Expr.h revision 848fa64143fbe5ae62a601ad61277f741e54dfab
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" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 21525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 223b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 23b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar#include "llvm/ADT/StringRef.h" 24c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 27590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 28c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 29c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 30c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 31c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 328e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 33c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 3588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXOperatorCallExpr; 3688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor class CXXMemberCallExpr; 37833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 38d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 3988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 46898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 479ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregorprotected: 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// TypeDependent - Whether this expression is type-dependent 49898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.expr]). 50898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool TypeDependent : 1; 51898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ValueDependent - Whether this expression is value-dependent 53898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.constexpr]). 54898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool ValueDependent : 1; 55898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 56898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(StmtClass SC, QualType T, bool TD, bool VD) 57b3eef68111ffc220e449be96da1747998c057790Douglas Gregor : Stmt(SC), TypeDependent(TD), ValueDependent(VD) { 58898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor setType(T); 59898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 60898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 610b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty expression. 620b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor explicit Expr(StmtClass SC, EmptyShell) : Stmt(SC) { } 630b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 6543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this expression. 6643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 6743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this expression 6843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 6943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Expr *Retain() { 7043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt::Retain(); 7143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 7243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setType(QualType t) { 769d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 779d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 789d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 799d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 809d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 819d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 829d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 83905d11d53aeb6b26744f44fedc2b2820c7a62df6Douglas Gregor assert((t.isNull() || !t->isReferenceType()) && 848320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 85f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TR = t; 879d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 8877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 89898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isValueDependent - Determines whether this expression is 90898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// value-dependent (C++ [temp.dep.constexpr]). For example, the 91898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// array bound of "Chars" in the following example is 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// value-dependent. 93898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 94898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// template<int Size, char (&Chars)[Size]> struct meta_string; 95898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 96898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isValueDependent() const { return ValueDependent; } 97898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 980b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is value-dependent or not. 990b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValueDependent(bool VD) { ValueDependent = VD; } 1000b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 101898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isTypeDependent - Determines whether this expression is 102898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type-dependent (C++ [temp.dep.expr]), which means that its type 103898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// could change from one template instantiation to the next. For 104898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// example, the expressions "x" and "x + y" are type-dependent in 105898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the following code, but "y" is not type-dependent: 106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @code 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// template<typename T> 108898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// void add(T x, int y) { 109898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// x + y; 110898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// } 111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// @endcode 112898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isTypeDependent() const { return TypeDependent; } 113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1140b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Set whether this expression is type-dependent or not. 1150b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setTypeDependent(bool TD) { TypeDependent = TD; } 1160b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// isUnusedResultAWarning - Return true if this immediate expression should 127026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// be warned about if the result is unused. If so, fill in Loc and Ranges 128026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// with location to warn on and the source range[s] to report with the 129026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner /// warning. 130026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner bool isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1, 131df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump SourceRange &R2, ASTContext &Ctx) const; 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 14208ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 14376458501a8963fa11b91c9337a487de6871169b4Sebastian Redl /// - b ? x : y, where x and y are lvalues of suitable types [C++] 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 149fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 15086f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor LV_InvalidExpression, 1512514a309204341798f96912ce7a90841bea59727Fariborz Jahanian LV_MemberFunction, 152e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertySetting, 153e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian LV_SubObjCPropertyGetterSetting 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 15528be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 15653202857c60214d80950a975e6e52aebf30bd16aEli Friedman 15753202857c60214d80950a975e6e52aebf30bd16aEli Friedman // Same as above, but excluding checks for non-object and void types in C 15853202857c60214d80950a975e6e52aebf30bd16aEli Friedman isLvalueResult isLvalueInternal(ASTContext &Ctx) const; 1591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// and if it is a structure or union, does not have any member (including, 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 16544e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// 16644e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// \param Loc [in] [out] - A source location which *may* be filled 16744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// in with the location of the expression making this a 16844e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar /// non-modifiable lvalue, if specified. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 173fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 175ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1784f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1795daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 180ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 18186f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor MLV_NoSetterProperty, 1822514a309204341798f96912ce7a90841bea59727Fariborz Jahanian MLV_MemberFunction, 183e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertySetting, 184e9ff443040cb571ae2c5c2626c4dc9a9a812d84aFariborz Jahanian MLV_SubObjCPropertyGetterSetting 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 18644e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx, 18744e35f7b2b5da1eb338639e46bf0b5522e75c5f3Daniel Dunbar SourceLocation *Loc = 0) const; 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18933bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// \brief If this expression refers to a bit-field, retrieve the 19033bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor /// declaration of that bit-field. 19133bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor FieldDecl *getBitField(); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19338d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson const FieldDecl *getBitField() const { 19438d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson return const_cast<Expr*>(this)->getBitField(); 19538d068e8f13a119b89a3b8b0f79f35cab1ffd09aAnders Carlsson } 1961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 197093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson /// \brief Returns whether this expression refers to a vector element. 198093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson bool refersToVectorElement() const; 199093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 204590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 205590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 207590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 2088070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 209590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 211c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// isConstantInitializer - Returns true if this expression is a constant 212c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman /// initializer, which can be emitted at compile-time. 213c9e8f606787b0bc0c3b08e566b87cc1751694168Eli Friedman bool isConstantInitializer(ASTContext &Ctx) const; 2141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// EvalResult is a struct with detailed info about an evaluated expression. 21694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson struct EvalResult { 2172d6744ff04c1690a1485178d550d2fab84a0270bDaniel Dunbar /// Val - This is the value the expression can be folded to. 21894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson APValue Val; 2191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// HasSideEffects - Whether the evaluated expression has side effects. 22194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// For example, (f() && 0) can be folded, but it still has side effects. 22294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson bool HasSideEffects; 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag - If the expression is unfoldable, then Diag contains a note 22594deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// diagnostic indicating why it's not foldable. DiagLoc indicates a caret 22694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// position for the error, and DiagExpr is the expression that caused 22794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// the error. 22894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// If the expression is foldable, but not an integer constant expression, 22994deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// Diag contains a note diagnostic that describes why it isn't an integer 23094deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// constant expression. If the expression *is* an integer constant 23194deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson /// expression, then Diag will be zero. 23294deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson unsigned Diag; 23394deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson const Expr *DiagExpr; 23494deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson SourceLocation DiagLoc; 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23694deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson EvalResult() : HasSideEffects(false), Diag(0), DiagExpr(0) {} 23794deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson }; 23894deaf675ae60e11c2d9475c6dbfd0c7123160f5Anders Carlsson 2396ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 240019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 241019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 242019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 2435b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson bool Evaluate(EvalResult &Result, ASTContext &Ctx) const; 2445b45d4ef1ea3f04ec863daf8aa29be6c6e021750Anders Carlsson 245660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// EvaluateAsAny - The same as Evaluate, except that it also succeeds on 246660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump /// stack based objects. 247660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump bool EvaluateAsAny(EvalResult &Result, ASTContext &Ctx) const; 248660e6f79a138a30a437c02142f23e7ef4eb21b2eMike Stump 249cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// EvaluateAsBooleanCondition - Return true if this is a constant 250cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// which we we can fold and convert to a boolean condition using 251cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall /// any crazy technique that we want to. 252cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall bool EvaluateAsBooleanCondition(bool &Result, ASTContext &Ctx) const; 253cd7a445c6b46c5585580dfb652300c8483c0cb6bJohn McCall 2546ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 25545b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 25645b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 257c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 2586ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// HasSideEffects - This routine returns true for all those expressions 2596ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// which must be evaluated each time and must not be optimization away 2606ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// or evaluated at compile time. Example is a function call, volatile 2616ddf4784a22b994b954ed74c6061d4603d474639Fariborz Jahanian /// variable read. 262393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian bool HasSideEffects(ASTContext &Ctx) const; 263393c247fe025ccb5f914e37e948192ea86faef8cFariborz Jahanian 26451fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// EvaluateAsInt - Call Evaluate and return the folded integer. This 26551fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 26651fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson llvm::APSInt EvaluateAsInt(ASTContext &Ctx) const; 26751fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 268b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsLValue - Evaluate an expression to see if it's a lvalue 269b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// with link time known address. 2701b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson bool EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const; 2711b78276a75a5a0f496a82429c1ff9604d622a76dAnders Carlsson 272b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// EvaluateAsAnyLValue - The same as EvaluateAsLValue, except that it 273b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman /// also succeeds on stack based, immutable address lvalues. 274b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman bool EvaluateAsAnyLValue(EvalResult &Result, ASTContext &Ctx) const; 275b2f295c8050fb8c141bf2cf38eed0a56e99d0092Eli Friedman 276ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Enumeration used to describe how \c isNullPointerConstant() 277ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// should cope with value-dependent expressions. 278ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor enum NullPointerConstantValueDependence { 279ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that the expression should never be value-dependent. 280ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_NeverValueDependent = 0, 281ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 282ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression of integral or 283ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// dependent type should be considered a null pointer constant. 284ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNull, 285ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 286ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// \brief Specifies that a value-dependent expression should be considered 287ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor /// to never be a null pointer constant. 288ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NPC_ValueDependentIsNotNull 289ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor }; 290ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor 291efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// isNullPointerConstant - C99 6.3.2.3p3 - Return true if this is either an 292efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// integer constant expression with the value zero, or if this is one that is 293efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson /// cast to void*. 294ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor bool isNullPointerConstant(ASTContext &Ctx, 295ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor NullPointerConstantValueDependence NPC) const; 296efa9b3877ef298bcb792600ac33521827e1f7fafAnders Carlsson 29744baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian /// isOBJCGCCandidate - Return true if this expression may be used in a read/ 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// write barrier. 299102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian bool isOBJCGCCandidate(ASTContext &Ctx) const; 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3014e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// its subexpression. If that subexpression is also a ParenExpr, 3034e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 3044e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 3054e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 30656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 30756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 30827c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 30956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 312ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// value (including ptr->int casts of the same size). Strip off any 313ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner /// ParenExpr or CastExprs, returning their operand. 314ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *IgnoreParenNoopCasts(ASTContext &Ctx); 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3166eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Determine whether this expression is a default function argument. 3176eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// 3186eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// Default arguments are implicitly generated in the abstract syntax tree 3196eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// by semantic analysis for function calls, object constructions, etc. in 3206eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// C++. Default arguments are represented by \c CXXDefaultArgExpr nodes; 3216eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// this routine also looks through any implicit casts to determine whether 3226eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// the expression is a default argument. 3236eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor bool isDefaultArgument() const; 3246eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 3254e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 3264e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 3274e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 32856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 32956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 33056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 331ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner const Expr *IgnoreParenNoopCasts(ASTContext &Ctx) const { 332ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx); 333ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyTypeDependentArguments(Expr** Exprs, unsigned NumExprs); 336898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyValueDependentArguments(Expr** Exprs, unsigned NumExprs); 337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() <= lastExprConstant; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3465549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 350a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents the qualifier that may precede a C++ name, e.g., the 351a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// "std::" in "std::sort". 352a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct NameQualifier { 353a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The nested name specifier. 354a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *NNS; 355a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 356a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source range covered by the nested name specifier. 357a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange Range; 358a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 359a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 360a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// \brief Represents an explicit template argument list in C++, e.g., 361a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// the "<int>" in "sort<int>". 362a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregorstruct ExplicitTemplateArgumentList { 363a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the left angle bracket ('<'); 364a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation LAngleLoc; 365a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 366a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The source location of the right angle bracket ('>'); 367a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation RAngleLoc; 368a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 369a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief The number of template arguments in TemplateArgs. 370a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// The actual template arguments (if any) are stored after the 371a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// ExplicitTemplateArgumentList structure. 372a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned NumTemplateArgs; 373a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 374a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 375833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall TemplateArgumentLoc *getTemplateArgs() { 376833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<TemplateArgumentLoc *> (this + 1); 377a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 378a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 379a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments 380833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 381833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return reinterpret_cast<const TemplateArgumentLoc *> (this + 1); 382a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 383d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 384d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void initializeFrom(const TemplateArgumentListInfo &List); 385d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyInto(TemplateArgumentListInfo &List) const; 386d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::size_t sizeFor(const TemplateArgumentListInfo &List); 387a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor}; 388a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 392a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor enum { 393a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 394a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has a C++ nested-name-specifier. 