two 257305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, one array designator for @c [2] followed by one field 257405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designator for @c .y. The initalization expression will be 1.0. 257505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorclass DesignatedInitExpr : public Expr { 2576ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorpublic: 2577ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Forward declaration of the Designator class. 2578ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor class Designator; 2579ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2580ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorprivate: 258105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '=' or ':' prior to the actual initializer 258205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expression. 258305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc; 258405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2585eeae8f072748affce25ab4064982626361293390Douglas Gregor /// Whether this designated initializer used the GNU deprecated 258605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// syntax rather than the C99 '=' syntax. 2587eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax : 1; 258805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 258905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of designators in this initializer expression. 259005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators : 15; 259105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2592ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief The designators in this designated initialization 2593ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// expression. 2594ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator *Designators; 2595ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 259605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of subexpressions of this initializer expression, 259705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// which contains both the initializer and any additional 259805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expressions used by array and array-range designators. 259905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumSubExprs : 16; 260005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2601ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2602319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor DesignatedInitExpr(ASTContext &C, QualType Ty, unsigned NumDesignators, 2603ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 2604eeae8f072748affce25ab4064982626361293390Douglas Gregor SourceLocation EqualOrColonLoc, bool GNUSyntax, 26059ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 26069ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init); 260705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2608d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit DesignatedInitExpr(unsigned NumSubExprs) 2609d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(DesignatedInitExprClass, EmptyShell()), 2610d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators(0), Designators(0), NumSubExprs(NumSubExprs) { } 2611d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 261242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 261442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 2615319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void DestroyDesignators(ASTContext &C); 2616319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor 261705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorpublic: 261805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 261905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator { 262005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Refers to the field that is being initialized. The low bit 262105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// of this field determines whether this is actually a pointer 262205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// to an IdentifierInfo (if 1) or a FieldDecl (if 0). When 262305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initially constructed, a field designator will store an 262405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// IdentifierInfo*. After semantic analysis has resolved that 262505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// name, the field designator will instead store a FieldDecl*. 262605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor uintptr_t NameOrField; 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '.' in the designated initializer. 262905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned DotLoc; 26301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the field name in the designated initializer. 263205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned FieldLoc; 263305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 263405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 263505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 263605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator { 263705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Location of the first index expression within the designated 263805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer expression's list of subexpressions. 263905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned Index; 264005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '[' starting the array range designator. 264105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned LBracketLoc; 264205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ellipsis separating the start and end 264305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// indices. Only valid for GNU array-range designators. 264405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned EllipsisLoc; 264505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ']' terminating the array range designator. 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned RBracketLoc; 264705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 264805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 264905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Represents a single C99 designator. 265005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// 265105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @todo This class is infuriatingly similar to clang::Designator, 265205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// but minor differences (storing indices vs. storing pointers) 265305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// keep us from reusing it. Try harder, later, to rectify these 265405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// differences. 265505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor class Designator { 265605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief The kind of designator this describes. 265705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor enum { 265805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDesignator, 265905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayDesignator, 266005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayRangeDesignator 266105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } Kind; 266205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 266305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor union { 266405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 266505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator Field; 266605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 266705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator ArrayOrRange; 266805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 266905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor friend class DesignatedInitExpr; 267005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 267105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor public: 2672ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator() {} 2673ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 267405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a field designator. 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(const IdentifierInfo *FieldName, SourceLocation DotLoc, 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation FieldLoc) 267705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(FieldDesignator) { 267805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FieldName) | 0x01; 267905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.DotLoc = DotLoc.getRawEncoding(); 268005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.FieldLoc = FieldLoc.getRawEncoding(); 268105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 268205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 268305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes an array designator. 26841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 268505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation RBracketLoc) 268605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayDesignator) { 268705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 268805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 268905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = SourceLocation().getRawEncoding(); 269005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 269105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 269205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 269305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a GNU array-range designator. 