ExprCXX.h revision b277159055933e610bbc80262b600d3ad7e0595c
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ExprCXX.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 for C++ expressions. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_EXPRCXX_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_EXPRCXX_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl#include "clang/Basic/TypeTraits.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 19eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall#include "clang/AST/UnresolvedSet.h" 20d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall#include "clang/AST/TemplateBase.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXConstructorDecl; 25aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXDestructorDecl; 26aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXMethodDecl; 27aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXTemporary; 28aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass TemplateArgumentListInfo; 294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 301060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek// C++ Expressions. 321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 343fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A call to an overloaded operator written using operator 353fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax. 363fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 373fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// Represents a call to an overloaded operator written using operator 383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax, e.g., "x + y" or "*p". While semantically equivalent to a 393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// normal call, this AST node provides better information about the 403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntactic representation of the call. 413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In a C++ template, this expression node kind will be used whenever 433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// any of the arguments are type-dependent. In this case, the 443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function itself will be a (possibly empty) set of functions and 453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function templates that were found by name lookup at template 463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// definition time. 47b4609806e9232593ece09ce08b630836e825865cDouglas Gregorclass CXXOperatorCallExpr : public CallExpr { 48063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief The overloaded operator. 49063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind Operator; 50063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 51b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **args, unsigned numargs, QualType t, 54f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, SourceLocation operatorloc) 55cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, numargs, t, VK, 56f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 57063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor Operator(Op) {} 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 59ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 62b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 63b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 64063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 65ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis void setOperator(OverloadedOperatorKind Kind) { Operator = Kind; } 66b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 67b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 68b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 69b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 70b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 71b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 72b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 73b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 7463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 78b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 79b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 80b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 81b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 8288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 8388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 8488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 8588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 8688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 8788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 8888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 8988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 9088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 9188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 921817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, Expr *fn, Expr **args, unsigned numargs, 93f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 94cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, numargs, t, VK, RP) {} 9588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 961817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 971817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 981817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 9988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 10088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 10188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 102b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek Expr *getImplicitObjectArgument() const; 103b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek 104b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek /// Retrieves the declaration of the called method. 105b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek CXXMethodDecl *getMethodDecl() const; 10688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 107007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 108007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 109007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 110007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 111007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 112007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth CXXRecordDecl *getRecordDecl(); 113007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 11688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 11788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 11888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 11988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 120e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne/// CUDAKernelCallExpr - Represents a call to a CUDA kernel function. 121e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneclass CUDAKernelCallExpr : public CallExpr { 122e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneprivate: 123e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne enum { CONFIG, END_PREARG }; 124e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 125e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbournepublic: 126e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, Expr *fn, CallExpr *Config, 127e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne Expr **args, unsigned numargs, QualType t, 128e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne ExprValueKind VK, SourceLocation RP) 129e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, fn, END_PREARG, args, numargs, t, VK, 130e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne RP) { 131e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne setConfig(Config); 132e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 133e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 134e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, EmptyShell Empty) 135e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, END_PREARG, Empty) { } 136e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 137e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne const CallExpr *getConfig() const { 138e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return cast_or_null<CallExpr>(getPreArg(CONFIG)); 139e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 140e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CallExpr *getConfig() { return cast_or_null<CallExpr>(getPreArg(CONFIG)); } 141e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne void setConfig(CallExpr *E) { setPreArg(CONFIG, E); } 142e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 143e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const Stmt *T) { 144e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return T->getStmtClass() == CUDAKernelCallExprClass; 145e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 146e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const CUDAKernelCallExpr *) { return true; } 147e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne}; 148e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 14949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 15049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 15149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 15249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 15349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 15449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 15549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 15649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1571060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1591d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 1601d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 16149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 162f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 163f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1641d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1651d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1661d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1671d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 16849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 169f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 170f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 171ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1721d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 1731d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 1741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 17549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 17649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 177a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 178a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 179a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 180a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 1811d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 1821d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1831d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 18463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1851d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor return SourceRange(Loc, RParenLoc); 1861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 18849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 18949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 19049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 19149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 19249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 19349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 19449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 19549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 19649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 1971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 19849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXNamedCastExpr *) { return true; } 19949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 20049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 20149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXStaticCastExpr - A C++ @c static_cast expression (C++ [expr.static.cast]). 2021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 20449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 20549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 206f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 207f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 2081d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 209f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 2101d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 21149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 212f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 213f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 214f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 215f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 216f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 217f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 218f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 2191d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *Written, SourceLocation L, 2201d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 221f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 222f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 223ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 22549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 22649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 22749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXStaticCastExpr *) { return true; } 22849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 22949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 23049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 23249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 23449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 23549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 23649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 237f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 238f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2391d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 240f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2411d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 24249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 243f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 244f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 245f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 246f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 247f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 248f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 249f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 2501d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *Written, SourceLocation L, 2511d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 252f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 253f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 254f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 255ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 25849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 25949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXDynamicCastExpr *) { return true; } 26049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 26149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 26249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 26349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 26449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 26649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 26749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 26849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 269f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 270f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 2711d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 2721d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 273f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2741d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 27549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 276f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 277f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 278f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 279f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 280f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 281f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 282f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 2831d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 2841d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 285f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 286f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 287ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 29049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 29149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXReinterpretCastExpr *) { return true; } 29249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 29349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 29449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 29549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 29749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 29849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 29949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 300f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 3011d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 3021d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 303f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3041d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 30549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 306ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 307f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 308f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 309f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 310f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 311f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 3121d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 3131d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 314f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 315ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 31749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 31849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 31949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXConstCastExpr *) { return true; } 3201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 3241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 3251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 3261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 3271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 329bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 330bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 331f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 3328b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 333eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 334eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 335eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 337eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 341eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 342eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 343eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3451060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 3461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 3471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 35063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3521060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3536e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 3546e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 3556e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 3566e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 3576e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 358bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 359bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 360f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 3616e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 362eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 363eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 364eb7f96141f754150a92433286fa385910a22f494Sam Weinig 36563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3666e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 367eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 368eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 369eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 3716e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 3726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 3736e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 3746e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 37563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3766e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 3776e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 378c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 379c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 380c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 381c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 382c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 383c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 384c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 38557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 386c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 387c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 388c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 38957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 390f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 39157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 39257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 39357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 394bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 395bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 39657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 39757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 39857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 399f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4002850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 401bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4022850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 403bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 404bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 40557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 406c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 40714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 40814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 40914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 41014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 41114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 41214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 41314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 41414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 41557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 41657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 41757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 41857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 41957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 42057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 42157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 42257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 423c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 42457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 425c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 42614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 42714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 42814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 42914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 43014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 43157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 43214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 433c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 43457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 435c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 43614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 437030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 438030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 439030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 440030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 441030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 44263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 44314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 44414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 445c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 446c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 447c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 448c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 449c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 450c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 45163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 45263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 45363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 45463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 45563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 456c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 457c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 45801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 45901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 46001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 46101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 46201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 46301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 46401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 46501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 46601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 46701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 46801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 4692e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 470bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 471bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 47201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 47301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 47401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 4752e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 476bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 477bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 47801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 47901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 48101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 48201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 48301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 48401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 48501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 48601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 48701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 48901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 49101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 49201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 49301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 49501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 49601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 49701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 49801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 49901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 50001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 50101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 50201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 50301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 50401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 50501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 50601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 50701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 50801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 50901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 51001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 51101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 51201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 51301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 51401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 51563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 51601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 51701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 51801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 51901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 52001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 52101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 52201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 52301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 52463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 52563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 52663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 52763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 52863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 52901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 53001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 531796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 532796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 533796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 534796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 535796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 536796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 537796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 538796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 539796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 540796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 541796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 542796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 543796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 544828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 545828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 546796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 547828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 548f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 5492850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 5502850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 551bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 552bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 553828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 554796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5552fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 5562fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5572fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 5582fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 5592fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 56063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 561796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 562828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 563828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 564828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 566796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 567796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 568796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 569796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 570796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 57163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 572796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 573796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 5751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 5761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 5771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 5781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 5791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 5801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 5811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 5821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 5831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 5841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 5851060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l) : 586bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 587bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 588f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Op(expr), ThrowLoc(l) {} 5892fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 5902fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 5921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 59342e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setSubExpr(Expr *E) { Op = E; } 59442e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 59542e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 59642e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setThrowLoc(SourceLocation L) { ThrowLoc = L; } 5971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 59863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 6001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 6011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 6021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 6061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 6081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 61063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 61163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 61263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 6141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 6161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 6171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 6181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 6191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 62065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 62165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 62265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// When the bit is set, the subexpression is stored after the 62365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 62465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 62565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 627036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 628036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 629036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 630036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 63165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor : Expr(SC, 63265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 63365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 6342333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 635dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 636bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false), 637036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 63865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 639036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 640036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 641dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 642dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 643bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 644bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 64565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 64665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 64765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 649030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 650030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 651030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6521060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 6531060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 654036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 655036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 656036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 657f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 6581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 65965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 66065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 661036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, 662036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 663036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param, 66465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 66565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 66765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 66865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 669030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6701060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 67165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const Expr *getExpr() const { 67265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 67365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 67465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 67565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 67665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *getExpr() { 67765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 67865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 67965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 68065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 6811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 682036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief Retrieve the location where this default argument was actually 683036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 684036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 685036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 68663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 6881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 6941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 6961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 69863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 6998a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 70060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 7013397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 