395a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasQualifierFlag = 0x01, 396a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Flag on DecoratedD that specifies when this declaration reference 397a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // expression has an explicit C++ template argument list. 398a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor HasExplicitTemplateArgumentListFlag = 0x02 399a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor }; 400a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 401a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // DecoratedD - The declaration that we are referencing, plus two bits to 402a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // indicate whether (1) the declaration's name was explicitly qualified and 403a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // (2) the declaration's name was followed by an explicit template 404a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // argument list. 405dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall llvm::PointerIntPair<ValueDecl *, 2> DecoratedD; 406a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 407a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor // Loc - The location of the declaration name itself. 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4099e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 410a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the declaration name, if any. 411a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NameQualifier *getNameQualifier() { 4122cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 413a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 414a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 415a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<NameQualifier *> (this + 1); 416a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 417a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 418a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 419a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const NameQualifier *getNameQualifier() const { 420a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getNameQualifier(); 421a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 422a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 423a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 424a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 425a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 4262cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag) == 0) 427a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 428a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4292cf719c3c3d805f630dfc6b1255e52647820888eSebastian Redl if ((DecoratedD.getInt() & HasQualifierFlag) == 0) 430a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 431a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 432a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 433a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor getNameQualifier() + 1); 434a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 435a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 436a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the explicit template argument list that followed the 437a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member template name, if any. 438a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 439a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return const_cast<DeclRefExpr *>(this)->getExplicitTemplateArgumentList(); 440a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 441a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 442a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor DeclRefExpr(NestedNameSpecifier *Qualifier, SourceRange QualifierRange, 443dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, SourceLocation NameLoc, 444d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs, 4450da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T); 446a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4479e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 4480da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// \brief Computes the type- and value-dependence flags for this 4490da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor /// declaration reference expression. 4500da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor void computeDependence(); 4519e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 452dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(StmtClass SC, ValueDecl *d, QualType t, SourceLocation l) : 4530da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(SC, t, false, false), DecoratedD(d, 0), Loc(l) { 4540da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4550da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4561a49af9681c350fef58e677f85ccb9a77e8e9d0aDouglas Gregor 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 458dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 4590da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor Expr(DeclRefExprClass, t, false, false), DecoratedD(d, 0), Loc(l) { 4600da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor computeDependence(); 4610da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4630b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty declaration reference expression. 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit DeclRefExpr(EmptyShell Empty) 4650b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(DeclRefExprClass, Empty) { } 4660b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 467a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor static DeclRefExpr *Create(ASTContext &Context, 468a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *Qualifier, 469a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange QualifierRange, 470dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 471a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 4720da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T, 4730da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs = 0); 474a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 475dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *getDecl() { return DecoratedD.getPointer(); } 476dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall const ValueDecl *getDecl() const { return DecoratedD.getPointer(); } 477dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall void setDecl(ValueDecl *NewD) { DecoratedD.setPointer(NewD); } 478904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4799e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 4800b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 481a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor virtual SourceRange getSourceRange() const; 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determine whether this declaration reference was preceded by a 484a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// C++ nested-name-specifier, e.g., \c N::foo. 485a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasQualifier() const { return DecoratedD.getInt() & HasQualifierFlag; } 486a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 487a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the source range of 488a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// the nested-name-specifier that precedes the name. Otherwise, 489a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// returns an empty source range. 490a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceRange getQualifierRange() const { 491a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 492a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceRange(); 493a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 494a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->Range; 495a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 496a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 497a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief If the name was qualified, retrieves the nested-name-specifier 498a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// that precedes the name. Otherwise, returns NULL. 499a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor NestedNameSpecifier *getQualifier() const { 500a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasQualifier()) 501a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 502a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 503a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getNameQualifier()->NNS; 504a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 505a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 506a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Determines whether this member expression actually had a C++ 507a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 508a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor bool hasExplicitTemplateArgumentList() const { 509a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return DecoratedD.getInt() & HasExplicitTemplateArgumentListFlag; 510a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 511d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 512d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 513d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 514d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 515d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 516d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 517d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 518a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 519a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the left angle bracket following the 520a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// member name ('<'), if any. 521a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getLAngleLoc() const { 522a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 523a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 524a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 525a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 526a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 527a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 528a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the template arguments provided as part of this 529a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 530833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 531a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 532a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 533a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 534a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 535a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 536a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 537a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 538a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template-id. 539a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor unsigned getNumTemplateArgs() const { 540a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 541a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return 0; 542a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 543a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 544a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 545a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 546a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// \brief Retrieve the location of the right angle bracket following the 547a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor /// template arguments ('>'). 548a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation getRAngleLoc() const { 549a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor if (!hasExplicitTemplateArgumentList()) 550a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return SourceLocation(); 551a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 552a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 553a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor } 554a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 55699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return T->getStmtClass() == DeclRefExprClass; 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 565d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 566d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 567227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 568227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 569227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 570227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 571848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunction, 572848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// PrettyFunctionNoVirtual - The same as PrettyFunction, except that the 573848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson /// 'virtual' keyword is omitted for virtual member functions. 574848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson PrettyFunctionNoVirtual 575227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 577227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 578227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 579227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 580227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 582773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson : Expr(PredefinedExprClass, type, type->isDependentType(), 583773f3973cf5e2b6b8788e895967dcb3c1e6ffe79Anders Carlsson type->isDependentType()), Loc(l), Type(IT) {} 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty predefined expression. 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit PredefinedExpr(EmptyShell Empty) 58717fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(PredefinedExprClass, Empty) { } 58817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 589227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 59017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setIdentType(IdentType IT) { Type = IT; } 59117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 59217fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 59317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 59417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 595848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson static std::string ComputeName(IdentType IT, const Decl *CurrentDecl); 5963a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 597227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 598227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == PredefinedExprClass; 601227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 602d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 60577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 60677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 607227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 608227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 6162333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(IntegerLiteralClass, type, false, false), Value(V), Loc(l) { 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 619a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 6200b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty integer literal. 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IntegerLiteral(EmptyShell Empty) 6220b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor : Expr(IntegerLiteralClass, Empty) { } 6230b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 627313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Retrieve the location of the literal. 628313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLocation() const { return Loc; } 629313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 6300b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(const llvm::APInt &Val) { Value = Val; } 6310b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6320b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IntegerLiteralClass; 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 63877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 63977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 64077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 646c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 649c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 6502333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CharacterLiteralClass, type, false, false), Value(value), Loc(l), 6512333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsWide(iswide) { 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6530b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6540b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor /// \brief Construct an empty character literal. 6550b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor CharacterLiteral(EmptyShell Empty) : Expr(CharacterLiteralClass, Empty) { } 6560b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 657018d8e0596dd57401eeddcf11ac84ff0a065fbbeChris Lattner SourceLocation getLocation() const { return Loc; } 658c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6640b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setLocation(SourceLocation Location) { Loc = Location; } 6650b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setWide(bool W) { IsWide = W; } 6660b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor void setValue(unsigned Val) { Value = Val; } 6670b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CharacterLiteralClass; 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 67277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 67377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 67477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 67577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 679525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 680720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FloatingLiteral(const llvm::APFloat &V, bool isexact, 684720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 6852333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(FloatingLiteralClass, Type, false, false), Value(V), 6862333f7727f97018d6742e1e0938133bcfad967abEli Friedman IsExact(isexact), Loc(L) {} 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 68817fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor /// \brief Construct an empty floating-point literal. 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit FloatingLiteral(EmptyShell Empty) 69017fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor : Expr(FloatingLiteralClass, Empty), Value(0.0) { } 69117fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 692c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 69317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setValue(const llvm::APFloat &Val) { Value = Val; } 69417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 695720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 69617fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setExact(bool E) { IsExact = E; } 697c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 698da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 699da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 700da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 701da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70317fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor SourceLocation getLocation() const { return Loc; } 70417fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor void setLocation(SourceLocation L) { Loc = L; } 70517fc223395d51be582fc666bb6ea21bd1dff26dcDouglas Gregor 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == FloatingLiteralClass; 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 71477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 71577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7185d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 7195d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 7205d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 7215d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 7225d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 7235d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 7245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 7255d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 7265d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 7272333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImaginaryLiteralClass, Ty, false, false), Val(val) {} 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 729cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Build an empty imaginary literal. 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImaginaryLiteral(EmptyShell Empty) 731cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ImaginaryLiteralClass, Empty) { } 732cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7335549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 7345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 735cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 736cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 7375d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImaginaryLiteralClass; 7405d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 7415d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7435d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 7445d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 7455d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 7465d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 7475d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 748e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 749e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 750e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 751a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 752c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// ConstantArrayType. In C++, the char type is const qualified, in C it is 753c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// not. 754690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// 755690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// Note that strings in C can be formed by concatenation of multiple string 7568bea7c0ee44c71c817de7dc2be932b73bec90c9fChris Lattner/// literal pptokens in translation phase #6. This keeps track of the locations 757690398188ea5b428f06aa13c7d4ce6eb741ad4f9Chris Lattner/// of each of these pieces. 758c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// 759c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// Strings in C can also be truncated and extended by assigning into arrays, 760c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// e.g. with constructs like: 761c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// char X[2] = "foobar"; 762c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// In this case, getByteLength() will return 6, but the string literal will 763c4a09c189981b4561428e4b56fd250718e2717bbChris Lattner/// have type "char[2]". 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 768726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned NumConcatenated; 769726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation TokLocs[1]; 7702085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 7712333f7727f97018d6742e1e0938133bcfad967abEli Friedman StringLiteral(QualType Ty) : Expr(StringLiteralClass, Ty, false, false) {} 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 77442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &C); 77542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7772085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// This is the "fully general" constructor that allows representation of 7782085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// strings formed from multiple concatenated tokens. 7792085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static StringLiteral *Create(ASTContext &C, const char *StrData, 7802085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, bool Wide, QualType Ty, 781a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson const SourceLocation *Loc, unsigned NumStrs); 7822085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner 7832085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner /// Simple constructor for string literals made from one token. 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static StringLiteral *Create(ASTContext &C, const char *StrData, 7852085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner unsigned ByteLength, 7862085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner bool Wide, QualType Ty, SourceLocation Loc) { 7872085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Create(C, StrData, ByteLength, Wide, Ty, &Loc, 1); 7882085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 789a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson 790673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Construct an empty string literal. 791673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor static StringLiteral *CreateEmpty(ASTContext &C, unsigned NumStrs); 792673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 793b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef getString() const { 794b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar return llvm::StringRef(StrData, ByteLength); 795b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar } 796b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar // FIXME: These are deprecated, replace with StringRef. 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 799673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 800673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor /// \brief Sets the string data to the given string data. 801b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar void setString(ASTContext &C, llvm::StringRef Str); 802673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 804673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor void setWide(bool W) { IsWide = W; } 805673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 8068d4141f83d9de379547cf05bd75d4c6cf894b189Steve Naroff bool containsNonAsciiOrNull() const { 807b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar llvm::StringRef Str = getString(); 808b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar for (unsigned i = 0, e = Str.size(); i != e; ++i) 809b648023da23e8b227cdda57a241db4c6f368726bDaniel Dunbar if (!isascii(Str[i]) || !Str[i]) 81033fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return true; 81133fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff return false; 81233fdb738a6c125f4c788733897021b7c1a062b0cSteve Naroff } 813726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// getNumConcatenated - Get the number of string literal tokens that were 814726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner /// concatenated in translation phase #6 to form this string literal. 