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 269505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EllipsisLoc, SourceLocation RBracketLoc) 269605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayRangeDesignator) { 269705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 269805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 269905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = EllipsisLoc.getRawEncoding(); 270005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 270105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 270205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 270305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isFieldDesignator() const { return Kind == FieldDesignator; } 270405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayDesignator() const { return Kind == ArrayDesignator; } 270505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayRangeDesignator() const { return Kind == ArrayRangeDesignator; } 270605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 270705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor IdentifierInfo * getFieldName(); 270805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 270905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDecl *getField() { 271005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 271105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 271205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return 0; 271305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 271405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<FieldDecl *>(Field.NameOrField); 271505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 271605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setField(FieldDecl *FD) { 271805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 271905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FD); 272005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 272105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 272287f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor SourceLocation getDotLoc() const { 272387f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 272487f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor return SourceLocation::getFromRawEncoding(Field.DotLoc); 272587f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor } 272687f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor 272705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getFieldLoc() const { 272805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 272905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(Field.FieldLoc); 273005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 273105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 273205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getLBracketLoc() const { 273305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 273405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 273505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.LBracketLoc); 273605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 273705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 273805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getRBracketLoc() const { 273905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 274005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 274105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.RBracketLoc); 274205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 274305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 274405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEllipsisLoc() const { 274505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == ArrayRangeDesignator && 274605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array-range designator"); 274705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.EllipsisLoc); 274805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 27494c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2750d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getFirstExprIndex() const { 2751d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 2752d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor "Only valid on an array or array-range designator"); 2753d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return ArrayOrRange.Index; 2754d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2755d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 27564c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation getStartLocation() const { 27574c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor if (Kind == FieldDesignator) 27584c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc(); 27594c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor else 27604c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getLBracketLoc(); 27614c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 276205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 276305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 27641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static DesignatedInitExpr *Create(ASTContext &C, Designator *Designators, 276505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 276605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 276705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc, 2768eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax, Expr *Init); 276905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2770d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor static DesignatedInitExpr *CreateEmpty(ASTContext &C, unsigned NumIndexExprs); 2771d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 277205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Returns the number of designators in this initializer. 277305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned size() const { return NumDesignators; } 277405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 277505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterator access to the designators. 277605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor typedef Designator* designators_iterator; 2777ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor designators_iterator designators_begin() { return Designators; } 27781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump designators_iterator designators_end() { 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Designators + NumDesignators; 2780ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 278105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2782711997184366d584c9c437102cae1e9d9927b986Douglas Gregor Designator *getDesignator(unsigned Idx) { return &designators_begin()[Idx]; } 2783711997184366d584c9c437102cae1e9d9927b986Douglas Gregor 2784319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void setDesignators(ASTContext &C, const Designator *Desigs, 2785319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesigs); 2786d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 278705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayIndex(const Designator& D); 278805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeStart(const Designator& D); 278905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeEnd(const Designator& D); 279005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 279105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the location of the '=' that precedes the 279205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer value itself, if present. 279305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEqualOrColonLoc() const { return EqualOrColonLoc; } 2794d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setEqualOrColonLoc(SourceLocation L) { EqualOrColonLoc = L; } 279505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 279605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Determines whether this designated initializer used the 2797eeae8f072748affce25ab4064982626361293390Douglas Gregor /// deprecated GNU syntax for designated initializers. 2798eeae8f072748affce25ab4064982626361293390Douglas Gregor bool usesGNUSyntax() const { return GNUSyntax; } 2799d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setGNUSyntax(bool GNU) { GNUSyntax = GNU; } 280005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 280105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the initializer value. 28021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getInit() const { 280305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*const_cast<DesignatedInitExpr*>(this)->child_begin()); 280405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 280505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 280605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setInit(Expr *init) { 280705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor *child_begin() = init; 280805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 280905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2810d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Retrieve the total number of subexpressions in this 2811d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// designated initializer expression, including the actual 2812d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// initialized value and any expressions that occur within array 2813d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// and array-range designators. 