7021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 703987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 704c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 705c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 706c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 707b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 709b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 710c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 711c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 712c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 714b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 716f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 717c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 718fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 719ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 720ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 721ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 722ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 723ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 724ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 725ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 726ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 727ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 728ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 729ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 730ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 731ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 732ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 733fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 734fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 736fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 737fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 738bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 739bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 740bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 741bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 742bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 743bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 74488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 745fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 746d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 747d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 748d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 750fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 753f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 754d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 755f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 756fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 757fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 75888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 759fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 76063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 76196be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 76296be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 763fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 764fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 765fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 766fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 767fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 768fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 769fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 770fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 77163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 772fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 773fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 77415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson/// CXXConstructExpr - Represents a call to a C++ constructor. 77515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 77672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 77772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 77872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 77972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 78072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_VirtualBase 78172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 78272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson 78372e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 78415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 78515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 78699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 787428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 78816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 78916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 79072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 79115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 79215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned NumArgs; 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 794bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 7951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 79699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 797bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 79816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 7999db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 800428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 801428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 802bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 8036d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 8046d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 8056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(SC, Empty), Constructor(0), Elidable(0), ZeroInitialization(0), 8066d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 8076d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 80815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 8096d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 8106d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 8116d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 8126d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis Elidable(0), ZeroInitialization(0), 8136d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 8146d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 8158e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 81699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 8171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 81816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 8199db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 820428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 821428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 824d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 82539da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 82639da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 82799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 82899a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 82999a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor 830d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 831d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 83239da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 83339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 83416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 83516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 83616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 83716006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 83816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 83916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 84016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor 8419db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 8429db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 84324eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 84424eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 84572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 84672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson void setConstructionKind(ConstructionKind CK) { 84772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 84872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 8499db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 85015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 85115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 85415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 85515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 85615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 85715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 858a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 85915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 86015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 861bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 862bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 863bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 864bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 865bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 866bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 867bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 868bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 869bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8712eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 8722eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 8732eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 8742eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 8752eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 8762eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 87763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 878428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 87915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 881524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 882524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 88315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 88415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 8851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 88763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 88863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 88963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 8906d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 89160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 89215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 89315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 89449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXFunctionalCastExpr - Represents an explicit C++ type conversion 89549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// that uses "functional" notion (C++ [expr.type.conv]). Example: @c 89649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// x = int(0.5); 89749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 898987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 899987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 900f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 901f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 902f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 904f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 90541b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson SourceLocation rParenLoc) 906f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 907f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 9080aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 9090aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 910f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 911f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 912f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 913f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 914f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 915f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 916f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 917f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 918f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 919f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 920f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 921f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 922f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 923ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 924987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 925ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 926987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 927ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 92963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 930987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 931987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 934987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 935987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 936987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 937987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 938506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 939506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 940506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 942506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 943ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// constructor to build a temporary object. With N == 1 arguments the 944ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 945506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 946506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 947506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 948506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 949506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 950506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 951506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 952506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 953524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 954ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 955506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 956506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 958ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 960428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 9611c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 9626d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 963ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 964506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 965ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 966ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 96763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 968ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 970506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 971506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 972506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 9736d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 97460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 975506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 976506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 977ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 978506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 979ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 980987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 981ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 982987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 983ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 984987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 985ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 986ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 987987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 988ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Create an explicitly-written scalar-value initialization 989ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 990ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 991ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 992ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 993f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 994bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 995ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 996ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 997ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 998ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1000ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1001ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 10024c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1003ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1004ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10054c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 100663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1009ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1010987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1011ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1013987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 101463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1015987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1016987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 10174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXNewExpr - A new expression for memory allocation and constructor calls, 10184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// e.g: "new CXXNewExpr(foo)". 10194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 10204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Was the usage ::new, i.e. is the global new to be used? 10214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalNew : 1; 10224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is there an initializer? If not, built-ins are uninitialized, else they're 10234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // value-initialized. 10244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool Initializer : 1; 1025cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Do we allocate an array? If so, the first SubExpr is the size expression. 1026cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool Array : 1; 10276ec278d1a354517e20f13a877481453ee7940c78John McCall // If this is an array allocation, does the usual deallocation 10286ec278d1a354517e20f13a877481453ee7940c78John McCall // function for the allocated type want to know the allocated size? 10296ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 10304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of placement new arguments. 10316ec278d1a354517e20f13a877481453ee7940c78John McCall unsigned NumPlacementArgs : 14; 10324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of constructor arguments. This may be 1 even for non-class 10334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // types; use the pseudo copy constructor. 1034cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl unsigned NumConstructorArgs : 14; 1035cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Contains an optional array size expression, any number of optional 1036cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // placement arguments, and any number of optional constructor arguments, 1037cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // in that order. 