815726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner unsigned getNumConcatenated() const { return NumConcatenated; } 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner SourceLocation getStrTokenLoc(unsigned TokNum) const { 818726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner assert(TokNum < NumConcatenated && "Invalid tok number"); 819726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner return TokLocs[TokNum]; 820726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner } 8211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setStrTokenLoc(unsigned TokNum, SourceLocation L) { 822673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor assert(TokNum < NumConcatenated && "Invalid tok number"); 823673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor TokLocs[TokNum] = L; 824673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor } 825673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 826b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner typedef const SourceLocation *tokloc_iterator; 827b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_begin() const { return TokLocs; } 828b137299ce5bb6c36fbba651858600857fda4dd50Chris Lattner tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; } 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]); 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StringLiteralClass; 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 83977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 84077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 8475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 850898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ParenExprClass, val->getType(), 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump val->isTypeDependent(), val->isValueDependent()), 852898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor L(l), R(r), Val(val) {} 8531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 854c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor /// \brief Construct an empty parenthesized expression. 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ParenExpr(EmptyShell Empty) 856c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor : Expr(ParenExprClass, Empty) { } 857c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 8585549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 8595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 860c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 861c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor 862866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 864313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the left parentheses '('. 865313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getLParen() const { return L; } 866c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setLParen(SourceLocation Loc) { L = Loc; } 867313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 868313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor /// \brief Get the location of the right parentheses ')'. 869313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor SourceLocation getRParen() const { return R; } 870c04db4feefa2b0dbbc6876cb4eeeee108aa6791dDouglas Gregor void setRParen(SourceLocation Loc) { R = Loc; } 871313a81dd820c9b2c0203bdcd974c781a81e4f0cfDouglas Gregor 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenExprClass; 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 8761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 87877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 87977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8830518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 8840518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 886dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 887dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 888dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 889dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 890dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 891dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 892dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 89373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 8941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// subexpression is a compound literal with the various MemberExpr and 89573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 89673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 89913d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 90773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 90873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 9115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 9179103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor : Expr(UnaryOperatorClass, type, 9189103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor input->isTypeDependent() && opc != OffsetOf, 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump input->isValueDependent()), 9209103bb27f4eefa0e0d7935387750e3aca24abc49Douglas Gregor Val(input), Opc(opc), Loc(l) {} 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9220b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Build an empty unary operator. 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit UnaryOperator(EmptyShell Empty) 9240b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(UnaryOperatorClass, Empty), Opc(AddrOf) { } 9250b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 9270b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 9280b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9295549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 9300b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSubExpr(Expr *E) { Val = E; } 9310b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 9340b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { Loc = L; } 9350b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 9372085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPostfix(Opcode Op) { 9382085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PostInc || Op == PostDec; 9392085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9415a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 9422085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner static bool isPrefix(Opcode Op) { 9432085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return Op == PreInc || Op == PreDec; 9442085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner } 9455a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 9465a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 9485d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 9505a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isArithmeticOp() const { return isArithmeticOp(Opc); } 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 958bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the unary opcode that corresponds to the given 959bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// overloaded operator. 960bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix); 961bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 962bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 963bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor /// the given unary opcode. 964bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 965bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == UnaryOperatorClass; 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 98077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 98177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9840518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 9850518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 9860518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 9870518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 9880518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 989d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl union { 990a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *Ty; 991d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl Stmt *Ex; 992d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } Argument; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 99442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 99542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 99642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 99742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 999a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall SizeOfAlignOfExpr(bool issizeof, TypeSourceInfo *TInfo, 10000518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 10010518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 10022850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl Expr(SizeOfAlignOfExprClass, resultType, 1003ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 10042850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // Value-dependent if the argument is type-dependent. 1005a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo->getType()->isDependentType()), 1006ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(true), OpLoc(op), RParenLoc(rp) { 1007a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 1008ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor } 1009ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr(bool issizeof, Expr *E, 1011ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor QualType resultType, SourceLocation op, 1012ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor SourceLocation rp) : 1013ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Expr(SizeOfAlignOfExprClass, resultType, 1014ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor false, // Never type-dependent (C++ [temp.dep.expr]p3). 1015ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor // Value-dependent if the argument is type-dependent. 1016ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor E->isTypeDependent()), 1017ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor isSizeof(issizeof), isType(false), OpLoc(op), RParenLoc(rp) { 1018ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor Argument.Ex = E; 1019d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl } 10200518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 10210b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor /// \brief Construct an empty sizeof/alignof expression. 10220b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor explicit SizeOfAlignOfExpr(EmptyShell Empty) 10230b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor : Expr(SizeOfAlignOfExprClass, Empty) { } 10240b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 10260b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setSizeof(bool S) { isSizeof = S; } 10270b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10280518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 10290518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 10305ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return getArgumentTypeInfo()->getType(); 10315ab75172051a6d2ea71a80a79e81c65519fd3462John McCall } 1032a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *getArgumentTypeInfo() const { 10330518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 10345ab75172051a6d2ea71a80a79e81c65519fd3462John McCall return Argument.Ty; 10350518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1036caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner Expr *getArgumentExpr() { 10370518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 1038d457589fc69dc7a9c80cd74d317c0b81a35a27c9Sebastian Redl return static_cast<Expr*>(Argument.Ex); 10390518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 1040caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner const Expr *getArgumentExpr() const { 1041caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner return const_cast<SizeOfAlignOfExpr*>(this)->getArgumentExpr(); 1042caae7b099a0324b7c15dc89a9b70969d5d7ce996Chris Lattner } 10430b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10440b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setArgument(Expr *E) { Argument.Ex = E; isType = false; } 1045a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall void setArgument(TypeSourceInfo *TInfo) { 1046a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Argument.Ty = TInfo; 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isType = true; 10480b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor } 10490b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10500518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 10510518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 10520518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 10530518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 10540518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 10550518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 105676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 10570b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 10580b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor 10590b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10600b0b77fa29c74c99a77548ed86ca8a04f7cf6b02Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1061866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1062866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1063866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 1064866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SizeOfAlignOfExprClass; 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10690518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 107277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 107377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 108277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10862324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 108773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 10882850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl : Expr(ArraySubscriptExprClass, t, 10892850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isTypeDependent() || rhs->isTypeDependent(), 10902850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl lhs->isValueDependent() || rhs->isValueDependent()), 10912850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl RBracketLoc(rbracketloc) { 109273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 109373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 109473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor /// \brief Create an empty array subscript expression. 1097cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor explicit ArraySubscriptExpr(EmptyShell Shell) 1098cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor : Expr(ArraySubscriptExprClass, Shell) { } 1099cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11002324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 11012324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 11022324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 11032324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 11042324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 110533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 110633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 110733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 110833fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 11095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 11105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1111cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 1112cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 11145549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1115cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getBase() { 11185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 111977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 11201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getBase() const { 11225549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 11232324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getIdx() { 11265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11272324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 112977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 11305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 11311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 113477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1137026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRBracketLoc() const { return RBracketLoc; } 1138cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } 1139cb2ca73c1d7e76cc1358ce51457d2d5837d84f9bDouglas Gregor 11405cd9d6daf3acd4cc87fecebd81d9495b9e4ba9cdChris Lattner virtual SourceLocation getExprLoc() const { return getBase()->getExprLoc(); } 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ArraySubscriptExprClass; 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 114777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 114877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 114977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1153b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 11541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 1155b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// results in a function call. For example, CXXOperatorCallExpr is 1157b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 1158b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 116077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 11615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1165b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 1166b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 1167668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr(ASTContext& C, StmtClass SC, Expr *fn, Expr **args, unsigned numargs, 1168668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek QualType t, SourceLocation rparenloc); 116942602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 117042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext& C); 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs, QualType t, 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11761f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty call expression. 1177ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty); 11781f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1179668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek ~CallExpr() {} 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 11825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 118318b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 1184a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1185d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes Decl *getCalleeDecl(); 1186d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes const Decl *getCalleeDecl() const { 1187d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return const_cast<CallExpr*>(this)->getCalleeDecl(); 1188d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes } 1189d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1190a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu /// \brief If the callee is a FunctionDecl, return it. Otherwise return 0. 1191a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu FunctionDecl *getDirectCallee(); 1192bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner const FunctionDecl *getDirectCallee() const { 1193bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return const_cast<CallExpr*>(this)->getDirectCallee(); 1194bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 1195a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12035549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 12075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1210934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1211934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1212934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1213934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1214934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1216d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 1217d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 1218d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 12198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void setNumArgs(ASTContext& C, unsigned NumArgs); 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 12225549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1224d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 1225d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 12265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 12275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1233cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 1234cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 12353c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned isBuiltinCall(ASTContext &Context) const; 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getCallReturnType - Get the return type of the call expr. This is not 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// always the type of the expr itself, if the return type is a reference 12396dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson /// type. 12406dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType getCallReturnType() const; 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1242d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 12431f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1244866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 124677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1250b4609806e9232593ece09ce08b630836e825865cDouglas Gregor return T->getStmtClass() == CallExprClass || 125188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor T->getStmtClass() == CXXOperatorCallExprClass || 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T->getStmtClass() == CXXMemberCallExprClass; 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 125588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 125688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 125788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 125877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 125977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 126077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1263ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. X->F and X.F. 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 1266ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// Base - the expression for the base pointer or structure references. In 1267ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// X.F, this is "X". 12685549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1270ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberDecl - This is the decl being referenced by the field/member name. 1271ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// In X.F, this is the decl referenced by F. 1272f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *MemberDecl; 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1274ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// MemberLoc - This is the location of the member name. 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1277ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// IsArrow - True if this is "X->F", false if this is "X.F". 127883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool IsArrow : 1; 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 128083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief True if this member expression used a nested-name-specifier to 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// refer to the member, e.g., "x->Base::f". When true, a NameQualifier 1282c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure is allocated immediately after the MemberExpr. 128383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool HasQualifier : 1; 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1285c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief True if this member expression specified a template argument list 1286c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// explicitly, e.g., x->f<int>. When true, an ExplicitTemplateArgumentList 1287c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// structure (and its TemplateArguments) are allocated immediately after 1288c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the MemberExpr or, if the member expression also has a qualifier, after 1289c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// the NameQualifier structure. 