2814d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getNumSubExprs() const { return NumSubExprs; } 2815d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2816d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Expr *getSubExpr(unsigned Idx) { 2817d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2818d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2819d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2820d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx]; 2821d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2822d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2823d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setSubExpr(unsigned Idx, Expr *E) { 2824d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2825d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2826d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2827d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx] = E; 2828d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2829d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2830ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Replaces the designator at index @p Idx with the series 2831ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// of designators in [First, Last). 2832319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void ExpandDesignator(ASTContext &C, unsigned Idx, const Designator *First, 2833ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last); 2834ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 283505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual SourceRange getSourceRange() const; 283605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 283705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const Stmt *T) { 28381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DesignatedInitExprClass; 283905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 284005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const DesignatedInitExpr *) { return true; } 284105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 284205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterators 284305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual child_iterator child_begin(); 28441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 28453498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor}; 28463498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28473498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// \brief Represents an implicitly-generated value initialization of 28483498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// an object of a given type. 28493498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// 28501a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// Implicit value initializations occur within semantic initializer 28511a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// list expressions (InitListExpr) as placeholders for subobject 28523498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// initializations not explicitly specified by the user. 28531a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// 28541a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// \see InitListExpr 28551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ImplicitValueInitExpr : public Expr { 28563498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregorpublic: 28571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitValueInitExpr(QualType ty) 28582333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImplicitValueInitExprClass, ty, false, false) { } 28593498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 2860d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Construct an empty implicit value initialization. 2861d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit ImplicitValueInitExpr(EmptyShell Empty) 2862d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(ImplicitValueInitExprClass, Empty) { } 2863d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 28641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28653498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return T->getStmtClass() == ImplicitValueInitExprClass; 28663498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28673498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor static bool classof(const ImplicitValueInitExpr *) { return true; } 28683498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28693498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual SourceRange getSourceRange() const { 28703498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return SourceRange(); 28713498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28723498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28733498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor // Iterators 28743498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual child_iterator child_begin(); 28751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 287605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor}; 287705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 28782ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28792ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanclass ParenListExpr : public Expr { 28802ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Stmt **Exprs; 28812ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned NumExprs; 28822ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation LParenLoc, RParenLoc; 28832ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpprotected: 28852ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual void DoDestroy(ASTContext& C); 28861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28872ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanpublic: 28881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenListExpr(ASTContext& C, SourceLocation lparenloc, Expr **exprs, 28892ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned numexprs, SourceLocation rparenloc); 28902ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28912ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman ~ParenListExpr() {} 28922ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28932ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman /// \brief Build an empty paren list. 28942ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman //explicit ParenListExpr(EmptyShell Empty) : Expr(ParenListExprClass, Empty) { } 28951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28962ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned getNumExprs() const { return NumExprs; } 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getExpr(unsigned Init) const { 28992ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 29002ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 29012ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getExpr(unsigned Init) { 29042ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 29052ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 29062ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29072ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 290883ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor Expr **getExprs() { return reinterpret_cast<Expr **>(Exprs); } 29091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29102ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getLParenLoc() const { return LParenLoc; } 29112ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getRParenLoc() const { return RParenLoc; } 29122ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29132ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual SourceRange getSourceRange() const { 29142ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return SourceRange(LParenLoc, RParenLoc); 29151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 29162ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const Stmt *T) { 29171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenListExprClass; 29182ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29192ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const ParenListExpr *) { return true; } 29201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29212ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman // Iterators 29222ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_begin(); 29232ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_end(); 29242ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman}; 29252ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29274eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29284eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 29294eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29304eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 2931a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 2932a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 2933a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 2934a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 2935a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 293673525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// Note that the base may have either vector or pointer to vector type, just 293773525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// like a struct field reference. 293873525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// 2939a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 2940a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 2941d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo *Accessor; 2942a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 2943a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 2944a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 2945a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 29462333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ExtVectorElementExprClass, ty, base->isTypeDependent(), 29472333f7727f97018d6742e1e0938133bcfad967abEli Friedman base->isValueDependent()), 2948d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor Base(base), Accessor(&accessor), AccessorLoc(loc) {} 29491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2950d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Build an empty vector element expression. 