Expr.h revision 2b334bb3126a67895813e49e6228dad4aec0b4d6
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" 21709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek#include "clang/AST/ASTVector.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 23525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 243b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 25b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar#include "llvm/ADT/StringRef.h" 26c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 29590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 30c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 31c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 32c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 33c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 348e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 35c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 3788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXOperatorCallExpr; 3888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXMemberCallExpr; 39833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 40d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 4188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 48898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 499ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregorprotected: 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// TypeDependent - Whether this expression is type-dependent 51898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.expr]). 52898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool TypeDependent : 1; 53898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ValueDependent - Whether this expression is value-dependent 55898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.constexpr]). 56898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool ValueDependent : 1; 57898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 58898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(StmtClass SC, QualType T, bool TD, bool VD) 59b3eef68111ffc220e449be96da1747998c057790Douglas Gregor : Stmt(SC), TypeDependent(TD), ValueDependent(VD) { 60898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor setType(T); 61898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 62898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 630b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty expression. 640b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor explicit Expr(StmtClass SC, EmptyShell) : Stmt(SC) { } 650b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 6743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this expression. 6843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 6943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this expression 7043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 7143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Expr *Retain() { 7243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt::Retain(); 7343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 7443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setType(QualType t) { 789d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 799d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 809d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 839d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 849d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 85905d11d53aeb6b26744f44fedc2b2820c7a62df6Douglas Gregor assert((t.isNull() || !t->isReferenceType()) && 868320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 87f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TR = t; 899d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 9077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 91898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isValueDependent - Determines whether this expression is 92898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// value-dependent (C++ [temp.dep.constexpr]). For example, the 93898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// array bound of "Chars" in the following example is 941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// value-dependent. 95898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 96898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// template<int Size, char (&Chars)[Size]> struct meta_string; 97898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 98898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isValueDependent() const { return ValueDependent; } 99898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1000b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is value-dependent or not. 1010b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValueDependent(bool VD) { ValueDependent = VD; } 1020b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 103898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isTypeDependent - Determines whether this expression is 104898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type-dependent (C++ [temp.dep.expr]), which means that its type 105898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// could change from one template instantiation to the next. For 106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// example, the expressions "x" and "x + y" are type-dependent in 107898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the following code, but "y" is not type-dependent: 108898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// template<typename T> 110898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// void add(T x, int y) { 111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// x + y; 112898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// } 113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 114898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isTypeDependent() const { return TypeDependent; } 115898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1160b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is type-dependent or not. 1170b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setTypeDependent(bool TD) { TypeDependent = TD; } 1180b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 128026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// isUnusedResultAWarning - Return true if this immediate expression should 129026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// be warned about if the result is unused. If so, fill in Loc and Ranges 130026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// with location to warn on and the source range[s] to report with the 131026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// warning. 132026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner bool isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1, 133df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump SourceRange &R2, ASTContext &Ctx) const; 1341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 14408ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 14576458501a8963fa11b91c9337a487de6871169b4Sebastian Redl /// - b ? x : y, where x and y are lvalues of suitable types [C++] 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 151fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 15286f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor LV_InvalidExpression, 1532514a309204341798f96912ce7a90841bea59727Fariborz Jahanian LV_MemberFunction, 154e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertySetting, 155e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor LV_ClassTemporary 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 15728be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 15853202857c60214d80950a975e6e52aebf30bd16aEli Friedman 15953202857c60214d80950a975e6e52aebf30bd16aEli Friedman // Same as above, but excluding checks for non-object and void types in C 16053202857c60214d80950a975e6e52aebf30bd16aEli Friedman isLvalueResult isLvalueInternal(ASTContext &Ctx) const; 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// and if it is a structure or union, does not have any member (including, 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 16744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// 16844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// \param Loc [in] [out] - A source location which *may* be filled 16944e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// in with the location of the expression making this a 17044e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// non-modifiable lvalue, if specified. 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 175fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 177ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1804f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1815daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 182ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 18386f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor MLV_NoSetterProperty, 1842514a309204341798f96912ce7a90841bea59727Fariborz Jahanian MLV_MemberFunction, 185e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertySetting, 186e873fb74219f48407ae0b8fa083aa7f0b6ff1427Douglas Gregor MLV_ClassTemporary 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 18844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx, 18944e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar SourceLocation *Loc = 0) const; 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19133bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// \brief If this expression refers to a bit-field, retrieve the 19233bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// declaration of that bit-field. 19333bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor FieldDecl *getBitField(); 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19538d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson const FieldDecl *getBitField() const { 19638d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson return const_cast<Expr*>(this)->getBitField(); 19738d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson } 1981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson /// \brief Returns whether this expression refers to a vector element. 200093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson bool refersToVectorElement() const; 201093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 2022b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// isKnownToHaveBooleanValue - Return true if this is an integer expression 2032b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// that is known to return 0 or 1. This happens for _Bool/bool expressions 2042b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// but also int expressions which are produced by things like comparisons in 2052b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner /// C. 2062b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner bool isKnownToHaveBooleanValue() const; 2072b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 212590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 213590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 215590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 2168070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 217590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 219c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// isConstantInitializer - Returns true if this expression is a constant 220c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// initializer, which can be emitted at compile-time. 221c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman bool isConstantInitializer(ASTContext &Ctx) const; 2221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// EvalResult is a struct with detailed info about an evaluated expression. 22494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson struct EvalResult { 2252d6744ff04c1690a1485178d550d2fab84a0270bDaniel Dunbar /// Val - This is the value the expression can be folded to. 22694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson APValue Val; 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// HasSideEffects - Whether the evaluated expression has side effects. 22994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// For example, (f() && 0) can be folded, but it still has side effects. 23094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson bool HasSideEffects; 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag - If the expression is unfoldable, then Diag contains a note 23394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// diagnostic indicating why it's not foldable. DiagLoc indicates a caret 23494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// position for the error, and DiagExpr is the expression that caused 23594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// the error. 23694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// If the expression is foldable, but not an integer constant expression, 23794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag contains a note diagnostic that describes why it isn't an integer 23894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// constant expression. If the expression *is* an integer constant 23994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// expression, then Diag will be zero. 24094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson unsigned Diag; 24194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson const Expr *DiagExpr; 24294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson SourceLocation DiagLoc; 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson EvalResult() : HasSideEffects(false), Diag(0), DiagExpr(0) {} 24594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson }; 24694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson 2476ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 248019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 249019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 250019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 2515b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson bool Evaluate(EvalResult &Result, ASTContext &Ctx) const; 2525b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson 253660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// EvaluateAsAny - The same as Evaluate, except that it also succeeds on 254660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// stack based objects. 255660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump bool EvaluateAsAny(EvalResult &Result, ASTContext &Ctx) const; 256660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump 257cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// EvaluateAsBooleanCondition - Return true if this is a constant 258cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// which we we can fold and convert to a boolean condition using 259cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// any crazy technique that we want to. 260cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall bool EvaluateAsBooleanCondition(bool &Result, ASTContext &Ctx) const; 261cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall 2626ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 26345b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 26445b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 265c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 2666ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// HasSideEffects - This routine returns true for all those expressions 2676ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// which must be evaluated each time and must not be optimization away 2686ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// or evaluated at compile time. Example is a function call, volatile 2696ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// variable read. 270393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian bool HasSideEffects(ASTContext &Ctx) const; 271393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian 27251fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// EvaluateAsInt - Call Evaluate and return the folded integer. This 27351fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 27451fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson llvm::APSInt EvaluateAsInt(ASTContext &Ctx) const; 27551fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 276b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue 277b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// with link time known address. 2781b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson bool EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const; 2791b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson 280b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsAnyLValue - The same as EvaluateAsLValue, except that it 281b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// also succeeds on stack based, immutable address lvalues. 282b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman bool EvaluateAsAnyLValue(EvalResult &Result, ASTContext &Ctx) const; 283b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman 284ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Enumeration used to describe how \c isNullPointerConstant() 285ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// should cope with value-dependent expressions. 286ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor enum NullPointerConstantValueDependence { 287ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that the expression should never be value-dependent. 288ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_NeverValueDependent = 0, 289ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 290ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression of integral or 291ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// dependent type should be considered a null pointer constant. 292ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNull, 293ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 294ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression should be considered 295ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// to never be a null pointer constant. 296ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNotNull 297ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor }; 298ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 299efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// isNullPointerConstant - C99 6.3.2.3p3 - Return true if this is either an 300efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// integer constant expression with the value zero, or if this is one that is 301efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// cast to void*. 302ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor bool isNullPointerConstant(ASTContext &Ctx, 303ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NullPointerConstantValueDependence NPC) const; 304efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson 30544baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian /// isOBJCGCCandidate - Return true if this expression may be used in a read/ 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// write barrier. 307102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian bool isOBJCGCCandidate(ASTContext &Ctx) const; 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3094e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// its subexpression. If that subexpression is also a ParenExpr, 3114e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 3124e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 3132b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner Expr *IgnoreParens(); 31456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 31556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 31627c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 31756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 320ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// value (including ptr->int casts of the same size). Strip off any 321ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// ParenExpr or CastExprs, returning their operand. 322ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *IgnoreParenNoopCasts(ASTContext &Ctx); 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3246eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Determine whether this expression is a default function argument. 3256eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// 3266eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// Default arguments are implicitly generated in the abstract syntax tree 3276eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// by semantic analysis for function calls, object constructions, etc. in 3286eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// C++. Default arguments are represented by \c CXXDefaultArgExpr nodes; 3296eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// this routine also looks through any implicit casts to determine whether 3306eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// the expression is a default argument. 3316eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor bool isDefaultArgument() const; 3326eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 3332f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief Determine whether this expression directly creates a 3342f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object (of class type). 3352f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor bool isTemporaryObject() const { return getTemporaryObject() != 0; } 3362f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 3372f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// \brief If this expression directly creates a temporary object of 3382f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// class type, return the expression that actually constructs that 3392f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor /// temporary object. 3402f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor const Expr *getTemporaryObject() const; 3412f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 3422b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner const Expr *IgnoreParens() const { 3434e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 3444e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 34556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 34656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 34756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 348ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner const Expr *IgnoreParenNoopCasts(ASTContext &Ctx) const { 349ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx); 350ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 3511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 352898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyTypeDependentArguments(Expr** Exprs, unsigned NumExprs); 353898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyValueDependentArguments(Expr** Exprs, unsigned NumExprs); 354898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() <= lastExprConstant; 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3635549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 367a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents the qualifier that may precede a C++ name, e.g., the 368a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// "std::" in "std::sort". 369a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct NameQualifier { 370a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The nested name specifier. 371a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *NNS; 372a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 373a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source range covered by the nested name specifier. 374a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange Range; 375a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 376a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 377a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents an explicit template argument list in C++, e.g., 378a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// the "<int>" in "sort<int>". 379a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct ExplicitTemplateArgumentList { 380a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the left angle bracket ('<'); 381a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation LAngleLoc; 382a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 383a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the right angle bracket ('>'); 384a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation RAngleLoc; 385a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 386a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The number of template arguments in TemplateArgs. 387a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// The actual template arguments (if any) are stored after the 388a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// ExplicitTemplateArgumentList structure. 