1290c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor bool HasExplicitTemplateArgumentList : 1; 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 129283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 129383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor NameQualifier *getMemberQualifier() { 129483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor if (!HasQualifier) 129583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 129783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return reinterpret_cast<NameQualifier *> (this + 1); 129883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 129983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 130083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief Retrieve the qualifier that preceded the member name, if any. 130183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor const NameQualifier *getMemberQualifier() const { 1302c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getMemberQualifier(); 1303c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1305c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1306c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1307c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() { 1308c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 130983f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1311c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasQualifier) 1312c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1314c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return reinterpret_cast<ExplicitTemplateArgumentList *>( 1315c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor getMemberQualifier() + 1); 1316c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1318c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the explicit template argument list that followed the 1319c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member template name, if any. 1320c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor const ExplicitTemplateArgumentList *getExplicitTemplateArgumentList() const { 1321c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return const_cast<MemberExpr *>(this)->getExplicitTemplateArgumentList(); 132283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MemberExpr(Expr *base, bool isarrow, NestedNameSpecifier *qual, 1325f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman SourceRange qualrange, ValueDecl *memberdecl, SourceLocation l, 1326d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, QualType ty); 132783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1329f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman MemberExpr(Expr *base, bool isarrow, ValueDecl *memberdecl, 1330f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman SourceLocation l, QualType ty) 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(MemberExprClass, ty, 1332ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson base->isTypeDependent(), base->isValueDependent()), 133383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow), 1334c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor HasQualifier(false), HasExplicitTemplateArgumentList(false) {} 1335510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 13361f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor /// \brief Build an empty member reference expression. 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit MemberExpr(EmptyShell Empty) 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(MemberExprClass, Empty), HasQualifier(false), 1339e6585a7d71510be00a625686153f48d496d3bbf1Douglas Gregor HasExplicitTemplateArgumentList(false) { } 13401f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static MemberExpr *Create(ASTContext &C, Expr *base, bool isarrow, 134283f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor NestedNameSpecifier *qual, SourceRange qualrange, 1343f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *memberdecl, 1344c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation l, 1345d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 1346c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor QualType ty); 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 134888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor void setBase(Expr *E) { Base = E; } 13495549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 135057e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor 135157e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// \brief Retrieve the member declaration to which this expression refers. 135257e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// 135357e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// The returned declaration will either be a FieldDecl or (in C++) 135457e8b05fe9ba03d410db9c161e032cb79c9ab5baDouglas Gregor /// a CXXMethodDecl. 1355f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *getMemberDecl() const { return MemberDecl; } 1356f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman void setMemberDecl(ValueDecl *D) { MemberDecl = D; } 13571f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 13590979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 13600979c805475d1ba49b5d6ef93c4d2ce6d2eab6edDouglas Gregor /// x->Base::foo. 136183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor bool hasQualifier() const { return HasQualifier; } 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 136383f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// \brief If the member name was qualified, retrieves the source range of 136483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// the nested-name-specifier that precedes the member name. Otherwise, 136583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// returns an empty source range. 13661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceRange getQualifierRange() const { 136783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor if (!HasQualifier) 136883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return SourceRange(); 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 137083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->Range; 137183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 137483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 137583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor /// NULL. 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *getQualifier() const { 137783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor if (!HasQualifier) 137883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return 0; 13791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138083f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return getMemberQualifier()->NNS; 138183f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor } 1382c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor 1383c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 1384c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 1385d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall bool hasExplicitTemplateArgumentList() const { 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return HasExplicitTemplateArgumentList; 1387c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1389d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 1390d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 1391d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1392d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (hasExplicitTemplateArgumentList()) 1393d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall getExplicitTemplateArgumentList()->copyInto(List); 1394d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1395d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 13961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 1397c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// member name ('<'), if any. 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 1399c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1400c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->LAngleLoc; 1403c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1405c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 1406c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 1407833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 1408c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1411c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->getTemplateArgs(); 1412c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1414c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 1415c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template-id. 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 1417c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return 0; 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1420c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->NumTemplateArgs; 1421c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 1424c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor /// template arguments ('>'). 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 1426c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (!HasExplicitTemplateArgumentList) 1427c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceLocation(); 14281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1429c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return getExplicitTemplateArgumentList()->RAngleLoc; 1430c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor } 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 14331f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setArrow(bool A) { IsArrow = A; } 14341f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1435ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// getMemberLoc - Return the location of the "member", in X->F, it is the 1436ddca44e86281bb7dcf5fdcaf1563434c524e3861Chris Lattner /// location of 'F'. 1437026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getMemberLoc() const { return MemberLoc; } 14381f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor void setMemberLoc(SourceLocation L) { MemberLoc = L; } 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 144172527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // If we have an implicit base (like a C++ implicit this), 144272527137c521ad9330ecb81ccd841159719dc8cdEli Friedman // make sure not to return its location 1443c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor SourceLocation EndLoc = MemberLoc; 1444c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor if (HasExplicitTemplateArgumentList) 1445c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor EndLoc = getRAngleLoc(); 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144772527137c521ad9330ecb81ccd841159719dc8cdEli Friedman SourceLocation BaseLoc = getBase()->getLocStart(); 144872527137c521ad9330ecb81ccd841159719dc8cdEli Friedman if (BaseLoc.isInvalid()) 1449c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(MemberLoc, EndLoc); 1450c4bf26fbdff42967d660f505a83f75a4df2cc752Douglas Gregor return SourceRange(BaseLoc, EndLoc); 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 145683f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor return T->getStmtClass() == MemberExprClass; 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14601237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 14611237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 14621237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// CompoundLiteralExpr - [C99 6.5.2.5] 1466aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 1467aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 14680fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 14690fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 14700fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 14710fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 14721d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall 14731d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// The type as written. This can be an incomplete array type, in 14741d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall /// which case the actual expression type will be different. 147542f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *TInfo; 14765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 1477e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 1478aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 14792333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can compound literals be value-dependent? 148042f56b50062cd3b3c6b23fdb9053578ae9145664John McCall CompoundLiteralExpr(SourceLocation lparenloc, TypeSourceInfo *tinfo, 14811d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall QualType T, Expr *init, bool fileScope) 14821d7d8d66eff7ed0f3e957d330930cc9ab8047addJohn McCall : Expr(CompoundLiteralExprClass, T, 148342f56b50062cd3b3c6b23fdb9053578ae9145664John McCall tinfo->getType()->isDependentType(), false), 148442f56b50062cd3b3c6b23fdb9053578ae9145664John McCall LParenLoc(lparenloc), TInfo(tinfo), Init(init), FileScope(fileScope) {} 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1486ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor /// \brief Construct an empty compound literal. 1487ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor explicit CompoundLiteralExpr(EmptyShell Empty) 1488ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor : Expr(CompoundLiteralExprClass, Empty) { } 1489ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 14905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 14915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 1492ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setInitializer(Expr *E) { Init = E; } 1493e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 1494e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 1495ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setFileScope(bool FS) { FileScope = FS; } 1496ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 14970fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 1498ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 1499ba6d7e7fa5f79959d3eef39adb5620d845ba5198Douglas Gregor 150042f56b50062cd3b3c6b23fdb9053578ae9145664John McCall TypeSourceInfo *getTypeSourceInfo() const { return TInfo; } 150142f56b50062cd3b3c6b23fdb9053578ae9145664John McCall void setTypeSourceInfo(TypeSourceInfo* tinfo) { TInfo = tinfo; } 150242f56b50062cd3b3c6b23fdb9053578ae9145664John McCall 150373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 15040fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 15050fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 15060fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 15070fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 150873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 15090fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 151073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 1511aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 15121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundLiteralExprClass; 1514aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 1515aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15171237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 15181237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 15191237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1520aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 1521aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 152249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 152349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 152449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 152549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 15260835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 1527cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonpublic: 1528cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CastKind - the kind of cast this represents. 1529cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson enum CastKind { 1530cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_Unknown - Unknown cast kind. 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// FIXME: The goal is to get rid of this and make all casts have a 1532cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// kind so that the AST client doesn't have to try to figure out what's 1533cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// going on. 1534cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_Unknown, 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1536cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_BitCast - Used for reinterpret_cast. 1537cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CK_BitCast, 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1539cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson /// CK_NoOp - Used for const_cast. 15403503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson CK_NoOp, 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154211de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson /// CK_BaseToDerived - Base to derived class casts. 154311de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson CK_BaseToDerived, 154411de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson 15453503d041ca8a3535a1c1a30005a6b18ae7aed5dbAnders Carlsson /// CK_DerivedToBase - Derived to base class casts. 1546714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson CK_DerivedToBase, 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1548714179b179a31a0c3769a968ee18ba87b901b13fAnders Carlsson /// CK_Dynamic - Dynamic cast. 15494d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson CK_Dynamic, 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15514d8673b645ad86e496b886a0f80b60763f67071dAnders Carlsson /// CK_ToUnion - Cast to union (GCC extension). 1552112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson CK_ToUnion, 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1554112a0a8ddf23f6d25e0920002d5d4c1df0515f86Anders Carlsson /// CK_ArrayToPointerDecay - Array to pointer decay. 155527a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_ArrayToPointerDecay, 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1557b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson // CK_FunctionToPointerDecay - Function to pointer decay. 1558b633c4ee622df81d4572ef57dac54ebed69bb9bfAnders Carlsson CK_FunctionToPointerDecay, 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156027a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_NullToMemberPointer - Null pointer to member pointer. 156127a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson CK_NullToMemberPointer, 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156327a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// CK_BaseToDerivedMemberPointer - Member pointer in base class to 156427a5b9b9babd1e4f8a19c5c9c0736c4b311c79b2Anders Carlsson /// member pointer in derived class. 15659099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian CK_BaseToDerivedMemberPointer, 15669099ff0cf91ac9e0b2d5a142807fa384ce842fc4Fariborz Jahanian 15671a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// CK_DerivedToBaseMemberPointer - Member pointer in derived class to 15681a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson /// member pointer in base class. 15691a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson CK_DerivedToBaseMemberPointer, 15701a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// CK_UserDefinedConversion - Conversion using a user defined type 157258d3f1af9b4efa426826816a16894986b78b2692Fariborz Jahanian /// conversion function. 15737fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian CK_UserDefinedConversion, 15747fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian 15757fe5d72fbc8605b60d42d32394248ea76cf763a0Fariborz Jahanian /// CK_ConstructorConversion - Conversion by constructor 15767f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_ConstructorConversion, 15777f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 15787f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_IntegralToPointer - Integral to pointer 15797f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson CK_IntegralToPointer, 15807f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson 15817f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson /// CK_PointerToIntegral - Pointer to integral 1582ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson CK_PointerToIntegral, 1583ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson 1584ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson /// CK_ToVoid - Cast to void. 158516a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson CK_ToVoid, 158616a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson 158716a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// CK_VectorSplat - Casting from an integer/floating type to an extended 158816a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson /// vector type with the same element type as the src type. Splats the 1589f67cea84bac1d3417f0baaf1fcbc86ee126e2d87Anders Carlsson /// src expression into the destination expression. 159082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_VectorSplat, 159182debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 159282debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralCast - Casting between integral types of different size. 159382debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralCast, 159482debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 159582debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_IntegralToFloating - Integral to floating point. 159682debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_IntegralToFloating, 159782debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 159882debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingToIntegral - Floating point to integral. 159982debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson CK_FloatingToIntegral, 160082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson 160182debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson /// CK_FloatingCast - Casting between floating types of different size. 1602bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson CK_FloatingCast, 1603bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1604bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson /// CK_MemberPointerToBoolean - Member pointer to boolean 160592ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian CK_MemberPointerToBoolean, 160692ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian 160792ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// CK_AnyPointerToObjCPointerCast - Casting any pointer to objective-c 160892ef5d75720c032808181133e4d7c5f82230237eFariborz Jahanian /// pointer 16093b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToObjCPointerCast, 16103b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// CK_AnyPointerToBlockPointerCast - Casting any pointer to block 16113b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian /// pointer 16123b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian CK_AnyPointerToBlockPointerCast 1613bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson 1614cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson }; 16151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1616cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlssonprivate: 1617cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind Kind; 16180835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 16190835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 1620c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(StmtClass SC, QualType ty, const CastKind kind, Expr *op) : 1621898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Expr(SC, ty, 1622898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are type-dependent if the type is 1623898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent (C++ [temp.dep.expr]p3). 1624898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ty->isDependentType(), 1625898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Cast expressions are value-dependent if the type is 1626898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependent or if the subexpression is value-dependent. 16271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ty->isDependentType() || (op && op->isValueDependent())), 1628c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson Kind(kind), Op(op) {} 16291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1630087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty cast. 16311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CastExpr(StmtClass SC, EmptyShell Empty) 1632087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : Expr(SC, Empty) { } 16331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16340835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 1635cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson CastKind getCastKind() const { return Kind; } 1636cdef2b75aa60cde1ca00e0aa3f89139ac89c6ae4Anders Carlsson void setCastKind(CastKind K) { Kind = K; } 1637f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson const char *getCastKindName() const; 1638f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 16390835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 16400835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 1641087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor void setSubExpr(Expr *E) { Op = E; } 1642087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 16436eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// \brief Retrieve the cast subexpression as it was written in the source 16446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// code, looking through any implicit casts or other intermediate nodes 16456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor /// introduced by semantic analysis. 