10384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 10394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the allocation function used. 10404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 10414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the deallocation function used in case of error. May be null. 10424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 10434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the constructor used. Cannot be null if AllocType is a record; 10444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // it would still point at the default constructor (even an implicit one). 10454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Must be null for all other types. 10464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *Constructor; 10474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10481bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 10491bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 10501bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 10514bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// \brief If the allocated type was expressed as a parenthesized type-id, 10524bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 10534bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 10544bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 10554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 10564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation EndLoc; 1057428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorLParen; 1058428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorRParen; 10594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 106060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 10614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 1062ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 10634bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor Expr **placementArgs, unsigned numPlaceArgs, 10644bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens, 1065ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek Expr *arraySize, CXXConstructorDecl *constructor, bool initializer, 10664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr **constructorArgs, unsigned numConsArgs, 10676ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 10686ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1069428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation startLoc, SourceLocation endLoc, 1070428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorLParen, 1071428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorRParen); 10725921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 10735921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 10745921863d8f24084797863b5df37842113bac4352Chris Lattner 10755921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 10765921863d8f24084797863b5df37842113bac4352Chris Lattner unsigned numConsArgs); 1077ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek 1078cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1079cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 10806217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1081cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 10824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10831bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 10841bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 10851bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1086c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1087c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1088c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1089c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1090c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1091c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1092c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1093c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1094c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1095c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 10968026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 10971bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 10984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 10995921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 11004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 11015921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 11024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *getConstructor() const { return Constructor; } 11035921863d8f24084797863b5df37842113bac4352Chris Lattner void setConstructor(CXXConstructorDecl *D) { Constructor = D; } 11044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1105cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1106cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1107cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1108cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1109cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1110cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1111cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1112cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 11134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1114aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getPlacementArgs() { 1115aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array); 1116aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1117aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 11184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 11194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1120cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 11214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 11234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1124cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 11254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11274bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 11284bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 11294bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 11304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 11314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool hasInitializer() const { return Initializer; } 11326ec278d1a354517e20f13a877481453ee7940c78John McCall 11336ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 11346ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 11356ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. 11366ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 11376ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 11386ec278d1a354517e20f13a877481453ee7940c78John McCall } 11394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumConstructorArgs() const { return NumConstructorArgs; } 1141aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 1142aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getConstructorArgs() { 1143aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array + NumPlacementArgs); 1144aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1145aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 11464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getConstructorArg(unsigned i) { 11474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1148cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getConstructorArg(unsigned i) const { 11514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1152cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 11564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 11574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 1159cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 1162cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 1165cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 1168cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_begin() { 1172cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_end() { 1175cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_begin() const { 1178cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_end() const { 1181cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11835921863d8f24084797863b5df37842113bac4352Chris Lattner 11845921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 11855921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 11865921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 11875921863d8f24084797863b5df37842113bac4352Chris Lattner return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11885921863d8f24084797863b5df37842113bac4352Chris Lattner } 11895921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 11905921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_end() const { return constructor_arg_end(); } 11914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11925921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 11935921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getEndLoc() const { return EndLoc; } 1194428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1195428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorLParen() const { return ConstructorLParen; } 1196428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorRParen() const { return ConstructorRParen; } 1197428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 119863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(StartLoc, EndLoc); 12004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 12034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 12044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 12064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 120863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 120963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], 121063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall &SubExprs[0] + Array + getNumPlacementArgs() 121163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall + getNumConstructorArgs()); 121263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 12144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXDeleteExpr - A delete expression for memory deallocation and destructor 12164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// calls, e.g. "delete[] pArray". 12174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 12184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 12194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 12204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 12214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 12224076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 12234076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 12244076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 12254076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 12266ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 12276ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 12286ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 12294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the operator delete overload that is used. Could be a member. 12304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 12314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The pointer expression to be deleted. 12324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt *Argument; 12334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Location of the expression. 12344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation Loc; 12354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 12364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 12376ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 12386ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1239bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1240bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1241f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 12424076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 12436ec278d1a354517e20f13a877481453ee7940c78John McCall UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize), 12444076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis OperatorDelete(operatorDelete), Argument(arg), Loc(loc) { } 124595fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 124695fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 12474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 12494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 12504076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 12514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12526ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 12536ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 12546ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 12556ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 12566ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 12576ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 12586ec278d1a354517e20f13a877481453ee7940c78John McCall } 12596ec278d1a354517e20f13a877481453ee7940c78John McCall 12604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 12614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 12634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 12644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1265a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1266a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1267a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 12685833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 12695833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor 127063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 12714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 12724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 12754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 12764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 12784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 128063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1281f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1282f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 12834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 12844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1285a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// \brief Structure used to store the type being destroyed by a 1286a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// pseudo-destructor expression. 1287a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1288a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Either the type source information or the name of the type, if 1289a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1290a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1291a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1292a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1293a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1294a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1295a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1296a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1297a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1298a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1299a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1300a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1301a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1302a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1303a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1304a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<TypeSourceInfo *>(); 1305a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1306a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1307a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1308a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1309a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1310a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1311a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1312a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1313a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1314a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1315a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1316e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1317e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructor of a scalar type, except that scalar types don't have 1318e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1319e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1320e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1321e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1322e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1323e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1324e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1325e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1326a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1327e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1328e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1329a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1331a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1332e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1333a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1334a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1335a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1336e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1337e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1338a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1339a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1340a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1342a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1343a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1344a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1346a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1347a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1348f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 1349a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1350f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1352e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1353e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1354e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1355e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1356e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The location of the '::' in a qualified pseudo-destructor 1357e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1358e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1359e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1360fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1361fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1362fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 1363a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The type being destroyed, or its name if we were unable to 1364a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1365a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 13661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1367f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1368f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 