389a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned NumTemplateArgs; 390a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 391a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 392833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall TemplateArgumentLoc *getTemplateArgs() { 393833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<TemplateArgumentLoc *> (this + 1); 394a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 395a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 396a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 397833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 398833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<const TemplateArgumentLoc *> (this + 1); 399a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 400d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 401d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void initializeFrom(const TemplateArgumentListInfo &List); 402d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyInto(TemplateArgumentListInfo &List) const; 403d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::size_t sizeFor(const TemplateArgumentListInfo &List); 404a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 405a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 409a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor enum { 410a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 411a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has a C++ nested-name-specifier. 412a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasQualifierFlag = 0x01, 413a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 414a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has an explicit C++ template argument list. 415a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasExplicitTemplateArgumentListFlag = 0x02 416a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor }; 417a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 418a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // DecoratedD - The declaration that we are referencing, plus two bits to 419a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // indicate whether (1) the declaration's name was explicitly qualified and 420a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // (2) the declaration's name was followed by an explicit template 421a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // argument list. 422dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall llvm::PointerIntPair<ValueDecl *, 2> DecoratedD; 423a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 424a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Loc - The location of the declaration name itself. 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4269e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 427a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the declaration name, if any. 428a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NameQualifier *getNameQualifier() { 4292cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 430a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 431a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 432a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<NameQualifier *> (this + 1); 433a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 434a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 435a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 436a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const NameQualifier *getNameQualifier() const { 437a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getNameQualifier(); 438a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 439a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 440a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 441a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 442a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 4432cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag) == 0) 444a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 445a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4462cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 447a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 448a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 449a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 450a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor getNameQualifier() + 1); 451a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 452a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 453a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 454a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 455a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 456a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getExplicitTemplateArgumentList(); 457a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 458a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 459a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor DeclRefExpr(NestedNameSpecifier *Qualifier, SourceRange QualifierRange, 460dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, SourceLocation NameLoc, 461d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs, 4620da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T); 463a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4649e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 4650da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// \brief Computes the type- and value-dependence flags for this 4660da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// declaration reference expression. 4670da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor void computeDependence(); 4689e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 469dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(StmtClass SC, ValueDecl *d, QualType t, SourceLocation l) : 4700da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(SC, t, false, false), DecoratedD(d, 0), Loc(l) { 4710da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4720da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4731a49af9681c350fef58e677f85ccb9a77e8e9d0aDouglas Gregor 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 475dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 4760da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(DeclRefExprClass, t, false, false), DecoratedD(d, 0), Loc(l) { 4770da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4780da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4800b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty declaration reference expression. 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit DeclRefExpr(EmptyShell Empty) 4820b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(DeclRefExprClass, Empty) { } 4830b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 484a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor static DeclRefExpr *Create(ASTContext &Context, 485a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *Qualifier, 486a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange QualifierRange, 487dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 488a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 4890da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T, 4900da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs = 0); 491a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 492dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *getDecl() { return DecoratedD.getPointer(); } 493dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall const ValueDecl *getDecl() const { return DecoratedD.getPointer(); } 494dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall void setDecl(ValueDecl *NewD) { DecoratedD.setPointer(NewD); } 495904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4969e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 4970b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 498a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor virtual SourceRange getSourceRange() const; 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determine whether this declaration reference was preceded by a 501a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// C++ nested-name-specifier, e.g., \c N::foo. 502a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasQualifier() const { return DecoratedD.getInt() & HasQualifierFlag; } 503a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 504a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the source range of 505a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// the nested-name-specifier that precedes the name. Otherwise, 506a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// returns an empty source range. 507a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange getQualifierRange() const { 508a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 509a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceRange(); 510a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 511a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->Range; 512a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 513a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 514a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the nested-name-specifier 515a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// that precedes the name. Otherwise, returns NULL. 516a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *getQualifier() const { 517a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 518a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 519a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 520a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->NNS; 521a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 522a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 523a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determines whether this member expression actually had a C++ 524a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 525a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasExplicitTemplateArgumentList() const { 526a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag; 527a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 528d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 529d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 530d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 531d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 532d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 533d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 534d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 535a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 536a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the left angle bracket following the 537a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member name ('<'), if any. 538a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getLAngleLoc() const { 539a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 540a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 541a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 542a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 543a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 544a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 545a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments provided as part of this 546a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 547833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 548a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 549a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 550a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 551a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 552a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 553a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 554a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 555a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 556a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned getNumTemplateArgs() const { 557a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 558a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 559a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 560a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 561a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 562a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 563a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the right angle bracket following the 564a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template arguments ('>'). 565a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getRAngleLoc() const { 566a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 567a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 568a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 569a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 570a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 571a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 57399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return T->getStmtClass() == DeclRefExprClass; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 57877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 57977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 582d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 583d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 584227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 585227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 586227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 587227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 588848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunction, 589848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// PrettyFunctionNoVirtual - The same as PrettyFunction, except that the 590848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// 'virtual' keyword is omitted for virtual member functions. 591848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunctionNoVirtual 592227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 594227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 595227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 596227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 597227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 599773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson : Expr(PredefinedExprClass, type, type->isDependentType(), 600773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson type->isDependentType()), Loc(l), Type(IT) {} 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty predefined expression. 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit PredefinedExpr(EmptyShell Empty) 60417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(PredefinedExprClass, Empty) { } 60517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 606227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 60717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setIdentType(IdentType IT) { Type = IT; } 60817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 60917fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 61017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 61117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 612848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson static std::string ComputeName(IdentType IT, const Decl *CurrentDecl); 6133a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 614227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 615227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == PredefinedExprClass; 618227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 619d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 62277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 62377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 624227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 625227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 6332333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(IntegerLiteralClass, type, false, false), Value(V), Loc(l) { 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 636a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 6370b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty integer literal. 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IntegerLiteral(EmptyShell Empty) 6390b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(IntegerLiteralClass, Empty) { } 6400b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 644313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Retrieve the location of the literal. 645313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLocation() const { return Loc; } 646313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 6470b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(const llvm::APInt &Val) { Value = Val; } 6480b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6490b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IntegerLiteralClass; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 65677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 65777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 663c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 666c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 6672333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CharacterLiteralClass, type, false, false), Value(value), Loc(l), 6682333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsWide(iswide) { 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6700b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6710b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty character literal. 6720b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor CharacterLiteral(EmptyShell Empty) : Expr(CharacterLiteralClass, Empty) { } 6730b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 674018d8e0596dd57401eeddcf11ac84ff0a065fbbeChris Lattner SourceLocation getLocation() const { return Loc; } 675c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6810b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6820b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setWide(bool W) { IsWide = W; } 6830b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(unsigned Val) { Value = Val; } 6840b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CharacterLiteralClass; 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 68977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 69077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 69177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 69277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 696525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 697720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FloatingLiteral(const llvm::APFloat &V, bool isexact, 701720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 7022333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(FloatingLiteralClass, Type, false, false), Value(V), 7032333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsExact(isexact), Loc(L) {} 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty floating-point literal. 7061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit FloatingLiteral(EmptyShell Empty) 70717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(FloatingLiteralClass, Empty), Value(0.0) { } 70817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 709c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 71017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setValue(const llvm::APFloat &Val) { Value = Val; } 71117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 712720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 71317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setExact(bool E) { IsExact = E; } 714c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 715da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 716da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 717da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 718da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 72117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 72217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == FloatingLiteralClass; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 73177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 73277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7355d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 7365d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 7375d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 7385d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 7395d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 7405d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 7415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 7425d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 7435d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 7442333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImaginaryLiteralClass, Ty, false, false), Val(val) {} 7451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 746cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Build an empty imaginary literal. 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImaginaryLiteral(EmptyShell Empty) 748cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ImaginaryLiteralClass, Empty) { } 749cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7505549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 7515549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 752cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 753cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImaginaryLiteralClass; 7575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 7585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7605d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 7615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 7625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 7635d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 7645d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 765e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 766e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 767e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 768a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 769c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// ConstantArrayType. In C++, the char type is const qualified, in C it is 770c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// not. 771690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// 772690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// Note that strings in C can be formed by concatenation of multiple string 7738bea7c0ee44c71c817de7dc2be932b73bec90c9fChris Lattner/// literal pptokens in translation phase #6. This keeps track of the locations 774690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// of each of these pieces. 775c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// 776c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// Strings in C can also be truncated and extended by assigning into arrays, 777c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// e.g. with constructs like: 778c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// char X[2] = "foobar"; 779c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// In this case, getByteLength() will return 6, but the string literal will 780c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// have type "char[2]". 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 785726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned NumConcatenated; 786726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation TokLocs[1]; 7872085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 7882333f7727f97018d6742e1e0938133bcfad967abEli Friedman StringLiteral(QualType Ty) : Expr(StringLiteralClass, Ty, false, false) {} 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 79142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &C); 79242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7942085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// This is the "fully general" constructor that allows representation of 7952085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// strings formed from multiple concatenated tokens. 7962085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static StringLiteral *Create(ASTContext &C, const char *StrData, 7972085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, bool Wide, QualType Ty, 798a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson const SourceLocation *Loc, unsigned NumStrs); 7992085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 8002085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// Simple constructor for string literals made from one token. 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static StringLiteral *Create(ASTContext &C, const char *StrData, 8022085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, 8032085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner bool Wide, QualType Ty, SourceLocation Loc) { 8042085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Create(C, StrData, ByteLength, Wide, Ty, &Loc, 1); 8052085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 806a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 807673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Construct an empty string literal. 808673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor static StringLiteral *CreateEmpty(ASTContext &C, unsigned NumStrs); 809673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 810b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef getString() const { 811b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar return llvm::StringRef(StrData, ByteLength); 812b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar } 813b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar // FIXME: These are deprecated, replace with StringRef. 