16466eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *getSubExprAsWritten(); 16476eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *getSubExprAsWritten() const { 16486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return const_cast<CastExpr *>(this)->getSubExprAsWritten(); 16496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 16506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 16529d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 16539d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 16549d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 16559d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16566eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ImplicitCastExprClass && SC <= CStyleCastExprClass) 16570835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 16589d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 16599d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 16600835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 16610835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16630835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 16640835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 16650835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 16660835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 16670835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 166849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 166949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 167049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 167149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 167249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 1673bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 1674bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 1675bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// an lvalue. For example: 1676bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 1677bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 1678bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 1679bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// void f(Derived d) { 1681bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// Base& b = d; // initializer is an ImplicitCastExpr to an lvalue of type Base 1682bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 1683bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 16840835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 1685eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// LvalueCast - Whether this cast produces an lvalue. 1686eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool LvalueCast; 1687eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 168849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 1689c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ImplicitCastExpr(QualType ty, CastKind kind, Expr *op, bool Lvalue) : 1690c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson CastExpr(ImplicitCastExprClass, ty, kind, op), LvalueCast(Lvalue) { } 169190045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1692087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor /// \brief Construct an empty implicit cast. 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitCastExpr(EmptyShell Shell) 1694087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor : CastExpr(ImplicitCastExprClass, Shell) { } 1695087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 1696087fd536809ebe754d91c641a98917e02dd7452dDouglas Gregor 16970835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 16980835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 16990835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 170090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 1701eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// isLvalueCast - Whether this cast produces an lvalue. 1702eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool isLvalueCast() const { return LvalueCast; } 1703eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 1704eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// setLvalueCast - Set whether this cast produces an lvalue. 1705eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor void setLvalueCast(bool Lvalue) { LvalueCast = Lvalue; } 1706eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 17071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ImplicitCastExprClass; 170949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 171049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 171149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 171249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 171349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 17141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// code. 171549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 171649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 171749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 171849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 171949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 172049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 17215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 172249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 172349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 172449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 172549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 172649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 172749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// expression will be an lvalue. The reference type, however, will 172849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// not be used as the type of the expression. 17290835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 17309d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// TInfo - Source type info for the (written) type 17319d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// this expression is casting to. 17329d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo; 173349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 173449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 1735c0a2fd8f092722c8f78b566ac4506a21437040e9Anders Carlsson ExplicitCastExpr(StmtClass SC, QualType exprTy, CastKind kind, 17369d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *op, TypeSourceInfo *writtenTy) 17379d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall : CastExpr(SC, exprTy, kind, op), TInfo(writtenTy) {} 173849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 1739db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty explicit cast. 17401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(StmtClass SC, EmptyShell Shell) 1741db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : CastExpr(SC, Shell) { } 1742db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 174349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 17449d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// getTypeInfoAsWritten - Returns the type source info for the type 17459d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall /// that this expression is casting to. 17469d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *getTypeInfoAsWritten() const { return TInfo; } 17479d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall void setTypeInfoAsWritten(TypeSourceInfo *writtenTy) { TInfo = writtenTy; } 17489d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 174949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 175049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 17519d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall QualType getTypeAsWritten() const { return TInfo->getType(); } 175249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17549d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 175509cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall if (SC >= CStyleCastExprClass && SC <= CStyleCastExprClass) 17569d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 17579d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 175849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 17599d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 17609d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 176149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 176249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 176349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 176449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17656eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 176649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 176749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 17686eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 1769b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 1770b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17729d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr(QualType exprTy, CastKind kind, Expr *op, 17739d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *writtenTy, 17749d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall SourceLocation l, SourceLocation r) : 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExplicitCastExpr(CStyleCastExprClass, exprTy, kind, op, writtenTy), 1776b2f9e516327310d95840d442416084508f80c183Steve Naroff LPLoc(l), RPLoc(r) {} 177749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 1778db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty C-style explicit cast. 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CStyleCastExpr(EmptyShell Shell) 1780db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : ExplicitCastExpr(CStyleCastExprClass, Shell) { } 1781db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1782b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 1783db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLParenLoc(SourceLocation L) { LPLoc = L; } 1784db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 1785b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 1786db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRParenLoc(SourceLocation L) { RPLoc = L; } 1787db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 17885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 1789b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 17905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 17921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CStyleCastExprClass; 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17946eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17973fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A builtin binary operation expression such as "x + y" or "x <= y". 17983fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 17993fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// This expression node kind describes a builtin binary operation, 18003fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// such as "x + y" for integer values "x" and "y". The operands will 18013fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// already have been converted to appropriate types (e.g., by 18023fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// performing promotions or conversions). 18033fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 18043fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In C++, where operators may be overloaded, a different kind of 18053fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// expression node (CXXOperatorCallExpr) is used to express the 18063fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// invocation of an overloaded operator with operator syntax. Within 18073fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// a C++ template, whether BinaryOperator or CXXOperatorCallExpr is 18083fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to store an expression "x + y" depends on the subexpressions 18093fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// for x and y. If neither x or y is type-dependent, and the "+" 18103fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// operator resolves to a built-in operation, BinaryOperator will be 18113fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// used to express the computation (x and y may still be 18123fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// value-dependent). If either x or y is type-dependent, or if the 18133fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// "+" resolves to an overloaded operator, CXXOperatorCallExpr will 18143fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// be used to express the computation. 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 181903d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 1820224605064a4ef87d1c3d35ad1cb363f8b534012bSebastian Redl PtrMemD, PtrMemI, // [C++ 5.5] Pointer-to-member operators. 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 18255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 18265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 18275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 18285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 18295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 18305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 18315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 18325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 18335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 18345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 18355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 18365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 18375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 18385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 183917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 184017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 18415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 184217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 184317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 18441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 18451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 184617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 184717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 1848898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(BinaryOperatorClass, ResTy, 1849898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor lhs->isTypeDependent() || rhs->isTypeDependent(), 18501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump lhs->isValueDependent() || rhs->isValueDependent()), 1851898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Opc(opc), OpLoc(opLoc) { 18521237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 18531237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 18541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!isCompoundAssignmentOp() && 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1858db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor /// \brief Construct an empty binary operator. 18591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit BinaryOperator(EmptyShell Empty) 1860db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor : Expr(BinaryOperatorClass, Empty), Opc(Comma) { } 1861db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 186217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 1863db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOperatorLoc(SourceLocation L) { OpLoc = L; } 1864db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 1866db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setOpcode(Opcode O) { Opc = O; } 1867db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18685549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 1869db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 18705549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 1871db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 1872db600c330a37b1c3ab4533310729910ee188f900Douglas Gregor 18735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1881063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the binary opcode that corresponds to the given 1882063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// overloaded operator. 1883063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static Opcode getOverloadedOpcode(OverloadedOperatorKind OO); 1884063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 1885063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief Retrieve the overloaded operator kind that corresponds to 1886063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// the given binary opcode. 1887063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static OverloadedOperatorKind getOverloadedOperator(Opcode Opc); 1888063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 18905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 189240a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek static bool isShiftOp(Opcode Opc) { return Opc == Shl || Opc == Shr; } 189340a5ef90ac8d3f29bc8fe4ff80e00eaf3ef5b79fTed Kremenek bool isShiftOp() const { return isShiftOp(Opc); } 1894aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1895aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isBitwiseOp(Opcode Opc) { return Opc >= And && Opc <= Or; } 1896aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isBitwiseOp() const { return isBitwiseOp(Opc); } 1897f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1898f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 1899f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 1900f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 1902f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 19031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1904aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl static bool isComparisonOp(Opcode Opc) { return Opc >= LT && Opc <= NE; } 1905aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl bool isComparisonOp() const { return isComparisonOp(Opc); } 1906aee3c9375f97a49edef2a36f15df6abd9748e2a1Sebastian Redl 1907f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 1908f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 1909f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 19105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 19125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 1915eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S->getStmtClass() == CompoundAssignOperatorClass; 19175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 19191237c673c07f9d827129ba02720108816abde562Ted Kremenek 19201237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 19211237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 19221237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 19231237c673c07f9d827129ba02720108816abde562Ted Kremenek 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 192517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 19262333f7727f97018d6742e1e0938133bcfad967abEli Friedman SourceLocation opLoc, bool dead) 19272333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(CompoundAssignOperatorClass, ResTy, 19282333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isTypeDependent() || rhs->isTypeDependent(), 19292333f7727f97018d6742e1e0938133bcfad967abEli Friedman lhs->isValueDependent() || rhs->isValueDependent()), 19302333f7727f97018d6742e1e0938133bcfad967abEli Friedman Opc(opc), OpLoc(opLoc) { 19311237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 19321237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1934ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator(StmtClass SC, EmptyShell Empty) 1936ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(SC, Empty), Opc(MulAssign) { } 19375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 19445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 1946ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationLHSType; 1947ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ComputationResultType; 19485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 1950ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType ResType, QualType CompLHSType, 1951ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType CompResultType, 195217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 195317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 1954ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationLHSType(CompLHSType), 1955ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman ComputationResultType(CompResultType) { 19561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isCompoundAssignmentOp() && 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 19585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1960ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty compound assignment operator expression. 1961ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit CompoundAssignOperator(EmptyShell Empty) 1962ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : BinaryOperator(CompoundAssignOperatorClass, Empty) { } 1963ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1964ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // The two computation types are the type the LHS is converted 1965ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // to for the computation and the type of the result; the two are 1966ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman // distinct in a few cases (specifically, int+=ptr and ptr-=ptr). 1967ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationLHSType() const { return ComputationLHSType; } 1968ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationLHSType(QualType T) { ComputationLHSType = T; } 1969ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 1970ab3a852ae713189444dcbf75e70accf1e8c2b7f2Eli Friedman QualType getComputationResultType() const { return ComputationResultType; } 1971ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setComputationResultType(QualType T) { ComputationResultType = T; } 1972ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 19741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *S) { 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return S->getStmtClass() == CompoundAssignOperatorClass; 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 19815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 19831237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 19845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 198547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation QuestionLoc, ColonLoc; 19865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 198747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ConditionalOperator(Expr *cond, SourceLocation QLoc, Expr *lhs, 198847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation CLoc, Expr *rhs, QualType t) 1989898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Expr(ConditionalOperatorClass, t, 1990898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // FIXME: the type of the conditional operator doesn't 1991898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // depend on the type of the conditional, but the standard 1992898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // seems to imply that it could. File a bug! 1993898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ((lhs && lhs->isTypeDependent()) || (rhs && rhs->isTypeDependent())), 19941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (cond->isValueDependent() || 1995898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor (lhs && lhs->isValueDependent()) || 199647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor (rhs && rhs->isValueDependent()))), 199747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor QuestionLoc(QLoc), 199847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor ColonLoc(CLoc) { 19991237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 20001237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 20011237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 20021237c673c07f9d827129ba02720108816abde562Ted Kremenek } 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2004ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor /// \brief Build an empty conditional operator. 2005ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor explicit ConditionalOperator(EmptyShell Empty) 2006ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor : Expr(ConditionalOperatorClass, Empty) { } 2007ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 2008395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 2009395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 20105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 2011ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 2012395a2abf0028968d85958610e393e067885dc14fTed Kremenek 2013395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2014395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 2015395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 2016395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 2017395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // is only evaluated once. 2019395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 20205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 2021395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2023395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 2024395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 20255549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 20261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20275549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 2028ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 2029ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor 20305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 2031ad90e96fb7eed26d5217dd06ba50ecbbbebb59e6Douglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 20325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 203347e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getQuestionLoc() const { return QuestionLoc; } 203447e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setQuestionLoc(SourceLocation L) { QuestionLoc = L; } 203547e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 203647e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 203747e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 203847e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 20405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 20415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ConditionalOperatorClass; 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 20461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20471237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 20481237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 20491237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20526481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 20536481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 20545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 20555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 20565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20576481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 20586481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 20592333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(AddrLabelExprClass, t, false, false), 20602333f7727f97018d6742e1e0938133bcfad967abEli Friedman AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 20611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20627d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty address of a label expression. 