1369a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1370a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1371a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1372f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1373e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1374e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1375fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1376e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1378de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1379de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1380f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1381de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1382a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1385a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1386a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1387f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1389f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1390f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1391f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1392f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1394a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1395a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1396f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifier *getQualifier() const { 1397f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 1398f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1401a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1402a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1403a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1404a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1405a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the scope type in a qualified pseudo-destructor 1408e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1409e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1410e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1411e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1412e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1413e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \p T may also be a scalar type and, therefore, cannot be part of a 1414e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1415e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 141626d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1417e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1418e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1419e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1420e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1421e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1422fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1423fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1424fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 142526d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 142626d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1427a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1428a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// This type-source information is available for non-dependent 1429a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1430a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1431a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1432a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getDestroyedTypeInfo() const { 1433a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getTypeSourceInfo(); 1434a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1435a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1436a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1437a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1438a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1439a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1440a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1441a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1442a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1443a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1444a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1445a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1446a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1447a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getDestroyedTypeLoc() const { 1448a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getLocation(); 1449a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1451de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1452de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1453de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1454de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1455de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1456de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1457de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1458de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1459de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1460de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1461de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 146263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1465a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1466a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1467a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 147063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1471a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// UnaryTypeTraitExpr - A GCC or MS unary type trait, as used in the 147464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// implementation of TR1/C++0x type trait templates. 147564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 147664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_pod(int) == true 147764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_enum(std::string) == false 147864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 14790dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 14800dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 14810dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 14820dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 148364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 148464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 148564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 148664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 148764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 148864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 148964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14900dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 14913d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 149264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 149364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 14943d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 14950dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 149664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1497f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1498bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1499bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 15000dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 150164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15026d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 15030dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 15043d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 15056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 150663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc, RParen);} 150764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15080dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 150964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15103d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 151164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15123d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 15133d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor 15140dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 151564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 151664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 151764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 151864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 151964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 152064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 152164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 152263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 15236d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 152460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 152564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 152664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15276ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// BinaryTypeTraitExpr - A GCC or MS binary type trait, as used in the 15286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// implementation of TR1/C++0x type trait templates. 15296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 15306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// __is_base_of(Base, Derived) == true 15316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 15326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 15336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 15346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 15366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 15376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 15396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 15406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 15426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 15436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 15456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 15466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 15486ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 15496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 15516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 15526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 15536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 15546ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 15556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1556bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1557bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1558bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 15596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 15606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 15616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 15646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1565f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 15666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 156763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 15686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 15696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 15726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 15736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 15766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 15776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 15796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 15806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 15826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 15846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 15856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 15876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 158963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 15906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 15926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 15936ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15947bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 15957bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \t UnresolvedLookupExpr or an \t UnresolvedMemberExpr. 15967bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 1597ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 15987bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 15997bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 1600928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 1601928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 1602928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 1603ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 16047bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The common name of these declarations. 16052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo; 1606ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 16074c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// \brief The nested-name-specifier that qualifies the name, if any. 16084c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 1609ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1610a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 16117bb12da2b0749eeebb21854c77877736969e59f2John McCall /// True if the name was a template-id. 16127bb12da2b0749eeebb21854c77877736969e59f2John McCall bool HasExplicitTemplateArgs; 16137bb12da2b0749eeebb21854c77877736969e59f2John McCall 1614bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 16154c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 16162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1617bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 1618bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 1619bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownDependent = false, 1620bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownContainsUnexpandedParameterPack = false); 16217bb12da2b0749eeebb21854c77877736969e59f2John McCall 1622a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 1623a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : Expr(K, Empty), Results(0), NumResults(0), 16244c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor QualifierLoc(), HasExplicitTemplateArgs(false) { } 1625a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 1626bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 1627bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 1628bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 16297bb12da2b0749eeebb21854c77877736969e59f2John McCall 1630bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 16319c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 16329c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 16339c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 16349c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 16359c72c6088d591ace8503b842d39448c2040f3033John McCall }; 16369c72c6088d591ace8503b842d39448c2040f3033John McCall 16377bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 16387bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 16397bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 16409c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 16419c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 16429c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 16437bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 16447bb12da2b0749eeebb21854c77877736969e59f2John McCall 16459c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 16469c72c6088d591ace8503b842d39448c2040f3033John McCall 16477bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 16489c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 16499c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 16509c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 16519c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 16529c72c6088d591ace8503b842d39448c2040f3033John McCall 16539c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 16549c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 16559c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 16569c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 16579c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 16589c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 16599c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 16609c72c6088d591ace8503b842d39448c2040f3033John McCall } 16619c72c6088d591ace8503b842d39448c2040f3033John McCall 16629c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 16637bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16647bb12da2b0749eeebb21854c77877736969e59f2John McCall 1665e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall /// Gets the naming class of this lookup, if any. 1666e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 1667e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 16687bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 1669928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 1670928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_end() const { 1671928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 1672928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 1673a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 16747bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the number of declarations in the unresolved set. 1675928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 16767bb12da2b0749eeebb21854c77877736969e59f2John McCall 16772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Gets the full name info. 16782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 16792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 16807bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the name looked up. 16812577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 16827bb12da2b0749eeebb21854c77877736969e59f2John McCall 16837bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the location of the name. 16842577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 16857bb12da2b0749eeebb21854c77877736969e59f2John McCall 16867bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the nested-name qualifier, if one was given. 16874c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifier *getQualifier() const { 16884c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 16894c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 16907bb12da2b0749eeebb21854c77877736969e59f2John McCall 16914c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// Fetches the nested-name qualifier with source-location information, if 16924c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// one was given. 16934c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 16947bb12da2b0749eeebb21854c77877736969e59f2John McCall 16957bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Determines whether this expression had an explicit 16967bb12da2b0749eeebb21854c77877736969e59f2John McCall /// template argument list, e.g. f<int>. 