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 816673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 817673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Sets the string data to the given string data. 818b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar void setString(ASTContext &C, llvm::StringRef Str); 819673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 821673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor void setWide(bool W) { IsWide = W; } 822673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8238d4141f83d9de379547cf05bd75d4c6cf894b189Steve Naroff bool containsNonAsciiOrNull() const { 824b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef Str = getString(); 825b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar for (unsigned i = 0, e = Str.size(); i != e; ++i) 826b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar if (!isascii(Str[i]) || !Str[i]) 82733fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return true; 82833fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return false; 82933fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff } 830726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// getNumConcatenated - Get the number of string literal tokens that were 831726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// concatenated in translation phase #6 to form this string literal. 832726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned getNumConcatenated() const { return NumConcatenated; } 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 834726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation getStrTokenLoc(unsigned TokNum) const { 835726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner assert(TokNum < NumConcatenated && "Invalid tok number"); 836726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner return TokLocs[TokNum]; 837726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner } 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setStrTokenLoc(unsigned TokNum, SourceLocation L) { 839673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor assert(TokNum < NumConcatenated && "Invalid tok number"); 840673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor TokLocs[TokNum] = L; 841673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor } 842673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 843b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner typedef const SourceLocation *tokloc_iterator; 844b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_begin() const { return TokLocs; } 845b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; } 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]); 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StringLiteralClass; 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 85677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 85777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 8645549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 867898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ParenExprClass, val->getType(), 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump val->isTypeDependent(), val->isValueDependent()), 869898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor L(l), R(r), Val(val) {} 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 871c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor /// \brief Construct an empty parenthesized expression. 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ParenExpr(EmptyShell Empty) 873c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor : Expr(ParenExprClass, Empty) { } 874c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 8755549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 8765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 877c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 878c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 879866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 881313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the left parentheses '('. 882313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLParen() const { return L; } 883c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setLParen(SourceLocation Loc) { L = Loc; } 884313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 885313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the right parentheses ')'. 886313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getRParen() const { return R; } 887c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setRParen(SourceLocation Loc) { R = Loc; } 888313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenExprClass; 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 89577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 89677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9000518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 9010518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 903dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 904dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 905dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 906dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 907dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 908dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 909dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 91073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// subexpression is a compound literal with the various MemberExpr and 91273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 91373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 91613d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 92473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 92573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 9285549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 9349103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor : Expr(UnaryOperatorClass, type, 9359103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor input->isTypeDependent() && opc != OffsetOf, 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump input->isValueDependent()), 9379103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor Val(input), Opc(opc), Loc(l) {} 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9390b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Build an empty unary operator. 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit UnaryOperator(EmptyShell Empty) 9410b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(UnaryOperatorClass, Empty), Opc(AddrOf) { } 9420b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 9440b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 9450b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9465549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 9470b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSubExpr(Expr *E) { Val = E; } 9480b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 9510b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { Loc = L; } 9520b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 9542085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPostfix(Opcode Op) { 9552085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PostInc || Op == PostDec; 9562085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9585a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 9592085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPrefix(Opcode Op) { 9602085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PreInc || Op == PreDec; 9612085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9625a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 9635a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 9655d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 9675a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isArithmeticOp() const { return isArithmeticOp(Opc); } 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 975bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the unary opcode that corresponds to the given 976bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// overloaded operator. 977bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix); 978bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 979bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 980bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// the given unary opcode. 981bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 982bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == UnaryOperatorClass; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 99777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 99877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10010518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 10020518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 10030518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 10040518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 10050518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 1006d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl union { 1007a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *Ty; 1008d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl Stmt *Ex; 1009d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } Argument; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 101142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 101242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 101342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 101442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1016a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall SizeOfAlignOfExpr(bool issizeof, TypeSourceInfo *TInfo, 10170518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 10180518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 10192850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl Expr(SizeOfAlignOfExprClass, resultType, 1020ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 10212850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // Value-dependent if the argument is type-dependent. 1022a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo->getType()->isDependentType()), 1023ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(true), OpLoc(op), RParenLoc(rp) { 1024a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 1025ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor } 1026ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr(bool issizeof, Expr *E, 1028ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor QualType resultType, SourceLocation op, 1029ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor SourceLocation rp) : 1030ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Expr(SizeOfAlignOfExprClass, resultType, 1031ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 1032ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor // Value-dependent if the argument is type-dependent. 1033ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor E->isTypeDependent()), 1034ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(false), OpLoc(op), RParenLoc(rp) { 1035ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Argument.Ex = E; 1036d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } 10370518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 10380b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Construct an empty sizeof/alignof expression. 10390b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor explicit SizeOfAlignOfExpr(EmptyShell Empty) 10400b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(SizeOfAlignOfExprClass, Empty) { } 10410b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 10430b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSizeof(bool S) { isSizeof = S; } 10440b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10450518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 10460518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 10475ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return getArgumentTypeInfo()->getType(); 10485ab75172051a6d2ea71a80a79e81c65519fd3462John McCall } 1049a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *getArgumentTypeInfo() const { 10500518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 10515ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return Argument.Ty; 10520518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1053caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner Expr *getArgumentExpr() { 10540518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 1055d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl return static_cast<Expr*>(Argument.Ex); 10560518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1057caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner const Expr *getArgumentExpr() const { 1058caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner return const_cast<SizeOfAlignOfExpr*>(this)->getArgumentExpr(); 1059caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner } 10600b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10610b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setArgument(Expr *E) { Argument.Ex = E; isType = false; } 1062a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall void setArgument(TypeSourceInfo *TInfo) { 1063a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isType = true; 10650b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor } 10660b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10670518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 10680518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 10690518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 10700518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 10710518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 10720518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 107376e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 10740b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 10750b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10760b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10770b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1078866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1079866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1080866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 1081866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SizeOfAlignOfExprClass; 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10860518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 108977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 109077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 109977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11032324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 110473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 11052850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl : Expr(ArraySubscriptExprClass, t, 11062850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isTypeDependent() || rhs->isTypeDependent(), 11072850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isValueDependent() || rhs->isValueDependent()), 11082850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl RBracketLoc(rbracketloc) { 110973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 111073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 111173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1113cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Create an empty array subscript expression. 1114cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor explicit ArraySubscriptExpr(EmptyShell Shell) 1115cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ArraySubscriptExprClass, Shell) { } 1116cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11172324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 11182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 11192324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 11202324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 11212324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 112233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 112333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 112433fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 112533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 11265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 11275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1128cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 1129cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 11315549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1132cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getBase() { 11355549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 113677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getBase() const { 11395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 11402324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getIdx() { 11435549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 114677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 11475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 115177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1154026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRBracketLoc() const { return RBracketLoc; } 1155cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } 1156cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11575cd9d6daf3acd4cc87fecebd81d9495b9e4ba9cdChris Lattner virtual SourceLocation getExprLoc() const { return getBase()->getExprLoc(); } 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ArraySubscriptExprClass; 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 116577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 116677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1170b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 1172b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// results in a function call. For example, CXXOperatorCallExpr is 1174b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 1175b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 117777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 11785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1182b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 1183b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 1184668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr(ASTContext& C, StmtClass SC, Expr *fn, Expr **args, unsigned numargs, 1185668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek QualType t, SourceLocation rparenloc); 118642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 118742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs, QualType t, 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11931f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty call expression. 1194ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty); 11951f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1196668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek ~CallExpr() {} 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11985549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 11995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 120018b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 1201a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1202d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes Decl *getCalleeDecl(); 1203d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes const Decl *getCalleeDecl() const { 1204d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return const_cast<CallExpr*>(this)->getCalleeDecl(); 1205d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes } 1206d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1207a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu /// \brief If the callee is a FunctionDecl, return it. Otherwise return 0. 1208a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu FunctionDecl *getDirectCallee(); 1209bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner const FunctionDecl *getDirectCallee() const { 1210bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return const_cast<CallExpr*>(this)->getDirectCallee(); 1211bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 1212a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1227934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1228934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1229934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1230934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1231934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1233d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 1234d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 1235d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 12368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void setNumArgs(ASTContext& C, unsigned NumArgs); 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12385549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 12395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1241d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 1242d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 12435549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 12445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1250cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 1251cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 12523c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned isBuiltinCall(ASTContext &Context) const; 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getCallReturnType - Get the return type of the call expr. This is not 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// always the type of the expr itself, if the return type is a reference 12566dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson /// type. 12576dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType getCallReturnType() const; 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1259d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 12601f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1261866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 12621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 126377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1267b4609806e9232593ece09ce08b630836e825865cDouglas Gregor return T->getStmtClass() == CallExprClass || 126888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor T->getStmtClass() == CXXOperatorCallExprClass || 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() == CXXMemberCallExprClass; 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 127288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 127388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 127488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 127577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 127677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 127777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1280ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. X->F and X.F. 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 12836bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// Extra data stored in some member expressions. 12846bb8017bb9e828d118e15e59d71c66bba323c364John McCall struct MemberNameQualifier : public NameQualifier { 1285161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair FoundDecl; 12866bb8017bb9e828d118e15e59d71c66bba323c364John McCall }; 12876bb8017bb9e828d118e15e59d71c66bba323c364John McCall 1288ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// Base - the expression for the base pointer or structure references. In 1289ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// X.F, this is "X". 12905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1292ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberDecl - This is the decl being referenced by the field/member name. 1293ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// In X.F, this is the decl referenced by F. 1294f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *MemberDecl; 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1296ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberLoc - This is the location of the member name. 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1299ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// IsArrow - True if this is "X->F", false if this is "X.F". 130083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool IsArrow : 1; 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief True if this member expression used a nested-name-specifier to 13036bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// refer to the member, e.g., "x->Base::f", or found its member via a using 13046bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// declaration. When true, a MemberNameQualifier 1305c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure is allocated immediately after the MemberExpr. 