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit AddrLabelExpr(EmptyShell Empty) 20647d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Expr(AddrLabelExprClass, Empty) { } 20657d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20667d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getAmpAmpLoc() const { return AmpAmpLoc; } 20677d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setAmpAmpLoc(SourceLocation L) { AmpAmpLoc = L; } 20687d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 20697d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 20707d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 20767d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setLabel(LabelStmt *S) { Label = S; } 20777d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 20785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == AddrLabelExprClass; 20805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20816481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 20821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20831237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 20841237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 20851237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 20865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2087ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2088ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 2089ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 2090ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 2091ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 20925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 2093ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 2094ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 20952333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Does type-dependence need to be computed differently? 2096d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 2097d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 20982333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(StmtExprClass, T, T->isDependentType(), false), 20992333f7727f97018d6742e1e0938133bcfad967abEli Friedman SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21016a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor /// \brief Build an empty statement expression. 21026a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor explicit StmtExpr(EmptyShell Empty) : Expr(StmtExprClass, Empty) { } 21036a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 21045549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 21055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 21066a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setSubStmt(CompoundStmt *S) { SubStmt = S; } 21076a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor 2108ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 2109ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 2110ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 21111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2112026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 21136a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2114026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 21156a2dd55b0b3ae376d449a4b07bbb6b2d30b26330Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2117ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 21181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == StmtExprClass; 2119ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 2120ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 21211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21221237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21231237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21241237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2125ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 2126ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 2127dc241b42c7588f99027b035a09b71557a6db219eDouglas Gregor/// TypesCompatibleExpr - GNU builtin-in function __builtin_types_compatible_p. 2128d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 2129d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 2130d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 2131d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 2132d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 2133d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 2134363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2135d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 21361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 21371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType t1, QualType t2, SourceLocation RP) : 21382333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(TypesCompatibleExprClass, ReturnType, false, false), 21392333f7727f97018d6742e1e0938133bcfad967abEli Friedman Type1(t1), Type2(t2), BuiltinLoc(BLoc), RParenLoc(RP) {} 2140d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 214144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_type_compatible_p expression. 214244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit TypesCompatibleExpr(EmptyShell Empty) 214344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor : Expr(TypesCompatibleExprClass, Empty) { } 214444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 21457f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 214644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType1(QualType T) { Type1 = T; } 21477f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 214844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setArgType2(QualType T) { Type2 = T; } 21491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 215044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 215144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 215344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 215444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 21551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2156d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 2157363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2158d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2159d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == TypesCompatibleExprClass; 2161d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 2162d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21641237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 21651237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 21661237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2167d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 2168d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 2169d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 2170d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 2171d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 2172d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 2173d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 2174d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 2175d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 2176d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 2177d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2178d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 2179d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 2180d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 2181d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 21825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 2183d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 2184d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2185888376a2bbcfc2f047902249f8455918e2489ae1Nate Begemanprotected: 21861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 2187888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman 2188d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 21892333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Can a shufflevector be value-dependent? Does type-dependence need 21902333f7727f97018d6742e1e0938133bcfad967abEli Friedman // to be computed differently? 2191a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman ShuffleVectorExpr(ASTContext &C, Expr **args, unsigned nexpr, 21921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Type, SourceLocation BLoc, 21931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation RP) : 21942333f7727f97018d6742e1e0938133bcfad967abEli Friedman Expr(ShuffleVectorExprClass, Type, Type->isDependentType(), false), 21952333f7727f97018d6742e1e0938133bcfad967abEli Friedman BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(nexpr) { 21961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2197a88dc3079bedf70a5cfc39791727e43a10383006Nate Begeman SubExprs = new (C) Stmt*[nexpr]; 2198d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 2199d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 2200d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 220194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 220294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor /// \brief Build an empty vector-shuffle expression. 22031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ShuffleVectorExpr(EmptyShell Empty) 220494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(ShuffleVectorExprClass, Empty), SubExprs(0) { } 220594cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 220694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 220794cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 220994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 221094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 221194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2212d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 2213d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 2214d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2215d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ShuffleVectorExprClass; 2217d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2218d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2220888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman ~ShuffleVectorExpr() {} 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2222d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 2223d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 2224d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 2225d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2227d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 2228d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 2229d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2231d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 2232d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 2233d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 22345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 2235d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2237888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman void setExprs(ASTContext &C, Expr ** Exprs, unsigned NumExprs); 223894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 2239dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 2240dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 22419a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman return getExpr(N+2)->EvaluateAsInt(Ctx).getZExtValue(); 2242d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2244d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 2245d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 2246d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 2247d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 2248d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 2249d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 22501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This AST node is similar to the conditional operator (?:) in C, with 2251d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 22527976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the test expression must be a integer constant expression. 22537976932a1c256d447316ffac58e9821417725e34Eli Friedman/// - the expression returned acts like the chosen subexpression in every 22547976932a1c256d447316ffac58e9821417725e34Eli Friedman/// visible way: the type is the same as that of the chosen subexpression, 22557976932a1c256d447316ffac58e9821417725e34Eli Friedman/// and all predicates (whether it's an l-value, whether it's an integer 22567976932a1c256d447316ffac58e9821417725e34Eli Friedman/// constant expression, etc.) return the same result as for the chosen 22577976932a1c256d447316ffac58e9821417725e34Eli Friedman/// sub-expression. 2258d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 22591237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 22605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 2261d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 2262d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 2263d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 2264ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor SourceLocation RP, bool TypeDependent, bool ValueDependent) 2265ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor : Expr(ChooseExprClass, t, TypeDependent, ValueDependent), 22661237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 22671237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 22681237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 22691237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 22717976932a1c256d447316ffac58e9821417725e34Eli Friedman 227244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty __builtin_choose_expr. 227344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit ChooseExpr(EmptyShell Empty) : Expr(ChooseExprClass, Empty) { } 227444cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 22757976932a1c256d447316ffac58e9821417725e34Eli Friedman /// isConditionTrue - Return whether the condition is true (i.e. not 22767976932a1c256d447316ffac58e9821417725e34Eli Friedman /// equal to zero). 227727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 22787976932a1c256d447316ffac58e9821417725e34Eli Friedman 22797976932a1c256d447316ffac58e9821417725e34Eli Friedman /// getChosenSubExpr - Return the subexpression chosen according to the 22807976932a1c256d447316ffac58e9821417725e34Eli Friedman /// condition. 22817976932a1c256d447316ffac58e9821417725e34Eli Friedman Expr *getChosenSubExpr(ASTContext &C) const { 22827976932a1c256d447316ffac58e9821417725e34Eli Friedman return isConditionTrue(C) ? getLHS() : getRHS(); 22837976932a1c256d447316ffac58e9821417725e34Eli Friedman } 22847976932a1c256d447316ffac58e9821417725e34Eli Friedman 22855549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 228644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = E; } 22875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 228844cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setLHS(Expr *E) { SubExprs[LHS] = E; } 22895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 229044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRHS(Expr *E) { SubExprs[RHS] = E; } 229144cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 229244cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 229344cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 229544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 229644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 22971237c673c07f9d827129ba02720108816abde562Ted Kremenek 2298d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 2299d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 2300d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2301d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 23021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ChooseExprClass; 2303d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 2304d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 23051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23061237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 23071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 23081237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 2309d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 2310d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 23112d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// GNUNullExpr - Implements the GNU __null extension, which is a name 23122d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// for a null pointer constant that has integral type (e.g., int or 23132d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// long) and is the same size and alignment as a pointer. The __null 23142d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// extension is typically only used by system headers, which define 23152d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// NULL as __null in C++ rather than using 0 (which is an integer 23162d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor/// that may not match the size of a pointer). 23172d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorclass GNUNullExpr : public Expr { 23182d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// TokenLoc - The location of the __null keyword. 23192d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation TokenLoc; 23202d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23212d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregorpublic: 23221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GNUNullExpr(QualType Ty, SourceLocation Loc) 23232333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(GNUNullExprClass, Ty, false, false), TokenLoc(Loc) { } 23242d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 232544cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor /// \brief Build an empty GNU __null expression. 232644cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor explicit GNUNullExpr(EmptyShell Empty) : Expr(GNUNullExprClass, Empty) { } 232744cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor 23282d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor /// getTokenLocation - The location of the __null token. 23292d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor SourceLocation getTokenLocation() const { return TokenLoc; } 233044cae0c8669cdf83618cbe7fd36ea7a8e51cf97fDouglas Gregor void setTokenLocation(SourceLocation L) { TokenLoc = L; } 23312d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23322d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual SourceRange getSourceRange() const { 23332d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor return SourceRange(TokenLoc); 23342d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23352d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const Stmt *T) { 23361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GNUNullExprClass; 23372d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } 23382d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor static bool classof(const GNUNullExpr *) { return true; } 23391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23402d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // Iterators 23412d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_begin(); 23422d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor virtual child_iterator child_end(); 23432d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor}; 23442d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 23457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 23467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 23475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 23487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 23497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 23507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 23512333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(VAArgExprClass, t, t->isDependentType(), false), 23527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 23537c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 23547c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2356d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Create an empty __builtin_va_start expression. 2357d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit VAArgExpr(EmptyShell Empty) : Expr(VAArgExprClass, Empty) { } 2358d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 23605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 2361d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setSubExpr(Expr *E) { Val = E; } 2362d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2363d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getBuiltinLoc() const { return BuiltinLoc; } 2364d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBuiltinLoc(SourceLocation L) { BuiltinLoc = L; } 23651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2366d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2367d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2368d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 23697c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 23707c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 23711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 23727c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 23737c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 23747c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 23757c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23777c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 23787c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 23791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 23807c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23824c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @brief Describes an C or C++ initializer list. 23834c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 23844c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// InitListExpr describes an initializer list, which can be used to 23854c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initialize objects of different types, including 23864c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct/class/union types, arrays, and vectors. For example: 23874c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// 23884c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @code 23894c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// struct foo x = { 1, { 2, 3 } }; 23904c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// @endcode 2391196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 23924c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Prior to semantic analysis, an initializer list will represent the 23934c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer list as written by the user, but will have the 23944c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// placeholder type "void". This initializer list is called the 23954c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// syntactic form of the initializer, and may contain C99 designated 23964c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializers (represented as DesignatedInitExprs), initializations 23974c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// of subobject members without explicit braces, and so on. Clients 23984c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// interested in the original syntax of the initializer list should 23994c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// use the syntactic form of the initializer list. 2400196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24014c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// After semantic analysis, the initializer list will represent the 24024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// semantic form of the initializer, where the initializations of all 24034c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// subobjects are made explicit with nested InitListExpr nodes and 24044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// C99 designators have been eliminated by placing the designated 24054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializations into the subobject they initialize. Additionally, 24064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// any "holes" in the initialization, where no initializer has been 24074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// specified for a particular subobject, will be replaced with 24083498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// implicitly-generated ImplicitValueInitExpr expressions that 24094c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// value-initialize the subobjects. Note, however, that the 24104c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// initializer lists may still have fewer initializers than there are 24114c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// elements to initialize within the object. 