2951d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit ExtVectorElementExpr(EmptyShell Empty) 2952d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor : Expr(ExtVectorElementExprClass, Empty) { } 2953d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2954a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 2955a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 2956d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBase(Expr *E) { Base = E; } 2957d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2958d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo &getAccessor() const { return *Accessor; } 2959d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessor(IdentifierInfo *II) { Accessor = II; } 2960d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2961d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getAccessorLoc() const { return AccessorLoc; } 2962d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessorLoc(SourceLocation L) { AccessorLoc = L; } 2963d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2964a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 2965a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 29661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2967a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 2968a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 2969a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 29701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2971a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 2972a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 2973a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 29741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2975a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 2976a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 2977a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 29781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29792140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// isArrow - Return true if the base expression is a pointer to vector, 29802140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// return false if the base expression is a vector. 29812140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner bool isArrow() const; 29821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ExtVectorElementExprClass; 2985a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 2986a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 29871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2988a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 2989a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 2990a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 2991a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 2992a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 2993a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 299456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 29959c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 29964eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 299756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 299856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 2999b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool HasBlockDeclRefExprs; 30004eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 3001b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump BlockExpr(BlockDecl *BD, QualType ty, bool hasBlockDeclRefExprs) 30022333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockExprClass, ty, ty->isDependentType(), false), 3003b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump TheBlock(BD), HasBlockDeclRefExprs(hasBlockDeclRefExprs) {} 30049c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 300584af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor /// \brief Build an empty block expression. 300684af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor explicit BlockExpr(EmptyShell Empty) : Expr(BlockExprClass, Empty) { } 300784af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 3008d5cab5435371b8cc74a9e05ebd40b5995ebad149Anders Carlsson const BlockDecl *getBlockDecl() const { return TheBlock; } 300956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 301084af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setBlockDecl(BlockDecl *BD) { TheBlock = BD; } 301184af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 301256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 301356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 301456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 301556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 30169c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 30179c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 301856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 30199c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 30209c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 302156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 302256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 302356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 3024b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump /// hasBlockDeclRefExprs - Return true iff the block has BlockDeclRefExpr 30255b54b88c4082bb81b8b341b622fda9a85cbd5fadChris Lattner /// inside of the block that reference values outside the block. 3026b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool hasBlockDeclRefExprs() const { return HasBlockDeclRefExprs; } 302784af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setHasBlockDeclRefExprs(bool BDRE) { HasBlockDeclRefExprs = BDRE; } 3028b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump 30291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30309c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 30314eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30324eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 30331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30344eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30354eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30364eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30374eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30394eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 30404eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 30414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 30421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ValueDecl *D; 30434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 30447d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool IsByRef : 1; 30457d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool ConstQualAdded : 1; 30464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 30472333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Fix type/value dependence! 30481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef, 30492333f7727f97018d6742e1e0938133bcfad967abEli Friedman bool constAdded = false) 30502333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockDeclRefExprClass, t, false, false), D(d), Loc(l), IsByRef(ByRef), 30512333f7727f97018d6742e1e0938133bcfad967abEli Friedman ConstQualAdded(constAdded) {} 305294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 305394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // \brief Build an empty reference to a declared variable in a 305494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // block. 305594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor explicit BlockDeclRefExpr(EmptyShell Empty) 305694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(BlockDeclRefExprClass, Empty) { } 30571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30584eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 30594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 306094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setDecl(ValueDecl *VD) { D = VD; } 306194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 306294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getLocation() const { return Loc; } 306394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setLocation(SourceLocation L) { Loc = L; } 306494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30654eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30674eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 306894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setByRef(bool BR) { IsByRef = BR; } 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30707d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool isConstQualAdded() const { return ConstQualAdded; } 30717d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian void setConstQualAdded(bool C) { ConstQualAdded = C; } 307294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BlockDeclRefExprClass; 30754eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30764eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 30771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30784eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30794eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30804eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30814eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30824eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 30835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 30845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3086