13066bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool HasQualifierOrFoundDecl : 1; 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1308c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief True if this member expression specified a template argument list 1309c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// explicitly, e.g., x->f<int>. When true, an ExplicitTemplateArgumentList 1310c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure (and its TemplateArguments) are allocated immediately after 1311c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the MemberExpr or, if the member expression also has a qualifier, after 13126bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// the MemberNameQualifier structure. 1313c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor bool HasExplicitTemplateArgumentList : 1; 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 131583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 13166bb8017bb9e828d118e15e59d71c66bba323c364John McCall MemberNameQualifier *getMemberQualifier() { 13176bb8017bb9e828d118e15e59d71c66bba323c364John McCall assert(HasQualifierOrFoundDecl); 13186bb8017bb9e828d118e15e59d71c66bba323c364John McCall return reinterpret_cast<MemberNameQualifier *> (this + 1); 131983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 132083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 132183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 13226bb8017bb9e828d118e15e59d71c66bba323c364John McCall const MemberNameQualifier *getMemberQualifier() const { 1323c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getMemberQualifier(); 1324c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1326c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1327c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1328c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 1329c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 133083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13326bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 1333c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 1336c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor getMemberQualifier() + 1); 1337c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1339c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1340c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1341c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 1342c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getExplicitTemplateArgumentList(); 134383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1346f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 1347f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman SourceLocation l, QualType ty) 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(MemberExprClass, ty, 1349ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson base->isTypeDependent(), base->isValueDependent()), 135083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow), 13516bb8017bb9e828d118e15e59d71c66bba323c364John McCall HasQualifierOrFoundDecl(false), HasExplicitTemplateArgumentList(false) {} 1352510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 13531f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty member reference expression. 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit MemberExpr(EmptyShell Empty) 13556bb8017bb9e828d118e15e59d71c66bba323c364John McCall : Expr(MemberExprClass, Empty), HasQualifierOrFoundDecl(false), 1356e6585a7d71510be00a625686153f48d496d3bbf1Douglas Gregor HasExplicitTemplateArgumentList(false) { } 13571f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static MemberExpr *Create(ASTContext &C, Expr *base, bool isarrow, 135983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor NestedNameSpecifier *qual, SourceRange qualrange, 1360161755a09898c95d21bfff33707da9ca41cd53c5John McCall ValueDecl *memberdecl, DeclAccessPair founddecl, 1361c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation l, 1362d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 1363c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor QualType ty); 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 136588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor void setBase(Expr *E) { Base = E; } 13665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 136757e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor 136857e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// \brief Retrieve the member declaration to which this expression refers. 136957e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// 137057e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// The returned declaration will either be a FieldDecl or (in C++) 137157e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// a CXXMethodDecl. 1372f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *getMemberDecl() const { return MemberDecl; } 1373f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman void setMemberDecl(ValueDecl *D) { MemberDecl = D; } 13741f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13756bb8017bb9e828d118e15e59d71c66bba323c364John McCall /// \brief Retrieves the declaration found by lookup. 1376161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair getFoundDecl() const { 13776bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 1378161755a09898c95d21bfff33707da9ca41cd53c5John McCall return DeclAccessPair::make(getMemberDecl(), 1379161755a09898c95d21bfff33707da9ca41cd53c5John McCall getMemberDecl()->getAccess()); 13806bb8017bb9e828d118e15e59d71c66bba323c364John McCall return getMemberQualifier()->FoundDecl; 13816bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 13826bb8017bb9e828d118e15e59d71c66bba323c364John McCall 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 13840979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 13850979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// x->Base::foo. 13866bb8017bb9e828d118e15e59d71c66bba323c364John McCall bool hasQualifier() const { return getQualifier() != 0; } 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief If the member name was qualified, retrieves the source range of 138983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// the nested-name-specifier that precedes the member name. Otherwise, 139083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// returns an empty source range. 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceRange getQualifierRange() const { 13926bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 139383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return SourceRange(); 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->Range; 139683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 139983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 140083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// NULL. 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *getQualifier() const { 14026bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (!HasQualifierOrFoundDecl) 140383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->NNS; 140683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 1407c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor 1408c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 1409c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 1410d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall bool hasExplicitTemplateArgumentList() const { 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return HasExplicitTemplateArgumentList; 1412c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1414d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 1415d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 1416d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1417d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 1418d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 1419d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1420d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 1422c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member name ('<'), if any. 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 1424c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1425c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1427c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 1428c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1430c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 1431c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 1432833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 1433c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1436c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 1437c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1439c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 1440c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 1442c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1445c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 1446c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 1449c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template arguments ('>'). 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 1451c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1452c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1454c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 1455c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 14581f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setArrow(bool A) { IsArrow = A; } 14591f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1460ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// getMemberLoc - Return the location of the "member", in X->F, it is the 1461ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// location of 'F'. 1462026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getMemberLoc() const { return MemberLoc; } 14631f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setMemberLoc(SourceLocation L) { MemberLoc = L; } 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 146672527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // If we have an implicit base (like a C++ implicit this), 146772527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // make sure not to return its location 1468c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation EndLoc = MemberLoc; 1469c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (HasExplicitTemplateArgumentList) 1470c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor EndLoc = getRAngleLoc(); 14711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147272527137c521ad9330ecb81ccd841159719dc8cdEli Friedman SourceLocation BaseLoc = getBase()->getLocStart(); 147372527137c521ad9330ecb81ccd841159719dc8cdEli Friedman if (BaseLoc.isInvalid()) 1474c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(MemberLoc, EndLoc); 1475c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(BaseLoc, EndLoc); 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 148183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return T->getStmtClass() == MemberExprClass; 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14851237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 14861237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 14871237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CompoundLiteralExpr - [C99 6.5.2.5] 1491aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 1492aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 14930fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 14940fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 14950fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 14960fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 14971d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall 14981d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// The type as written. This can be an incomplete array type, in 14991d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// which case the actual expression type will be different. 150042f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *TInfo; 15015549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 1502e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 1503aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 15042333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can compound literals be value-dependent? 150542f56b50062cd3b3c6b23fdb9053578ae9145664John McCall CompoundLiteralExpr(SourceLocation lparenloc, TypeSourceInfo *tinfo, 15061d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall QualType T, Expr *init, bool fileScope) 15071d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall : Expr(CompoundLiteralExprClass, T, 150842f56b50062cd3b3c6b23fdb9053578ae9145664John McCall tinfo->getType()->isDependentType(), false), 150942f56b50062cd3b3c6b23fdb9053578ae9145664John McCall LParenLoc(lparenloc), TInfo(tinfo), Init(init), FileScope(fileScope) {} 15101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1511ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor /// \brief Construct an empty compound literal. 1512ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor explicit CompoundLiteralExpr(EmptyShell Empty) 1513ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor : Expr(CompoundLiteralExprClass, Empty) { } 1514ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 15155549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 15165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 1517ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setInitializer(Expr *E) { Init = E; } 1518e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 1519e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 1520ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setFileScope(bool FS) { FileScope = FS; } 1521ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 15220fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 1523ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 1524ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 152542f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *getTypeSourceInfo() const { return TInfo; } 152642f56b50062cd3b3c6b23fdb9053578ae9145664John McCall void setTypeSourceInfo(TypeSourceInfo* tinfo) { TInfo = tinfo; } 152742f56b50062cd3b3c6b23fdb9053578ae9145664John McCall 152873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 15290fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 15300fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 15310fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 15320fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 153373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 15340fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 153573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 1536aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundLiteralExprClass; 1539aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 1540aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15421237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 15431237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 15441237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1545aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 1546aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 154749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 154849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 154949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 155049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 15510835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 1552cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonpublic: 1553cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CastKind - the kind of cast this represents. 1554cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson enum CastKind { 1555cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_Unknown - Unknown cast kind. 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// FIXME: The goal is to get rid of this and make all casts have a 1557cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// kind so that the AST client doesn't have to try to figure out what's 1558cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// going on. 1559cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_Unknown, 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1561cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_BitCast - Used for reinterpret_cast. 1562cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_BitCast, 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_NoOp - Used for const_cast. 15653503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson CK_NoOp, 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156711de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson /// CK_BaseToDerived - Base to derived class casts. 156811de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson CK_BaseToDerived, 156911de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson 15703503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson /// CK_DerivedToBase - Derived to base class casts. 1571714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson CK_DerivedToBase, 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157323cba801e11b03929c44f8cf54578305963a3476John McCall /// CK_UncheckedDerivedToBase - Derived to base class casts that 157423cba801e11b03929c44f8cf54578305963a3476John McCall /// assume that the derived pointer is not null. 157523cba801e11b03929c44f8cf54578305963a3476John McCall CK_UncheckedDerivedToBase, 157623cba801e11b03929c44f8cf54578305963a3476John McCall 1577714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson /// CK_Dynamic - Dynamic cast. 15784d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson CK_Dynamic, 15791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15804d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson /// CK_ToUnion - Cast to union (GCC extension). 1581112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson CK_ToUnion, 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1583112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson /// CK_ArrayToPointerDecay - Array to pointer decay. 158427a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_ArrayToPointerDecay, 15851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1586b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson // CK_FunctionToPointerDecay - Function to pointer decay. 1587b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson CK_FunctionToPointerDecay, 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158927a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_NullToMemberPointer - Null pointer to member pointer. 159027a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_NullToMemberPointer, 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 159227a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_BaseToDerivedMemberPointer - Member pointer in base class to 159327a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// member pointer in derived class. 15949099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian CK_BaseToDerivedMemberPointer, 15959099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian 15961a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// CK_DerivedToBaseMemberPointer - Member pointer in derived class to 15971a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// member pointer in base class. 15981a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson CK_DerivedToBaseMemberPointer, 15991a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson 16001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// CK_UserDefinedConversion - Conversion using a user defined type 160158d3f1af9b4efa426826816a16894986b78b2692Fariborz Jahanian /// conversion function. 16027fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian CK_UserDefinedConversion, 16037fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian 16047fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian /// CK_ConstructorConversion - Conversion by constructor 16057f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_ConstructorConversion, 16067f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 16077f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_IntegralToPointer - Integral to pointer 16087f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_IntegralToPointer, 16097f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 16107f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_PointerToIntegral - Pointer to integral 1611ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson CK_PointerToIntegral, 1612ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson 1613ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson /// CK_ToVoid - Cast to void. 161416a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson CK_ToVoid, 161516a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson 161616a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// CK_VectorSplat - Casting from an integer/floating type to an extended 161716a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// vector type with the same element type as the src type. Splats the 1618f67cea84bac1d3417f0baaf1fcbc86ee126e2d87Anders Carlsson /// src expression into the destination expression. 161982debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_VectorSplat, 162082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 162182debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralCast - Casting between integral types of different size. 162282debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralCast, 162382debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 162482debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralToFloating - Integral to floating point. 162582debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralToFloating, 162682debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 162782debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingToIntegral - Floating point to integral. 162882debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_FloatingToIntegral, 162982debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 163082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingCast - Casting between floating types of different size. 1631bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson CK_FloatingCast, 1632bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1633bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson /// CK_MemberPointerToBoolean - Member pointer to boolean 163492ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian CK_MemberPointerToBoolean, 163592ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian 163692ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// CK_AnyPointerToObjCPointerCast - Casting any pointer to objective-c 163792ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// pointer 16383b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToObjCPointerCast, 16393b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// CK_AnyPointerToBlockPointerCast - Casting any pointer to block 16403b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// pointer 16413b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToBlockPointerCast 1642bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1643cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson }; 16441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1645cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonprivate: 1646cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind Kind; 16470835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 16480835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 1649c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(StmtClass SC, QualType ty, const CastKind kind, Expr *op) : 1650898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(SC, ty, 1651898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are type-dependent if the type is 1652898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent (C++ [temp.dep.expr]p3). 1653898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ty->isDependentType(), 1654898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are value-dependent if the type is 1655898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent or if the subexpression is value-dependent. 16561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ty->isDependentType() || (op && op->isValueDependent())), 1657c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson Kind(kind), Op(op) {} 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1659087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty cast. 16601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CastExpr(StmtClass SC, EmptyShell Empty) 1661087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : Expr(SC, Empty) { } 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16630835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 1664cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind getCastKind() const { return Kind; } 1665cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson void setCastKind(CastKind K) { Kind = K; } 1666f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson const char *getCastKindName() const; 1667f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 16680835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 16690835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 1670087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor void setSubExpr(Expr *E) { Op = E; } 1671087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 16726eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Retrieve the cast subexpression as it was written in the source 16736eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// code, looking through any implicit casts or other intermediate nodes 16746eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// introduced by semantic analysis. 