2412196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 24134c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// Given the semantic form of the initializer list, one can retrieve 24144c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// the original syntactic form of that initializer list (if it 24154c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// exists) using getSyntacticForm(). Since many initializer lists 24164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// have the same syntactic and semantic forms, getSyntacticForm() may 24174c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// return NULL, indicating that the current initializer list also 24184c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor/// serves as its syntactic form. 241966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 242041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor // FIXME: Eliminate this vector in favor of ASTContext allocation 24215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek std::vector<Stmt *> InitExprs; 242266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 24231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24244c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// Contains the initializer list that describes the syntactic form 24254c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// written in the source code. 24264c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *SyntacticForm; 24274c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 24280bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// If this initializer list initializes a union, specifies which 24290bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// field within the union will be initialized. 24300bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *UnionFieldInit; 24310bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2432a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// Whether this initializer list originally had a GNU array-range 2433a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor /// designator in it. This is a temporary marker used by CodeGen. 2434a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool HadArrayRangeDesignator; 2435a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 243666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 243766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 24384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation rbraceloc); 2439d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2440d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Build an empty initializer list. 2441d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit InitListExpr(EmptyShell Empty) : Expr(InitListExprClass, Empty) { } 24421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2443c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 24441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getInit(unsigned Init) const { 2446c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 244866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getInit(unsigned Init) { 2451c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24524c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return cast_or_null<Expr>(InitExprs[Init]); 245366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 24541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setInit(unsigned Init, Expr *expr) { 2456c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 24579e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 24589e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 2459c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 2460fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor /// \brief Reserve space for some number of initializers. 2461fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor void reserveInits(unsigned NumInits); 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24634c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Specify the number of initializers 24644c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 24654c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// If there are more than @p NumInits initializers, the remaining 24664c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializers will be destroyed. If there are fewer than @p 24674c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// NumInits initializers, NULL expressions will be added for the 24684c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// unknown initializers. 24694c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void resizeInits(ASTContext &Context, unsigned NumInits); 24704c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 24714c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Updates the initializer at index @p Init with the new 24724c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// expression @p expr, and returns the old expression at that 24734c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// location. 24744c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 24754c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// When @p Init is out of range for this initializer list, the 24764c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// initializer list will be extended with NULL expressions to 24774c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// accomodate the new entry. 24784c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor Expr *updateInit(unsigned Init, Expr *expr); 2479c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 24800bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// \brief If this initializes a union, specifies which field in the 24810bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union to initialize. 24820bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// 24830bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// Typically, this field is the first named field within the 24840bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// union. However, a designated initializer can specify the 24850bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor /// initialization of a different field within the union. 24860bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor FieldDecl *getInitializedFieldInUnion() { return UnionFieldInit; } 24870bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor void setInitializedFieldInUnion(FieldDecl *FD) { UnionFieldInit = FD; } 24880bb76897bedb8b747efc6523efb432fc24966118Douglas Gregor 2489c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 2490c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 2491b3eef68111ffc220e449be96da1747998c057790Douglas Gregor bool isExplicit() { 2492b3eef68111ffc220e449be96da1747998c057790Douglas Gregor return LBraceLoc.isValid() && RBraceLoc.isValid(); 2493b3eef68111ffc220e449be96da1747998c057790Douglas Gregor } 24941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2495d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getLBraceLoc() const { return LBraceLoc; } 2496d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } 2497d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor SourceLocation getRBraceLoc() const { return RBraceLoc; } 249887fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor void setRBraceLoc(SourceLocation Loc) { RBraceLoc = Loc; } 249987fd703e097c27d63479cb83b687d4000a22bbb1Douglas Gregor 25004c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// @brief Retrieve the initializer list that describes the 25014c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// syntactic form of the initializer. 25024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor /// 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 25044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor InitListExpr *getSyntacticForm() const { return SyntacticForm; } 25054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor void setSyntacticForm(InitListExpr *Init) { SyntacticForm = Init; } 25064c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2507a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor bool hadArrayRangeDesignator() const { return HadArrayRangeDesignator; } 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void sawArrayRangeDesignator(bool ARD = true) { 2509d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor HadArrayRangeDesignator = ARD; 2510a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor } 2511a9c878086036de36482cc21e35a33cabe9699b0aDouglas Gregor 251266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 251366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 25141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 251566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == InitListExprClass; 251766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 251866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 25191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 252066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 252166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 252266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 25231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25247fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::iterator iterator; 25257fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::reverse_iterator reverse_iterator; 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25277fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator begin() { return InitExprs.begin(); } 25287fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator end() { return InitExprs.end(); } 25297fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 25307fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rend() { return InitExprs.rend(); } 253166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 253266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 253305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @brief Represents a C99 designated initializer expression. 253405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 253505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// A designated initializer expression (C99 6.7.8) contains one or 253605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// more designators (which can be field designators, array 253705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, or GNU array-range designators) followed by an 253805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// expression that initializes the field or element(s) that the 253905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators refer to. For example, given: 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 254105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @code 254205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point { 254305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double x; 254405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// double y; 254505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// }; 254605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// struct point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; 254705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// @endcode 254805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// 254905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// The InitListExpr contains three DesignatedInitExprs, the first of 255005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// which covers @c [2].y=1.0. This DesignatedInitExpr will have two 255105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designators, one array designator for @c [2] followed by one field 255205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor/// designator for @c .y. The initalization expression will be 1.0. 255305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorclass DesignatedInitExpr : public Expr { 2554ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorpublic: 2555ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Forward declaration of the Designator class. 2556ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor class Designator; 2557ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2558ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregorprivate: 255905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '=' or ':' prior to the actual initializer 256005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expression. 256105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc; 256205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2563eeae8f072748affce25ab4064982626361293390Douglas Gregor /// Whether this designated initializer used the GNU deprecated 256405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// syntax rather than the C99 '=' syntax. 2565eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax : 1; 256605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 256705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of designators in this initializer expression. 256805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators : 15; 256905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2570ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief The designators in this designated initialization 2571ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// expression. 2572ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator *Designators; 2573ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 257405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The number of subexpressions of this initializer expression, 257505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// which contains both the initializer and any additional 257605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// expressions used by array and array-range designators. 257705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumSubExprs : 16; 257805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2579ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 2580319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor DesignatedInitExpr(ASTContext &C, QualType Ty, unsigned NumDesignators, 2581ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 2582eeae8f072748affce25ab4064982626361293390Douglas Gregor SourceLocation EqualOrColonLoc, bool GNUSyntax, 25839ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 25849ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init); 258505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2586d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit DesignatedInitExpr(unsigned NumSubExprs) 2587d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(DesignatedInitExprClass, EmptyShell()), 2588d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators(0), Designators(0), NumSubExprs(NumSubExprs) { } 2589d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 259042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregorprotected: 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void DoDestroy(ASTContext &C); 259242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor 2593319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void DestroyDesignators(ASTContext &C); 2594319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor 259505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregorpublic: 259605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 259705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator { 259805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Refers to the field that is being initialized. The low bit 259905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// of this field determines whether this is actually a pointer 260005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// to an IdentifierInfo (if 1) or a FieldDecl (if 0). When 260105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initially constructed, a field designator will store an 260205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// IdentifierInfo*. After semantic analysis has resolved that 260305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// name, the field designator will instead store a FieldDecl*. 260405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor uintptr_t NameOrField; 26051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 260605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '.' in the designated initializer. 260705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned DotLoc; 26081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 260905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the field name in the designated initializer. 261005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned FieldLoc; 261105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 261205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 261305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 261405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator { 261505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// Location of the first index expression within the designated 261605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer expression's list of subexpressions. 261705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned Index; 261805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the '[' starting the array range designator. 261905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned LBracketLoc; 262005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ellipsis separating the start and end 262105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// indices. Only valid for GNU array-range designators. 262205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned EllipsisLoc; 262305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// The location of the ']' terminating the array range designator. 26241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned RBracketLoc; 262505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 262605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 262705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Represents a single C99 designator. 262805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// 262905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @todo This class is infuriatingly similar to clang::Designator, 263005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// but minor differences (storing indices vs. storing pointers) 263105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// keep us from reusing it. Try harder, later, to rectify these 263205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// differences. 263305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor class Designator { 263405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief The kind of designator this describes. 263505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor enum { 263605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDesignator, 263705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayDesignator, 263805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayRangeDesignator 263905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } Kind; 264005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 264105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor union { 264205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// A field designator, e.g., ".x". 264305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct FieldDesignator Field; 264405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// An array or GNU array-range designator, e.g., "[9]" or "[10..15]". 264505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor struct ArrayOrRangeDesignator ArrayOrRange; 264605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 264705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor friend class DesignatedInitExpr; 264805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 264905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor public: 2650ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designator() {} 2651ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 265205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a field designator. 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(const IdentifierInfo *FieldName, SourceLocation DotLoc, 26541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation FieldLoc) 265505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(FieldDesignator) { 265605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FieldName) | 0x01; 265705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.DotLoc = DotLoc.getRawEncoding(); 265805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.FieldLoc = FieldLoc.getRawEncoding(); 265905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 266005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 266105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes an array designator. 26621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 266305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation RBracketLoc) 266405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayDesignator) { 266505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 266605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 266705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = SourceLocation().getRawEncoding(); 266805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 266905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 267005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 267105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Initializes a GNU array-range designator. 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator(unsigned Index, SourceLocation LBracketLoc, 267305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EllipsisLoc, SourceLocation RBracketLoc) 267405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor : Kind(ArrayRangeDesignator) { 267505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.Index = Index; 267605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.LBracketLoc = LBracketLoc.getRawEncoding(); 267705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.EllipsisLoc = EllipsisLoc.getRawEncoding(); 267805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor ArrayOrRange.RBracketLoc = RBracketLoc.getRawEncoding(); 267905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 268005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 268105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isFieldDesignator() const { return Kind == FieldDesignator; } 268205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayDesignator() const { return Kind == ArrayDesignator; } 268305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool isArrayRangeDesignator() const { return Kind == ArrayRangeDesignator; } 268405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 268505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor IdentifierInfo * getFieldName(); 268605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 268705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor FieldDecl *getField() { 268805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 268905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 269005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return 0; 269105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 269205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<FieldDecl *>(Field.NameOrField); 269305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 269405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 269505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setField(FieldDecl *FD) { 269605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 269705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Field.NameOrField = reinterpret_cast<uintptr_t>(FD); 269805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 269905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 270087f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor SourceLocation getDotLoc() const { 270187f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 270287f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor return SourceLocation::getFromRawEncoding(Field.DotLoc); 270387f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor } 270487f55cf59e82f246d8605733e9300d0c5f6830a6Douglas Gregor 270505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getFieldLoc() const { 270605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 270705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(Field.FieldLoc); 270805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 270905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getLBracketLoc() const { 271105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 271205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 271305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.LBracketLoc); 271405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 271505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 271605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getRBracketLoc() const { 271705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 271805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array or array-range designator"); 271905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.RBracketLoc); 272005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 272105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 272205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEllipsisLoc() const { 272305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == ArrayRangeDesignator && 272405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Only valid on an array-range designator"); 272505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return SourceLocation::getFromRawEncoding(ArrayOrRange.EllipsisLoc); 272605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 27274c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 2728d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getFirstExprIndex() const { 2729d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert((Kind == ArrayDesignator || Kind == ArrayRangeDesignator) && 2730d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor "Only valid on an array or array-range designator"); 2731d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return ArrayOrRange.Index; 2732d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2733d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 27344c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor SourceLocation getStartLocation() const { 27354c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor if (Kind == FieldDesignator) 27364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc(); 27374c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor else 27384c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return getLBracketLoc(); 27394c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 274005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor }; 274105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 27421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static DesignatedInitExpr *Create(ASTContext &C, Designator *Designators, 274305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 274405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr **IndexExprs, unsigned NumIndexExprs, 274505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation EqualOrColonLoc, 2746eeae8f072748affce25ab4064982626361293390Douglas Gregor bool GNUSyntax, Expr *Init); 274705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2748d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor static DesignatedInitExpr *CreateEmpty(ASTContext &C, unsigned NumIndexExprs); 2749d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 275005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Returns the number of designators in this initializer. 