16977bb12da2b0749eeebb21854c77877736969e59f2John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 16987bb12da2b0749eeebb21854c77877736969e59f2John McCall 16997bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs(); // defined far below 17007bb12da2b0749eeebb21854c77877736969e59f2John McCall 17017bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 17027bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 17037bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17047bb12da2b0749eeebb21854c77877736969e59f2John McCall 1705096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1706096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1707096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1708096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1709096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1710096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 17117bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17127bb12da2b0749eeebb21854c77877736969e59f2John McCall 17137bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 17147bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 17157bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 17167bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17177bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 17184045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 17194045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 17204045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 17217bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 17227bb12da2b0749eeebb21854c77877736969e59f2John McCall 17237bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 17247bb12da2b0749eeebb21854c77877736969e59f2John McCall/// parsing but could not resolve to a specific declaration. This 17257bb12da2b0749eeebb21854c77877736969e59f2John McCall/// arises in several ways: 17267bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 17277bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 17287bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 17297bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 17307bb12da2b0749eeebb21854c77877736969e59f2John McCall/// These never include UnresolvedUsingValueDecls, which are always 17317bb12da2b0749eeebb21854c77877736969e59f2John McCall/// class members and therefore appear only in 17327bb12da2b0749eeebb21854c77877736969e59f2John McCall/// UnresolvedMemberLookupExprs. 17337bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 1734ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 1735ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 1736ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 1737ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 1738ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 17397453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 17407453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 17417453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 17427453ed4cb2cab113de3378df371b1c6f1243d832John McCall 17437bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 17447bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 17457bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 17467bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 17477bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 17487bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 1749f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1750bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedLookupExpr(ASTContext &C, 1751928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 17524c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1754bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool RequiresADL, bool Overloaded, 1755bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 17565a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End) 17574c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, NameInfo, 1758bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor TemplateArgs, Begin, End), 17597bb12da2b0749eeebb21854c77877736969e59f2John McCall RequiresADL(RequiresADL), Overloaded(Overloaded), NamingClass(NamingClass) 1760ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 1761ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1762bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 1763bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 1764bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis RequiresADL(false), Overloaded(false), NamingClass(0) 1765bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 1766bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 17674c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 17684c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor 1769ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 1770ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1771c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 17724c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 17745a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 17755a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17765a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End) { 17774c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, NameInfo, 17784c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor ADL, Overloaded, 0, Begin, End); 1779ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1780ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1781f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1782c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 17834c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17842577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1785f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 17865a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo &Args, 17875a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17885a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 1789f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1790bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 1791def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 1792bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 1793bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 1794ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 1795ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 1796ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 1797ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 17987453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 17997453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 18007453ed4cb2cab113de3378df371b1c6f1243d832John McCall 1801c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 1802c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 1803c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 1804c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 1805c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 1806f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1807f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1808f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 1809f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 18107bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 18117bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 18127bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 18137bb12da2b0749eeebb21854c77877736969e59f2John McCall } 18147bb12da2b0749eeebb21854c77877736969e59f2John McCall 1815f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1816f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1817f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1818f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1819f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1820f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1821096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1822096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1823096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1824096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1825096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1826096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1827096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1828096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1829f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1830f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1831f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1832f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1833f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1834ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1835f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1836f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1837f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1838f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1839f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1840f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1841f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1842f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1843f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1844f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1845f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1846f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1847f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1848f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1849f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1850ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 185163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 18522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 18534c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor if (getQualifierLoc()) 18544c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 18554c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor if (hasExplicitTemplateArgs()) 18564c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 1857f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1858ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1859ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 186063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1861ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1862ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 1863ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 1864ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1865ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 1866ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 1867ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 18685953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 18695953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 18705953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 1871ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 1872a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 18735953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 1874865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 18755953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 18765953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 18775953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 1878865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 1879ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 1880a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 1881a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 1882865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 1883ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 1884ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 188500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 188600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 188700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 188800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 18895953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 1890f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Whether the name includes explicit template arguments. 1891f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool HasExplicitTemplateArgs; 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1893f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 189400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 18952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1896bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 1897f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1898f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 1899f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 190000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 19012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1902f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const TemplateArgumentListInfo *TemplateArgs = 0); 19035953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 190412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 1905def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 190612dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 190712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 19085953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 19092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 19102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 19112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 19122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 19135953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 19145953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 19152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 19165953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 191700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 191800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 191900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 192000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 192100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 1922ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 1923ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 192400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifier *getQualifier() const { 192500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor return QualifierLoc.getNestedNameSpecifier(); 192600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 19271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1928f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 1929f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1931f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1932f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1933f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 19341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 193512dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 193612dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 193712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 193812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 193912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 1940f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1941f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1942f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1943f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1944f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1946096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1947096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1948096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1949096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1950096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1951096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1952096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1953096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1954f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1955f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1956f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1957f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1958f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1959f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1960f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1961f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1962edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1964f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1965f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1966f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1968f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1969f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1970d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1971d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1972f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1973f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1974f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 197663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 197700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 1978f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 1979f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 1980f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1981edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1984f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 1985edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 1986f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 1987f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 198863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19894045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 19904045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 19914045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 1992edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 19931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19944765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 19954765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 19964765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 19974765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// cleanups is temporary objects in C++, but several other C++ 19984765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// expressions can create cleanups. 