16756eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *getSubExprAsWritten(); 16766eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *getSubExprAsWritten() const { 16776eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return const_cast<CastExpr *>(this)->getSubExprAsWritten(); 16786eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 16796eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 16819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 16829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 16839d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 16849d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16856eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ImplicitCastExprClass && SC <= CStyleCastExprClass) 16860835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 16879d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16889d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 16890835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 16900835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16920835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 16930835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 16940835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 16950835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 16960835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 169749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 169849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 169949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 170049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 170149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 1702bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 1703bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 1704bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// an lvalue. For example: 1705bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 1706bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 1707bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 1708bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 17091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// void f(Derived d) { 1710bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// Base& b = d; // initializer is an ImplicitCastExpr to an lvalue of type Base 1711bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 1712bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 17130835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 1714eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// LvalueCast - Whether this cast produces an lvalue. 1715eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool LvalueCast; 1716eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 171749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 1718c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ImplicitCastExpr(QualType ty, CastKind kind, Expr *op, bool Lvalue) : 1719c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(ImplicitCastExprClass, ty, kind, op), LvalueCast(Lvalue) { } 172090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1721087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty implicit cast. 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitCastExpr(EmptyShell Shell) 1723087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : CastExpr(ImplicitCastExprClass, Shell) { } 1724087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 1725087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 17260835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 17270835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 17280835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 172990045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1730eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// isLvalueCast - Whether this cast produces an lvalue. 1731eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool isLvalueCast() const { return LvalueCast; } 1732eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 1733eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// setLvalueCast - Set whether this cast produces an lvalue. 1734eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor void setLvalueCast(bool Lvalue) { LvalueCast = Lvalue; } 1735eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 17361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImplicitCastExprClass; 173849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 173949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 174049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 174149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 174249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// code. 174449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 174549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 174649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 174749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 174849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 174949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 175149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 175249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 175349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 175449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 175549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 175649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// expression will be an lvalue. The reference type, however, will 175749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// not be used as the type of the expression. 17580835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 17599d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// TInfo - Source type info for the (written) type 17609d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// this expression is casting to. 17619d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo; 176249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 176349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 1764c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ExplicitCastExpr(StmtClass SC, QualType exprTy, CastKind kind, 17659d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *op, TypeSourceInfo *writtenTy) 17669d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall : CastExpr(SC, exprTy, kind, op), TInfo(writtenTy) {} 176749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 1768db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty explicit cast. 17691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(StmtClass SC, EmptyShell Shell) 1770db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : CastExpr(SC, Shell) { } 1771db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 177249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 17739d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// getTypeInfoAsWritten - Returns the type source info for the type 17749d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// that this expression is casting to. 17759d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *getTypeInfoAsWritten() const { return TInfo; } 17769d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall void setTypeInfoAsWritten(TypeSourceInfo *writtenTy) { TInfo = writtenTy; } 17779d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 177849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 177949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 17809d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall QualType getTypeAsWritten() const { return TInfo->getType(); } 178149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17839d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 178409cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall if (SC >= CStyleCastExprClass && SC <= CStyleCastExprClass) 17859d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 17869d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 178749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 17889d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 17899d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 179049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 179149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 179249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 179349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17946eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 179549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 179649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 17976eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 1798b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 1799b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 18005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18019d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr(QualType exprTy, CastKind kind, Expr *op, 18029d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *writtenTy, 18039d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall SourceLocation l, SourceLocation r) : 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(CStyleCastExprClass, exprTy, kind, op, writtenTy), 1805b2f9e516327310d95840d442416084508f80c183Steve Naroff LPLoc(l), RPLoc(r) {} 180649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 1807db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty C-style explicit cast. 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CStyleCastExpr(EmptyShell Shell) 1809db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : ExplicitCastExpr(CStyleCastExprClass, Shell) { } 1810db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1811b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 1812db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLParenLoc(SourceLocation L) { LPLoc = L; } 1813db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1814b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 1815db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRParenLoc(SourceLocation L) { RPLoc = L; } 1816db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 1818b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 18195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CStyleCastExprClass; 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18236eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18263fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A builtin binary operation expression such as "x + y" or "x <= y". 18273fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 18283fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// This expression node kind describes a builtin binary operation, 18293fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// such as "x + y" for integer values "x" and "y". The operands will 18303fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// already have been converted to appropriate types (e.g., by 18313fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// performing promotions or conversions). 18323fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 18333fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In C++, where operators may be overloaded, a different kind of 18343fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// expression node (CXXOperatorCallExpr) is used to express the 18353fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// invocation of an overloaded operator with operator syntax. Within 18363fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// a C++ template, whether BinaryOperator or CXXOperatorCallExpr is 18373fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to store an expression "x + y" depends on the subexpressions 18383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// for x and y. If neither x or y is type-dependent, and the "+" 18393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// operator resolves to a built-in operation, BinaryOperator will be 18403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to express the computation (x and y may still be 18413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// value-dependent). If either x or y is type-dependent, or if the 18423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// "+" resolves to an overloaded operator, CXXOperatorCallExpr will 18433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// be used to express the computation. 18445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 18455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 18475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 184803d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 1849224605064a4ef87d1c3d35ad1cb363f8b534012bSebastian Redl PtrMemD, PtrMemI, // [C++ 5.5] Pointer-to-member operators. 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 18525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 18545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 18645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 186817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 186917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 18705549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 187117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 187217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 187617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 1877898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(BinaryOperatorClass, ResTy, 1878898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor lhs->isTypeDependent() || rhs->isTypeDependent(), 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump lhs->isValueDependent() || rhs->isValueDependent()), 1880898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Opc(opc), OpLoc(opLoc) { 18811237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 18821237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!isCompoundAssignmentOp() && 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1887db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty binary operator. 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit BinaryOperator(EmptyShell Empty) 1889db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : Expr(BinaryOperatorClass, Empty), Opc(Comma) { } 1890db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 189117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 1892db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 1893db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 1895db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 1896db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18975549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1898db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 18995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1900db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 1901db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 19025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 19035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1910063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the binary opcode that corresponds to the given 1911063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// overloaded operator. 1912063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO); 1913063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 1914063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 1915063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// the given binary opcode. 1916063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 1917063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 19185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 19195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 192140a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek static bool isShiftOp(Opcode Opc) { return Opc == Shl || Opc == Shr; } 192240a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek bool isShiftOp() const { return isShiftOp(Opc); } 1923aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1924aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isBitwiseOp(Opcode Opc) { return Opc >= And && Opc <= Or; } 1925aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isBitwiseOp() const { return isBitwiseOp(Opc); } 1926f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1927f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 1928f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 1929f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 1931f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1933aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isComparisonOp(Opcode Opc) { return Opc >= LT && Opc <= NE; } 1934aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isComparisonOp() const { return isComparisonOp(Opc); } 1935aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1936f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 1937f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 1938f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 19421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 1944eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S->getStmtClass() == CompoundAssignOperatorClass; 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 19481237c673c07f9d827129ba02720108816abde562Ted Kremenek 19491237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 19501237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 19511237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 19521237c673c07f9d827129ba02720108816abde562Ted Kremenek 19535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 195417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 19552333f7727f97018d6742e1e0938133bcfad967abEli Friedman SourceLocation opLoc, bool dead) 19562333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CompoundAssignOperatorClass, ResTy, 19572333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isTypeDependent() || rhs->isTypeDependent(), 19582333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isValueDependent() || rhs->isValueDependent()), 19592333f7727f97018d6742e1e0938133bcfad967abEli Friedman Opc(opc), OpLoc(opLoc) { 19601237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 19611237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1963ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 19641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator(StmtClass SC, EmptyShell Empty) 1965ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(SC, Empty), Opc(MulAssign) { } 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 19695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 19725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 1975ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationLHSType; 1976ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationResultType; 19775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 1979ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ResType, QualType CompLHSType, 1980ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType CompResultType, 198117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 198217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 1983ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationLHSType(CompLHSType), 1984ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationResultType(CompResultType) { 19851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isCompoundAssignmentOp() && 19865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1989ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty compound assignment operator expression. 1990ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit CompoundAssignOperator(EmptyShell Empty) 1991ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : BinaryOperator(CompoundAssignOperatorClass, Empty) { } 1992ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1993ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // The two computation types are the type the LHS is converted 1994ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // to for the computation and the type of the result; the two are 1995ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // distinct in a few cases (specifically, int+=ptr and ptr-=ptr). 1996ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationLHSType() const { return ComputationLHSType; } 1997ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationLHSType(QualType T) { ComputationLHSType = T; } 1998ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1999ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationResultType() const { return ComputationResultType; } 2000ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationResultType(QualType T) { ComputationResultType = T; } 2001ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 20031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 20041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return S->getStmtClass() == CompoundAssignOperatorClass; 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 20095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 20121237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 20135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 201447e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation QuestionLoc, ColonLoc; 20155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 201647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ConditionalOperator(Expr *cond, SourceLocation QLoc, Expr *lhs, 201747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation CLoc, Expr *rhs, QualType t) 2018898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ConditionalOperatorClass, t, 2019898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // FIXME: the type of the conditional operator doesn't 2020898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // depend on the type of the conditional, but the standard 2021898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // seems to imply that it could. File a bug! 2022898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ((lhs && lhs->isTypeDependent()) || (rhs && rhs->isTypeDependent())), 20231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (cond->isValueDependent() || 2024898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor (lhs && lhs->isValueDependent()) || 202547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor (rhs && rhs->isValueDependent()))), 202647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor QuestionLoc(QLoc), 202747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ColonLoc(CLoc) { 20281237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 20291237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 20301237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 20311237c673c07f9d827129ba02720108816abde562Ted Kremenek } 20325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2033ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty conditional operator. 2034ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit ConditionalOperator(EmptyShell Empty) 2035ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(ConditionalOperatorClass, Empty) { } 2036ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2037395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 2038395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 20395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 2040ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 2041395a2abf0028968d85958610e393e067885dc14fTed Kremenek 2042395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2043395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 2044395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 2045395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 2046395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 20471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // is only evaluated once. 2048395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 20495549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 2050395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 20511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2052395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2053395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 20545549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 20551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20565549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 2057ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 2058ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 20595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2060ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 206247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getQuestionLoc() const { return QuestionLoc; } 206347e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setQuestionLoc(SourceLocation L) { QuestionLoc = L; } 206447e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 206547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 206647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 206747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 20685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 20695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 20705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ConditionalOperatorClass; 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 20751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20761237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 20771237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 20781237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 20795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20816481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 20826481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 20835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 20845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 20855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20866481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 20876481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 20882333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(AddrLabelExprClass, t, false, false), 20892333f7727f97018d6742e1e0938133bcfad967abEli Friedman AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 20901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20917d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty address of a label expression. 