275105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned size() const { return NumDesignators; } 275205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 275305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterator access to the designators. 275405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor typedef Designator* designators_iterator; 2755ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor designators_iterator designators_begin() { return Designators; } 27561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump designators_iterator designators_end() { 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Designators + NumDesignators; 2758ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 275905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2760711997184366d584c9c437102cae1e9d9927b986Douglas Gregor Designator *getDesignator(unsigned Idx) { return &designators_begin()[Idx]; } 2761711997184366d584c9c437102cae1e9d9927b986Douglas Gregor 2762319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void setDesignators(ASTContext &C, const Designator *Desigs, 2763319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesigs); 2764d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 276505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayIndex(const Designator& D); 276605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeStart(const Designator& D); 276705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor Expr *getArrayRangeEnd(const Designator& D); 276805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 276905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the location of the '=' that precedes the 277005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// initializer value itself, if present. 277105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation getEqualOrColonLoc() const { return EqualOrColonLoc; } 2772d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setEqualOrColonLoc(SourceLocation L) { EqualOrColonLoc = L; } 277305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 277405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Determines whether this designated initializer used the 2775eeae8f072748affce25ab4064982626361293390Douglas Gregor /// deprecated GNU syntax for designated initializers. 2776eeae8f072748affce25ab4064982626361293390Douglas Gregor bool usesGNUSyntax() const { return GNUSyntax; } 2777d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setGNUSyntax(bool GNU) { GNUSyntax = GNU; } 277805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 277905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor /// @brief Retrieve the initializer value. 27801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getInit() const { 278105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*const_cast<DesignatedInitExpr*>(this)->child_begin()); 278205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 278305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 278405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor void setInit(Expr *init) { 278505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor *child_begin() = init; 278605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 278705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 2788d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Retrieve the total number of subexpressions in this 2789d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// designated initializer expression, including the actual 2790d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// initialized value and any expressions that occur within array 2791d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// and array-range designators. 2792d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned getNumSubExprs() const { return NumSubExprs; } 2793d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2794d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Expr *getSubExpr(unsigned Idx) { 2795d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2796d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2797d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2798d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx]; 2799d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2800d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2801d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void setSubExpr(unsigned Idx, Expr *E) { 2802d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor assert(Idx < NumSubExprs && "Subscript out of range"); 2803d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor char* Ptr = static_cast<char*>(static_cast<void *>(this)); 2804d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Ptr += sizeof(DesignatedInitExpr); 2805d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor reinterpret_cast<Expr**>(reinterpret_cast<void**>(Ptr))[Idx] = E; 2806d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor } 2807d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 2808ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// \brief Replaces the designator at index @p Idx with the series 2809ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor /// of designators in [First, Last). 2810319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor void ExpandDesignator(ASTContext &C, unsigned Idx, const Designator *First, 2811ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last); 2812ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 281305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual SourceRange getSourceRange() const; 281405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 281505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const Stmt *T) { 28161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DesignatedInitExprClass; 281705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } 281805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor static bool classof(const DesignatedInitExpr *) { return true; } 281905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 282005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor // Iterators 282105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor virtual child_iterator child_begin(); 28221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 28233498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor}; 28243498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28253498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// \brief Represents an implicitly-generated value initialization of 28263498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// an object of a given type. 28273498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// 28281a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// Implicit value initializations occur within semantic initializer 28291a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// list expressions (InitListExpr) as placeholders for subobject 28303498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor/// initializations not explicitly specified by the user. 28311a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// 28321a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor/// \see InitListExpr 28331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ImplicitValueInitExpr : public Expr { 28343498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregorpublic: 28351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit ImplicitValueInitExpr(QualType ty) 28362333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ImplicitValueInitExprClass, ty, false, false) { } 28373498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 2838d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor /// \brief Construct an empty implicit value initialization. 2839d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor explicit ImplicitValueInitExpr(EmptyShell Empty) 2840d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor : Expr(ImplicitValueInitExprClass, Empty) { } 2841d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 28421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28433498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return T->getStmtClass() == ImplicitValueInitExprClass; 28443498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28453498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor static bool classof(const ImplicitValueInitExpr *) { return true; } 28463498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28473498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual SourceRange getSourceRange() const { 28483498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return SourceRange(); 28493498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor } 28503498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor 28513498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor // Iterators 28523498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor virtual child_iterator child_begin(); 28531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual child_iterator child_end(); 285405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor}; 285505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 28562ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28572ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanclass ParenListExpr : public Expr { 28582ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Stmt **Exprs; 28592ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned NumExprs; 28602ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation LParenLoc, RParenLoc; 28612ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpprotected: 28632ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual void DoDestroy(ASTContext& C); 28641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28652ef13e5abef0570a9f567b4671367275c05d4d34Nate Begemanpublic: 28661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenListExpr(ASTContext& C, SourceLocation lparenloc, Expr **exprs, 28672ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned numexprs, SourceLocation rparenloc); 28682ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28692ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman ~ParenListExpr() {} 28702ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28712ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman /// \brief Build an empty paren list. 28722ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman //explicit ParenListExpr(EmptyShell Empty) : Expr(ParenListExprClass, Empty) { } 28731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28742ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman unsigned getNumExprs() const { return NumExprs; } 28751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr* getExpr(unsigned Init) const { 28772ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 28782ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 28792ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 28801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr* getExpr(unsigned Init) { 28822ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman assert(Init < getNumExprs() && "Initializer access out of range!"); 28832ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return cast_or_null<Expr>(Exprs[Init]); 28842ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 28852ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 288683ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor Expr **getExprs() { return reinterpret_cast<Expr **>(Exprs); } 28871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28882ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getLParenLoc() const { return LParenLoc; } 28892ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman SourceLocation getRParenLoc() const { return RParenLoc; } 28902ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 28912ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual SourceRange getSourceRange() const { 28922ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman return SourceRange(LParenLoc, RParenLoc); 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 28942ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const Stmt *T) { 28951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ParenListExprClass; 28962ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman } 28972ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman static bool classof(const ParenListExpr *) { return true; } 28981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28992ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman // Iterators 29002ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_begin(); 29012ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman virtual child_iterator child_end(); 29022ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman}; 29032ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29054eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29064eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 29074eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 29084eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 2909a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 2910a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 2911a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 2912a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 2913a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 291473525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// Note that the base may have either vector or pointer to vector type, just 291573525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// like a struct field reference. 291673525de7fd9bdd534382dc89a24f1f76db3e04b9Chris Lattner/// 2917a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 2918a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 2919d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo *Accessor; 2920a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 2921a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 2922a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 2923a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 29242333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(ExtVectorElementExprClass, ty, base->isTypeDependent(), 29252333f7727f97018d6742e1e0938133bcfad967abEli Friedman base->isValueDependent()), 2926d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor Base(base), Accessor(&accessor), AccessorLoc(loc) {} 29271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2928d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor /// \brief Build an empty vector element expression. 2929d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor explicit ExtVectorElementExpr(EmptyShell Empty) 2930d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor : Expr(ExtVectorElementExprClass, Empty) { } 2931d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2932a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 2933a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 2934d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setBase(Expr *E) { Base = E; } 2935d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2936d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor IdentifierInfo &getAccessor() const { return *Accessor; } 2937d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessor(IdentifierInfo *II) { Accessor = II; } 2938d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2939d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor SourceLocation getAccessorLoc() const { return AccessorLoc; } 2940d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor void setAccessorLoc(SourceLocation L) { AccessorLoc = L; } 2941d3c98a02c73417689deaaa6671ea6df7f2a8a73cDouglas Gregor 2942a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 2943a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2945a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 2946a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 2947a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 29481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2949a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 2950a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 2951a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 29521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2953a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 2954a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 2955a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29572140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// isArrow - Return true if the base expression is a pointer to vector, 29582140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner /// return false if the base expression is a vector. 29592140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner bool isArrow() const; 29601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 29621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ExtVectorElementExprClass; 2963a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 2964a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 29651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2966a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 2967a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 2968a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 2969a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 2970a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 2971a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 297256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 29739c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 29744eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 297556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 297656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 2977b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool HasBlockDeclRefExprs; 29784eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 2979b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump BlockExpr(BlockDecl *BD, QualType ty, bool hasBlockDeclRefExprs) 29802333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockExprClass, ty, ty->isDependentType(), false), 2981b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump TheBlock(BD), HasBlockDeclRefExprs(hasBlockDeclRefExprs) {} 29829c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 298384af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor /// \brief Build an empty block expression. 298484af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor explicit BlockExpr(EmptyShell Empty) : Expr(BlockExprClass, Empty) { } 298584af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 2986d5cab5435371b8cc74a9e05ebd40b5995ebad149Anders Carlsson const BlockDecl *getBlockDecl() const { return TheBlock; } 298756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 298884af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setBlockDecl(BlockDecl *BD) { TheBlock = BD; } 298984af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor 299056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 299156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 299256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 299356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 29949c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 29959c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 299656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 29979c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 29989c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 299956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 300056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 300156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 3002b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump /// hasBlockDeclRefExprs - Return true iff the block has BlockDeclRefExpr 30035b54b88c4082bb81b8b341b622fda9a85cbd5fadChris Lattner /// inside of the block that reference values outside the block. 3004b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump bool hasBlockDeclRefExprs() const { return HasBlockDeclRefExprs; } 300584af7c27cdc615ff917a501d61256b4049383c97Douglas Gregor void setHasBlockDeclRefExprs(bool BDRE) { HasBlockDeclRefExprs = BDRE; } 3006b83d287bc7f47d36fb0751a481e2ef9308b37252Mike Stump 30071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30089c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 30094eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30104eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 30111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30124eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30134eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30144eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30154eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30174eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 30184eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 30194eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 30201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ValueDecl *D; 30214eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 30227d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool IsByRef : 1; 30237d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool ConstQualAdded : 1; 30244eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 30252333f7727f97018d6742e1e0938133bcfad967abEli Friedman // FIXME: Fix type/value dependence! 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef, 30272333f7727f97018d6742e1e0938133bcfad967abEli Friedman bool constAdded = false) 30282333f7727f97018d6742e1e0938133bcfad967abEli Friedman : Expr(BlockDeclRefExprClass, t, false, false), D(d), Loc(l), IsByRef(ByRef), 30292333f7727f97018d6742e1e0938133bcfad967abEli Friedman ConstQualAdded(constAdded) {} 303094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 303194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // \brief Build an empty reference to a declared variable in a 303294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor // block. 303394cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor explicit BlockDeclRefExpr(EmptyShell Empty) 303494cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor : Expr(BlockDeclRefExprClass, Empty) { } 30351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30364eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 30374eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 303894cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setDecl(ValueDecl *VD) { D = VD; } 303994cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 304094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor SourceLocation getLocation() const { return Loc; } 304194cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setLocation(SourceLocation L) { Loc = L; } 304294cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 304694cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor void setByRef(bool BR) { IsByRef = BR; } 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30487d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian bool isConstQualAdded() const { return ConstQualAdded; } 30497d5c74ecbbd8719436c071f38657bc8e97ee4a24Fariborz Jahanian void setConstQualAdded(bool C) { ConstQualAdded = C; } 305094cd5d1397bb1a8bcd109602aa38dd787b164c22Douglas Gregor 30511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BlockDeclRefExprClass; 30534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 30544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 30551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 30574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 30584eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 30594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 30604eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 30615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 30625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3064