19994765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 200002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 20011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2002ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson CXXTemporary **Temps; 2003ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson unsigned NumTemps; 200402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 20054765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(ASTContext &C, Expr *SubExpr, 20064765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall CXXTemporary **Temps, unsigned NumTemps); 20074765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall 200888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 20094765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(EmptyShell Empty) 20104765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall : Expr(ExprWithCleanupsClass, Empty), 2011d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner SubExpr(0), Temps(0), NumTemps(0) {} 2012d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 20134765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static ExprWithCleanups *Create(ASTContext &C, Expr *SubExpr, 20140ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson CXXTemporary **Temps, 20150ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson unsigned NumTemps); 20161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201788eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson unsigned getNumTemporaries() const { return NumTemps; } 2018d04ed416be7c55bddddab1fa3fd38a0113a6b3daTed Kremenek void setNumTemporaries(ASTContext &C, unsigned N); 2019d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 202088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary(unsigned i) { 202188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson assert(i < NumTemps && "Index out of range"); 202288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson return Temps[i]; 202388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson } 2024f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary(unsigned i) const { 20254765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return const_cast<ExprWithCleanups*>(this)->getTemporary(i); 2026f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 2027d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(unsigned i, CXXTemporary *T) { 2028d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner assert(i < NumTemps && "Index out of range"); 2029d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner Temps[i] = T; 2030d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 20311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2033f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 203488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 203502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 203663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 203796be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 203896be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 203902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 204002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 204102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 20424765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 204302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 20444765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 204502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 204602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 204763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 204802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 204902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2050d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2051d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2052d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2053d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2054d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2055d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// CXXUnresolvedConstructExpr have the form \c T(a1, a2, ..., aN), 2056d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// where \c T is some type and \c a1, a2, ..., aN are values, and 2057d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// either \C T is a dependent type or one or more of the \c a's is 2058d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2059d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2060d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2061d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2062d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2063d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2064d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2065d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2066d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2067d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2068d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2069d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2070d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2071d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2072d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2073ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2074ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2075d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2076d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2077d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2078d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2079d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2080d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2081d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2082d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 20831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2084ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2085d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2086d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2087d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2088d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2089d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 20908dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2091ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 20928dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2093ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2094ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2095d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 20961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2097ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2098d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2099d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2100d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2101d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2102d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21038dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 21048dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 21058dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2106d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2107d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2108ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2109d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2110ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Retrieve the type source information for the type being 2111ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2112ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2113ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2114d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2115d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2116d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2117d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2118d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2119d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2120d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2121d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2122d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2123d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2124d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2125d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2126d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2127d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2128d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2129d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2130d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21311dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 21321dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 21331dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 21341dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 21361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 21371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2139d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2140d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2141d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2142d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2143d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21441dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 21451dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 21461dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 21471dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21481dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 21498dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 21508dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 21518dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 21528dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 21538dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 215463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 2155ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2157d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2158d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2159d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2160d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2161d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 216263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 216363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 216463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 216563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2166d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2167d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2168ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2169ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2170ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2171aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2172aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2173aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2174aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2175865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 21761c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2177aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 21781c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2180aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2181aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2182aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2183aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 21841c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 21851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 21863b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 21871c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 21883b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Whether this member expression has explicitly-specified template 21893b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// arguments. 2190aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool HasExplicitTemplateArgs : 1; 21911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21921c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 21931c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 21941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2195a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 21967c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2198c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 21991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2200c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2201c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 220246bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2203c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2204865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2205c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 22081c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2209a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 22102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 22111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2212865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2213aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22143b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22157c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 22163b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2218d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22201c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2221865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2222bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2223bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2224bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 22257c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2226bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2227bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 22281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2229865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2231aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22323b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22337c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 22343b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2236d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22388dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2239def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2240def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 22418dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2242aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2243aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2244aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 22454c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2246aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22471c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 22481c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2249aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2250aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2251aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2252aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 22531c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2254aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2255aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22561c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 22571c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 22581c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 22591c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 22601c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 22611c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 22621c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2263a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2264a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 22657c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifier *getQualifier() const { 22667c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 22677c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 22681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22697c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 22707c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 22717c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 22727c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 22737c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2274c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2275c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2276c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2277c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2278c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 22791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2281c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2282c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2283c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 2284c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 2286c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 2287c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 22881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22891c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 22901c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 22912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 22922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 22932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 22942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 22952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 22962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 22972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 22981c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 22991c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 23001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 23012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 23021c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23033b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 23043b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 2305aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool hasExplicitTemplateArgs() const { 2306aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return HasExplicitTemplateArgs; 23073b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 231036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2311096832c5ed5b9106fa177ebc148489760c3bc496John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 231236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis assert(HasExplicitTemplateArgs); 2313096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 231436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 231536c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 231636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 231736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2318096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 231936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 2320096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 2321096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2322096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2323096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2324096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2325096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2326096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2327096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2328096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 232936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 233036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 2331d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 2332d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 2333d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2334096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 2335d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2336d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23378dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 23388dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 2339096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 23408dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 23418dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 23421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 23433b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// member name ('<'), if any. 23441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 2345096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 23463b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23483b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 23493b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 2350833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 2351096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 23523b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23543b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 23553b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 2357096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 23583b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 23613b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template arguments ('>'). 