20921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit AddrLabelExpr(EmptyShell Empty) 20937d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Expr(AddrLabelExprClass, Empty) { } 20947d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20957d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getAmpAmpLoc() const { return AmpAmpLoc; } 20967d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setAmpAmpLoc(SourceLocation L) { AmpAmpLoc = L; } 20977d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 20987d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 20997d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 21005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 21015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 21025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 21057d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabel(LabelStmt *S) { Label = S; } 21067d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 21075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 21081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == AddrLabelExprClass; 21095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21106481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 21111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21121237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21131237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21141237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 21155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2116ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2117ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 2118ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 2119ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 2120ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 21215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 2122ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 2123ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 21242333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Does type-dependence need to be computed differently? 2125d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 2126d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 21272333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(StmtExprClass, T, T->isDependentType(), false), 21282333f7727f97018d6742e1e0938133bcfad967abEli Friedman SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 21291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21306a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor /// \brief Build an empty statement expression. 21316a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor explicit StmtExpr(EmptyShell Empty) : Expr(StmtExprClass, Empty) { } 21326a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 21335549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 21345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 21356a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setSubStmt(CompoundStmt *S) { SubStmt = S; } 21366a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 2137ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 2138ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 2139ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2141026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 21426a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2143026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 21446a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2146ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 21471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StmtExprClass; 2148ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 2149ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 21501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21511237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21521237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21531237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2154ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 2155ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2156dc241b42c7588f99027b035a09b71557a6db219eDouglas Gregor/// TypesCompatibleExpr - GNU builtin-in function __builtin_types_compatible_p. 2157d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 2158d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 2159d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 2160d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 2161d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 2162d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 2163363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2164d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 21651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 21661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType t1, QualType t2, SourceLocation RP) : 21672333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(TypesCompatibleExprClass, ReturnType, false, false), 21682333f7727f97018d6742e1e0938133bcfad967abEli Friedman Type1(t1), Type2(t2), BuiltinLoc(BLoc), RParenLoc(RP) {} 2169d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 217044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_type_compatible_p expression. 217144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit TypesCompatibleExpr(EmptyShell Empty) 217244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor : Expr(TypesCompatibleExprClass, Empty) { } 217344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 21747f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 217544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType1(QualType T) { Type1 = T; } 21767f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 217744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType2(QualType T) { Type2 = T; } 21781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 218044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 21811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 218244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 218344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2185d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 2186363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2187d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2188d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == TypesCompatibleExprClass; 2190d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2191d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 21921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21931237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21941237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21951237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2196d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 2197d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 2198d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 2199d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 2200d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 2201d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 2202d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 2203d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 2204d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 2205d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 2206d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2207d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 2208d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 2209d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 2210d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 22115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 2212d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 2213d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2214888376a2bbcfc2f047902249f8455918e2489ae1Nate Begemanprotected: 22151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 2216888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman 2217d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 22182333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can a shufflevector be value-dependent? Does type-dependence need 22192333f7727f97018d6742e1e0938133bcfad967abEli Friedman // to be computed differently? 2220a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman ShuffleVectorExpr(ASTContext &C, Expr **args, unsigned nexpr, 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Type, SourceLocation BLoc, 22221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation RP) : 22232333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(ShuffleVectorExprClass, Type, Type->isDependentType(), false), 22242333f7727f97018d6742e1e0938133bcfad967abEli Friedman BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(nexpr) { 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2226a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman SubExprs = new (C) Stmt*[nexpr]; 2227d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 2228d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 2229d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 223094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 223194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor /// \brief Build an empty vector-shuffle expression. 22321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ShuffleVectorExpr(EmptyShell Empty) 223394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(ShuffleVectorExprClass, Empty), SubExprs(0) { } 223494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 223594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 223694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 223894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 223994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 224094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2241d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 2242d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 2243d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2244d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ShuffleVectorExprClass; 2246d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2247d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 22481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2249888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman ~ShuffleVectorExpr() {} 22501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2251d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 2252d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 2253d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 2254d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 22551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2256d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 2257d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 2258d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2260d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2261d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 2262d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22635549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2264d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2266888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman void setExprs(ASTContext &C, Expr ** Exprs, unsigned NumExprs); 226794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2268dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 2269dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 22709a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman return getExpr(N+2)->EvaluateAsInt(Ctx).getZExtValue(); 2271d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2273d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 2274d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 2275d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 2276d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 2277d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2278d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 22791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This AST node is similar to the conditional operator (?:) in C, with 2280d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 22817976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the test expression must be a integer constant expression. 22827976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the expression returned acts like the chosen subexpression in every 22837976932a1c256d447316ffac58e9821417725e34Eli Friedman/// visible way: the type is the same as that of the chosen subexpression, 22847976932a1c256d447316ffac58e9821417725e34Eli Friedman/// and all predicates (whether it's an l-value, whether it's an integer 22857976932a1c256d447316ffac58e9821417725e34Eli Friedman/// constant expression, etc.) return the same result as for the chosen 22867976932a1c256d447316ffac58e9821417725e34Eli Friedman/// sub-expression. 2287d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 22881237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 22895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 2290d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2291d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 2292d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 2293ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor SourceLocation RP, bool TypeDependent, bool ValueDependent) 2294ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor : Expr(ChooseExprClass, t, TypeDependent, ValueDependent), 22951237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 22961237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 22971237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 22981237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 22991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 23007976932a1c256d447316ffac58e9821417725e34Eli Friedman 230144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_choose_expr. 230244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit ChooseExpr(EmptyShell Empty) : Expr(ChooseExprClass, Empty) { } 230344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 23047976932a1c256d447316ffac58e9821417725e34Eli Friedman /// isConditionTrue - Return whether the condition is true (i.e. not 23057976932a1c256d447316ffac58e9821417725e34Eli Friedman /// equal to zero). 230627437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 23077976932a1c256d447316ffac58e9821417725e34Eli Friedman 23087976932a1c256d447316ffac58e9821417725e34Eli Friedman /// getChosenSubExpr - Return the subexpression chosen according to the 23097976932a1c256d447316ffac58e9821417725e34Eli Friedman /// condition. 23107976932a1c256d447316ffac58e9821417725e34Eli Friedman Expr *getChosenSubExpr(ASTContext &C) const { 23117976932a1c256d447316ffac58e9821417725e34Eli Friedman return isConditionTrue(C) ? getLHS() : getRHS(); 23127976932a1c256d447316ffac58e9821417725e34Eli Friedman } 23137976932a1c256d447316ffac58e9821417725e34Eli Friedman 23145549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 231544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 23165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 231744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 23185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 231944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 232044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 232144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 232244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 232444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 232544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 23261237c673c07f9d827129ba02720108816abde562Ted Kremenek 2327d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 2328d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2329d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2330d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ChooseExprClass; 2332d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2333d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 23341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 23361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 23371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2338d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 2339d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 23402d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// GNUNullExpr - Implements the GNU __null extension, which is a name 23412d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// for a null pointer constant that has integral type (e.g., int or 23422d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// long) and is the same size and alignment as a pointer. The __null 23432d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// extension is typically only used by system headers, which define 23442d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// NULL as __null in C++ rather than using 0 (which is an integer 23452d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// that may not match the size of a pointer). 23462d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorclass GNUNullExpr : public Expr { 23472d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// TokenLoc - The location of the __null keyword. 23482d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation TokenLoc; 23492d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23502d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorpublic: 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GNUNullExpr(QualType Ty, SourceLocation Loc) 23522333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(GNUNullExprClass, Ty, false, false), TokenLoc(Loc) { } 23532d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 235444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty GNU __null expression. 235544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit GNUNullExpr(EmptyShell Empty) : Expr(GNUNullExprClass, Empty) { } 235644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 23572d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// getTokenLocation - The location of the __null token. 23582d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation getTokenLocation() const { return TokenLoc; } 235944cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setTokenLocation(SourceLocation L) { TokenLoc = L; } 23602d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23612d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual SourceRange getSourceRange() const { 23622d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor return SourceRange(TokenLoc); 23632d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23642d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const Stmt *T) { 23651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GNUNullExprClass; 23662d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23672d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const GNUNullExpr *) { return true; } 23681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23692d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // Iterators 23702d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_begin(); 23712d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_end(); 23722d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor}; 23732d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 237474626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu/// VAArgExpr, used for the builtin function __builtin_va_arg. 23757c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 23765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 23777c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 23787c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 23797c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 23802333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(VAArgExprClass, t, t->isDependentType(), false), 23817c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 23827c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 23837c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 23841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238574626d6ef2e194fcc911e071556660ff331eb4a8Zhongxing Xu /// \brief Create an empty __builtin_va_arg expression. 2386d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit VAArgExpr(EmptyShell Empty) : Expr(VAArgExprClass, Empty) { } 2387d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 23895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 2390d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 2391d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2392d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 2393d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 23941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2395d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2396d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2397d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23987c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 23997c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 24001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 24017c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 24027c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 24037c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 24047c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 24051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24067c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 24077c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 24097c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 24101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24114c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @brief Describes an C or C++ initializer list. 24124c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 24134c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// InitListExpr describes an initializer list, which can be used to 24144c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initialize objects of different types, including 24154c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct/class/union types, arrays, and vectors. For example: 24164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 24174c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @code 24184c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct foo x = { 1, { 2, 3 } }; 24194c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @endcode 2420196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24214c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Prior to semantic analysis, an initializer list will represent the 24224c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer list as written by the user, but will have the 24234c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// placeholder type "void". This initializer list is called the 24244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// syntactic form of the initializer, and may contain C99 designated 24254c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializers (represented as DesignatedInitExprs), initializations 24264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// of subobject members without explicit braces, and so on. Clients 24274c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// interested in the original syntax of the initializer list should 24284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// use the syntactic form of the initializer list. 2429196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24304c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// After semantic analysis, the initializer list will represent the 24314c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// semantic form of the initializer, where the initializations of all 24324c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// subobjects are made explicit with nested InitListExpr nodes and 24334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// C99 designators have been eliminated by placing the designated 24344c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializations into the subobject they initialize. Additionally, 24354c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// any "holes" in the initialization, where no initializer has been 24364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// specified for a particular subobject, will be replaced with 24373498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// implicitly-generated ImplicitValueInitExpr expressions that 24384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// value-initialize the subobjects. Note, however, that the 24394c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer lists may still have fewer initializers than there are 24404c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// elements to initialize within the object. 2441196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24424c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Given the semantic form of the initializer list, one can retrieve 24434c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// the original syntactic form of that initializer list (if it 24444c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// exists) using getSyntacticForm(). Since many initializer lists 24454c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// have the same syntactic and semantic forms, getSyntacticForm() may 24464c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// return NULL, indicating that the current initializer list also 24474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// serves as its syntactic form. 244866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 2449ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek // FIXME: Eliminate this vector in favor of ASTContext allocation 2450709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef ASTVector<Stmt *> InitExprsTy; 2451709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitExprsTy InitExprs; 245266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 24531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24544c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// Contains the initializer list that describes the syntactic form 24554c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// written in the source code. 24564c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *SyntacticForm; 24574c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 24580bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// If this initializer list initializes a union, specifies which 24590bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// field within the union will be initialized. 24600bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *UnionFieldInit; 24610bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2462a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// Whether this initializer list originally had a GNU array-range 2463a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// designator in it. This is a temporary marker used by CodeGen. 2464a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool HadArrayRangeDesignator; 2465a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 246666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 2467709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitListExpr(ASTContext &C, SourceLocation lbraceloc, 2468709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr **initexprs, unsigned numinits, 2469ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek SourceLocation rbraceloc); 2470d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2471d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Build an empty initializer list. 2472709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek explicit InitListExpr(ASTContext &C, EmptyShell Empty) 2473709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek : Expr(InitListExprClass, Empty), InitExprs(C) { } 24741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2475ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek unsigned getNumInits() const { return InitExprs.size(); } 24761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getInit(unsigned Init) const { 2478c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24794c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 248066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getInit(unsigned Init) { 2483c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24844c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 248566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setInit(unsigned Init, Expr *expr) { 2488c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24899e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 24909e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 2491c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 2492fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor /// \brief Reserve space for some number of initializers. 2493709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek void reserveInits(ASTContext &C, unsigned NumInits); 24941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24954c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Specify the number of initializers 24964c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 24974c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// If there are more than @p NumInits initializers, the remaining 24984c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializers will be destroyed. If there are fewer than @p 24994c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// NumInits initializers, NULL expressions will be added for the 25004c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// unknown initializers. 25014c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void resizeInits(ASTContext &Context, unsigned NumInits); 25024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 25034c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Updates the initializer at index @p Init with the new 25044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// expression @p expr, and returns the old expression at that 25054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// location. 25064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 25074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// When @p Init is out of range for this initializer list, the 25084c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializer list will be extended with NULL expressions to 25094c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// accomodate the new entry. 2510709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek Expr *updateInit(ASTContext &C, unsigned Init, Expr *expr); 2511c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 25120bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// \brief If this initializes a union, specifies which field in the 25130bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union to initialize. 25140bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// 25150bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// Typically, this field is the first named field within the 25160bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union. However, a designated initializer can specify the 25170bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// initialization of a different field within the union. 25180bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *getInitializedFieldInUnion() { return UnionFieldInit; } 25190bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor void setInitializedFieldInUnion(FieldDecl *FD) { UnionFieldInit = FD; } 25200bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2521c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 2522c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 2523b3eef68111ffc220e449be96da1747998c057790Douglas Gregor bool isExplicit() { 2524b3eef68111ffc220e449be96da1747998c057790Douglas Gregor return LBraceLoc.isValid() && RBraceLoc.isValid(); 2525b3eef68111ffc220e449be96da1747998c057790Douglas Gregor } 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2527d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getLBraceLoc() const { return LBraceLoc; } 2528d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } 2529d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getRBraceLoc() const { return RBraceLoc; } 253087fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor void setRBraceLoc(SourceLocation Loc) { RBraceLoc = Loc; } 253187fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor 25324c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Retrieve the initializer list that describes the 25334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// syntactic form of the initializer. 25344c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 25351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 25364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *getSyntacticForm() const { return SyntacticForm; } 25374c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void setSyntacticForm(InitListExpr *Init) { SyntacticForm = Init; } 25384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2539a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool hadArrayRangeDesignator() const { return HadArrayRangeDesignator; } 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void sawArrayRangeDesignator(bool ARD = true) { 2541d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor HadArrayRangeDesignator = ARD; 2542a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor } 2543a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 254466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 254566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 25461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 254766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 25481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == InitListExprClass; 254966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 255066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 255366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 255466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 25551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2556709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::iterator iterator; 2557709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek typedef InitExprsTy::reverse_iterator reverse_iterator; 25581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2559ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator begin() { return InitExprs.begin(); } 2560ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek iterator end() { return InitExprs.end(); } 2561ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 2562ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek reverse_iterator rend() { return InitExprs.rend(); } 256366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 256466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 256505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @brief Represents a C99 designated initializer expression. 256605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 256705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// A designated initializer expression (C99 6.7.8) contains one or 256805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// more designators (which can be field designators, array 256905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, or GNU array-range designators) followed by an 257005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// expression that initializes the field or element(s) that the 257105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators refer to. For example, given: 25721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 257305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @code 257405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point { 257505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double x; 257605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double y; 257705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// }; 257805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; 257905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @endcode 258005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 258105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// The InitListExpr contains three DesignatedInitExprs, the first of 258205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// which covers @c [2].y=1.0. This DesignatedInitExpr will have two 258305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, one array designator for @c [2] followed by one field 258405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designator for @c .y. The initalization expression will be 1.0. 258505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorclass DesignatedInitExpr : public Expr { 2586ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorpublic: 2587ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Forward declaration of the Designator class. 2588ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor class Designator; 2589ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2590ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorprivate: 259105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '=' or ':' prior to the actual initializer 259205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expression. 259305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc; 259405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2595eeae8f072748affce25ab4064982626361293390Douglas Gregor /// Whether this designated initializer used the GNU deprecated 259605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// syntax rather than the C99 '=' syntax. 2597eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax : 1; 259805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 259905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of designators in this initializer expression. 260005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators : 15; 260105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2602ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief The designators in this designated initialization 2603ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// expression. 2604ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator *Designators; 2605ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 260605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of subexpressions of this initializer expression, 260705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// which contains both the initializer and any additional 260805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expressions used by array and array-range designators. 260905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumSubExprs : 16; 261005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2611ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2612319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor DesignatedInitExpr(ASTContext &C, QualType Ty, unsigned NumDesignators, 2613ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 2614eeae8f072748affce25ab4064982626361293390Douglas Gregor SourceLocation EqualOrColonLoc, bool GNUSyntax, 26159ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 26169ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init); 261705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2618d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit DesignatedInitExpr(unsigned NumSubExprs) 2619d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(DesignatedInitExprClass, EmptyShell()), 2620d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators(0), Designators(0), NumSubExprs(NumSubExprs) { } 2621d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 262242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 26231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 262442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 2625319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void DestroyDesignators(ASTContext &C); 2626319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor 262705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorpublic: 262805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 262905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator { 263005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Refers to the field that is being initialized. The low bit 263105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// of this field determines whether this is actually a pointer 263205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// to an IdentifierInfo (if 1) or a FieldDecl (if 0). When 263305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initially constructed, a field designator will store an 263405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// IdentifierInfo*. After semantic analysis has resolved that 263505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// name, the field designator will instead store a FieldDecl*. 263605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor uintptr_t NameOrField; 26371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '.' in the designated initializer. 263905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned DotLoc; 26401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 264105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the field name in the designated initializer. 264205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned FieldLoc; 264305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 264405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 264505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 264605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator { 264705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Location of the first index expression within the designated 264805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer expression's list of subexpressions. 264905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned Index; 265005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '[' starting the array range designator. 265105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned LBracketLoc; 265205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ellipsis separating the start and end 265305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// indices. Only valid for GNU array-range designators. 265405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned EllipsisLoc; 265505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ']' terminating the array range designator. 26561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned RBracketLoc; 265705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 265805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 265905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Represents a single C99 designator. 266005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// 266105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @todo This class is infuriatingly similar to clang::Designator, 266205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// but minor differences (storing indices vs. storing pointers) 266305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// keep us from reusing it. Try harder, later, to rectify these 266405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// differences. 266505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor class Designator { 266605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief The kind of designator this describes. 266705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor enum { 266805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDesignator, 266905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayDesignator, 267005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayRangeDesignator 267105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } Kind; 267205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 267305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor union { 267405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 267505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator Field; 267605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 267705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator ArrayOrRange; 267805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 267905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor friend class DesignatedInitExpr; 268005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 268105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor public: 2682ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator() {} 2683ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 268405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a field designator. 26851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(const IdentifierInfo *FieldName, SourceLocation DotLoc, 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation FieldLoc) 268705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(FieldDesignator) { 268805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FieldName) | 0x01; 268905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.DotLoc = DotLoc.getRawEncoding(); 269005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.FieldLoc = FieldLoc.getRawEncoding(); 269105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 269205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 269305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes an array designator. 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 269505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation RBracketLoc) 269605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayDesignator) { 269705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 269805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 269905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = SourceLocation().getRawEncoding(); 270005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 270105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 270205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 270305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a GNU array-range designator. 27041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 270505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EllipsisLoc, SourceLocation RBracketLoc) 270605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayRangeDesignator) { 270705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 270805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 270905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = EllipsisLoc.getRawEncoding(); 271005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 271105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 271205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isFieldDesignator() const { return Kind == FieldDesignator; } 271405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayDesignator() const { return Kind == ArrayDesignator; } 271505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayRangeDesignator() const { return Kind == ArrayRangeDesignator; } 271605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor IdentifierInfo * getFieldName(); 271805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDecl *getField() { 272005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 272105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 272205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return 0; 272305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 272405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<FieldDecl *>(Field.NameOrField); 272505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 272605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 272705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setField(FieldDecl *FD) { 272805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 272905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FD); 273005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 273105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 273287f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor SourceLocation getDotLoc() const { 273387f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 273487f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor return SourceLocation::getFromRawEncoding(Field.DotLoc); 273587f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor } 273687f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor 273705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getFieldLoc() const { 273805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 273905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(Field.FieldLoc); 274005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 274105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 274205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getLBracketLoc() const { 274305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 274405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 274505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.LBracketLoc); 274605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 274705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 274805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getRBracketLoc() const { 274905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 275005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 275105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.RBracketLoc); 275205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 275305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 275405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEllipsisLoc() const { 275505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == ArrayRangeDesignator && 275605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array-range designator"); 275705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.EllipsisLoc); 275805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 27594c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2760d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getFirstExprIndex() const { 2761d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 2762d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor "Only valid on an array or array-range designator"); 2763d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return ArrayOrRange.Index; 2764d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2765d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 27664c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation getStartLocation() const { 27674c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor if (Kind == FieldDesignator) 27684c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc(); 27694c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor else 27704c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getLBracketLoc(); 27714c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 277205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 277305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 27741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static DesignatedInitExpr *Create(ASTContext &C, Designator *Designators, 277505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 277605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 277705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc, 2778eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax, Expr *Init); 277905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2780d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor static DesignatedInitExpr *CreateEmpty(ASTContext &C, unsigned NumIndexExprs); 2781d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 278205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Returns the number of designators in this initializer. 278305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned size() const { return NumDesignators; } 278405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 278505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterator access to the designators. 278605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor typedef Designator* designators_iterator; 2787ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor designators_iterator designators_begin() { return Designators; } 27881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump designators_iterator designators_end() { 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Designators + NumDesignators; 2790ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 279105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2792711997184366d584c9c437102cae1e9d9927b986Douglas Gregor Designator *getDesignator(unsigned Idx) { return &designators_begin()[Idx]; } 2793711997184366d584c9c437102cae1e9d9927b986Douglas Gregor 2794319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void setDesignators(ASTContext &C, const Designator *Desigs, 2795319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesigs); 2796d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 279705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayIndex(const Designator& D); 279805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeStart(const Designator& D); 279905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeEnd(const Designator& D); 280005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 280105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the location of the '=' that precedes the 280205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer value itself, if present. 280305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEqualOrColonLoc() const { return EqualOrColonLoc; } 2804d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setEqualOrColonLoc(SourceLocation L) { EqualOrColonLoc = L; } 280505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 280605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Determines whether this designated initializer used the 2807eeae8f072748affce25ab4064982626361293390Douglas Gregor /// deprecated GNU syntax for designated initializers. 2808eeae8f072748affce25ab4064982626361293390Douglas Gregor bool usesGNUSyntax() const { return GNUSyntax; } 2809d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setGNUSyntax(bool GNU) { GNUSyntax = GNU; } 281005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 281105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the initializer value. 28121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getInit() const { 281305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*const_cast<DesignatedInitExpr*>(this)->child_begin()); 281405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 281505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 281605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setInit(Expr *init) { 281705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor *child_begin() = init; 281805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 281905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2820d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Retrieve the total number of subexpressions in this 2821d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// designated initializer expression, including the actual 2822d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// initialized value and any expressions that occur within array 2823d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// and array-range designators. 2824d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getNumSubExprs() const { return NumSubExprs; } 2825d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2826d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Expr *getSubExpr(unsigned Idx) { 2827d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2828d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2829d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2830d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx]; 2831d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2832d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2833d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setSubExpr(unsigned Idx, Expr *E) { 2834d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2835d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2836d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2837d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx] = E; 2838d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2839d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2840ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Replaces the designator at index @p Idx with the series 2841ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// of designators in [First, Last). 2842319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void ExpandDesignator(ASTContext &C, unsigned Idx, const Designator *First, 2843ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last); 2844ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 284505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual SourceRange getSourceRange() const; 284605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 284705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const Stmt *T) { 28481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DesignatedInitExprClass; 284905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 285005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const DesignatedInitExpr *) { return true; } 285105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 285205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterators 285305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual child_iterator child_begin(); 28541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 28553498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor}; 28563498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28573498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// \brief Represents an implicitly-generated value initialization of 28583498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// an object of a given type. 28593498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// 28601a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// Implicit value initializations occur within semantic initializer 28611a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// list expressions (InitListExpr) as placeholders for subobject 28623498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// initializations not explicitly specified by the user. 28631a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// 28641a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// \see InitListExpr 28651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ImplicitValueInitExpr : public Expr { 28663498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregorpublic: 28671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitValueInitExpr(QualType ty) 28682333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImplicitValueInitExprClass, ty, false, false) { } 28693498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 2870d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Construct an empty implicit value initialization. 2871d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit ImplicitValueInitExpr(EmptyShell Empty) 2872d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(ImplicitValueInitExprClass, Empty) { } 2873d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 28741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28753498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return T->getStmtClass() == ImplicitValueInitExprClass; 28763498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28773498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor static bool classof(const ImplicitValueInitExpr *) { return true; } 28783498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28793498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual SourceRange getSourceRange() const { 28803498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return SourceRange(); 28813498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28823498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28833498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor // Iterators 28843498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual child_iterator child_begin(); 28851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 288605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor}; 288705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 28882ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28892ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanclass ParenListExpr : public Expr { 28902ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Stmt **Exprs; 28912ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned NumExprs; 28922ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation LParenLoc, RParenLoc; 28932ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpprotected: 28952ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual void DoDestroy(ASTContext& C); 28961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28972ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanpublic: 28981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenListExpr(ASTContext& C, SourceLocation lparenloc, Expr **exprs, 28992ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned numexprs, SourceLocation rparenloc); 29002ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29012ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman ~ParenListExpr() {} 29022ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29032ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman /// \brief Build an empty paren list. 29042ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman //explicit ParenListExpr(EmptyShell Empty) : Expr(ParenListExprClass, Empty) { } 29051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29062ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned getNumExprs() const { return NumExprs; } 29071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getExpr(unsigned Init) const { 29092ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 29102ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 29112ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getExpr(unsigned Init) { 29142ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 29152ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 29162ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29172ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 291883ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor Expr **getExprs() { return reinterpret_cast<Expr **>(Exprs); } 29191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29202ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getLParenLoc() const { return LParenLoc; } 29212ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getRParenLoc() const { return RParenLoc; } 29222ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29232ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual SourceRange getSourceRange() const { 29242ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return SourceRange(LParenLoc, RParenLoc); 29251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 29262ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const Stmt *T) { 29271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenListExprClass; 29282ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 29292ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const ParenListExpr *) { return true; } 29301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29312ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman // Iterators 29322ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_begin(); 29332ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_end(); 29342ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman}; 29352ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29374eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29384eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 29394eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29404eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 2941a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 2942a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 2943a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 2944a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 2945a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 294673525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// Note that the base may have either vector or pointer to vector type, just 294773525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// like a struct field reference. 294873525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// 2949a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 2950a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 2951d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo *Accessor; 2952a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 2953a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 2954a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 2955a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 29562333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ExtVectorElementExprClass, ty, base->isTypeDependent(), 29572333f7727f97018d6742e1e0938133bcfad967abEli Friedman base->isValueDependent()), 2958d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor Base(base), Accessor(&accessor), AccessorLoc(loc) {} 29591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2960d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Build an empty vector element expression. 2961d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit ExtVectorElementExpr(EmptyShell Empty) 2962d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor : Expr(ExtVectorElementExprClass, Empty) { } 2963d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2964a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 2965a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 2966d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBase(Expr *E) { Base = E; } 2967d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2968d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo &getAccessor() const { return *Accessor; } 2969d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessor(IdentifierInfo *II) { Accessor = II; } 2970d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2971d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getAccessorLoc() const { return AccessorLoc; } 2972d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessorLoc(SourceLocation L) { AccessorLoc = L; } 2973d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2974a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 2975a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 29761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2977a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 2978a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 2979a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 29801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2981a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 2982a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 2983a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2985a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 2986a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 2987a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 29881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29892140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// isArrow - Return true if the base expression is a pointer to vector, 29902140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// return false if the base expression is a vector. 29912140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner bool isArrow() const; 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 29941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ExtVectorElementExprClass; 2995a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 2996a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 29971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2998a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 2999a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 3000a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 3001a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 3002a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 3003a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 300456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 30059c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 30064eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 300756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 300856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 3009b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool HasBlockDeclRefExprs; 30104eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 3011b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump BlockExpr(BlockDecl *BD, QualType ty, bool hasBlockDeclRefExprs) 30122333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockExprClass, ty, ty->isDependentType(), false), 3013b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump TheBlock(BD), HasBlockDeclRefExprs(hasBlockDeclRefExprs) {} 30149c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 301584af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor /// \brief Build an empty block expression. 301684af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor explicit BlockExpr(EmptyShell Empty) : Expr(BlockExprClass, Empty) { } 301784af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 3018d5cab5435371b8cc74a9e05ebd40b5995ebad149Anders Carlsson const BlockDecl *getBlockDecl() const { return TheBlock; } 301956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 302084af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setBlockDecl(BlockDecl *BD) { TheBlock = BD; } 302184af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 302256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 302356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 302456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 302556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 30269c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 30279c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 302856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 30299c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 30309c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 303156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 303256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 303356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 3034b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump /// hasBlockDeclRefExprs - Return true iff the block has BlockDeclRefExpr 30355b54b88c4082bb81b8b341b622fda9a85cbd5fadChris Lattner /// inside of the block that reference values outside the block. 3036b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool hasBlockDeclRefExprs() const { return HasBlockDeclRefExprs; } 303784af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setHasBlockDeclRefExprs(bool BDRE) { HasBlockDeclRefExprs = BDRE; } 3038b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump 30391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30409c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 30414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30424eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 30431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30474eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30494eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 30504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 30514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ValueDecl *D; 30534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 30547d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool IsByRef : 1; 30557d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool ConstQualAdded : 1; 30564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 30572333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Fix type/value dependence! 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef, 30592333f7727f97018d6742e1e0938133bcfad967abEli Friedman bool constAdded = false) 30602333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockDeclRefExprClass, t, false, false), D(d), Loc(l), IsByRef(ByRef), 30612333f7727f97018d6742e1e0938133bcfad967abEli Friedman ConstQualAdded(constAdded) {} 306294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 306394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // \brief Build an empty reference to a declared variable in a 306494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // block. 306594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor explicit BlockDeclRefExpr(EmptyShell Empty) 306694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(BlockDeclRefExprClass, Empty) { } 30671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30684eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 30694eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 307094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setDecl(ValueDecl *VD) { D = VD; } 307194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 307294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getLocation() const { return Loc; } 307394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setLocation(SourceLocation L) { Loc = L; } 307494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30754eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 30761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30774eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 307894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setByRef(bool BR) { IsByRef = BR; } 30791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30807d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool isConstQualAdded() const { return ConstQualAdded; } 30817d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian void setConstQualAdded(bool C) { ConstQualAdded = C; } 308294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BlockDeclRefExprClass; 30854eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30864eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 30871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30884eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30894eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30904eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30914eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30924eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 30935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 30945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3096