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 2363096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 23643b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 2367aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 2368aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2369aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 2370aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 23717c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2372aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 23741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2375aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 2376aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 2377aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 2379aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 23801c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2383865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 23841c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 2385865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 23861c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23871c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 238863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 238963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 239063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 239163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 23924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 23934045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 23944045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 23951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 23961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2397129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 2398aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 2399aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2400aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 2401aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 2402aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 2403aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 2404aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 2405aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 2406aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2407aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 2408aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 2409aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 24107bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 2411129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 2412129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 2413129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 2414129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2415129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 2416129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 2417129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 2418129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 24197bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 24207bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 24237bb12da2b0749eeebb21854c77877736969e59f2John McCall 24247bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 24257bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 2426129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2427129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 2428129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 2429129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2430bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 2431aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2432129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 24334c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24355a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24365a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2437a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2438a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 2439a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 2440a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 2441129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 24424c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 24434c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor 2444129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 2445129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 2446bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 2447aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2448129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 24494c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24515a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24525a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2453129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2454a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 2455def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2456def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 2457a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2458aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2459aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2460aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 24614c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2462aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2463129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 2464129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 2465aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 2466aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2467aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2468aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 24692f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 24702f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 24712f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 24722f27bf854f0519810b34afd209089cc75536b757John McCall } 2473129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2474aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2475a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2476a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 2477a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 2478a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 2479aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2480129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 2481129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 2482129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 2483129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2484129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 2485129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 2486129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2487c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 2488c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 2489c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 24902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 24912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 24922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 24932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 2494129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 2495129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 24967bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 2497129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2498129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 2499129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 25007bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 2501129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25027bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25037bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name. 25047bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 25057bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25067bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 25077bb12da2b0749eeebb21854c77877736969e59f2John McCall } 25087bb12da2b0749eeebb21854c77877736969e59f2John McCall 25097bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25107bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name, if any. 25117bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 25127bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25137bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList *>(this + 1); 2514129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2515129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2516096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2517096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2518096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2519096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2520096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2521096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2522096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2523096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2524129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Copies the template arguments into the given structure. 2525129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 25267bb12da2b0749eeebb21854c77877736969e59f2John McCall getExplicitTemplateArgs().copyInto(List); 2527129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2528129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2529129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the left angle bracket following 2530129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the member name ('<'). 2531129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getLAngleLoc() const { 25327bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().LAngleLoc; 2533129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2534129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2535129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the template arguments provided as part of this 2536129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// template-id. 2537129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall const TemplateArgumentLoc *getTemplateArgs() const { 25387bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2539129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2540129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2541129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the number of template arguments provided as 2542129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// part of this template-id. 2543129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall unsigned getNumTemplateArgs() const { 25447bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2545129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2546129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2547129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the right angle bracket 2548129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// following the template arguments ('>'). 2549129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getRAngleLoc() const { 25507bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().RAngleLoc; 2551129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2552129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 255363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 25542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 2555aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2556aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 25574c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 25584c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2559aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2560129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 2561129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 2562129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 2563129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2564129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2565129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 2566129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 2567129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2568129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 2569129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2570129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 257163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 257263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 257363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 257463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2575129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 2576129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25772e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 25782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 25792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 25802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 25812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 25822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 25832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 25842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 25852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2586c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 2587c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 25882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 25892e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 25902e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 2591f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 2592f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 2593bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 2594bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 25956b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 25966b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 25976b219d082434394c1ac401390ec1d1967727815aSebastian Redl 25986b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 25996b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 26002e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 26012e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26022e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 26032e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 260463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 26052e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26062e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 26072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26082e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 26092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 26102e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 26112e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 26122e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26132e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 261463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 26152e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 26162e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2617be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \brief Represents a C++0x pack expansion that produces a sequence of 2618be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 2619be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2620be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 2621be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 2622be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2623be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 2624be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 2625be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 2626be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 2627be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 2628be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 2629be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2630be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 2631be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// pattern is \c static_cast<Types&&>(args). When the \c forward function 2632be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 2633be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 2634be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 2635be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 263667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 263767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 263867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 263967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 264067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 264167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 264267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 264367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 2644be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 2645be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2646be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 264767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 2648be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2649be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 265067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 265167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 2652be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 2653be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern->getObjectKind(), /*TypeDependent=*/true, 2654be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /*ValueDependent=*/true, /*ContainsUnexpandedParameterPack=*/false), 2655be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 265667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 2657be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 2658be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2659be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 2660be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2661be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2662be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 2663be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2664be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2665be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 2666be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2667be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 2668be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 2669be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 2670be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 267167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief Determine the number of expansions that will be produced when 267267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 267367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 267467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 267567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 267667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 267767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 267867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 267967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 268063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 268163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 268263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2683be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2684be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 2685be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 2686be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 2687be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 2688be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2689be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 269063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 269163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 269263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2693be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 2694be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 26957bb12da2b0749eeebb21854c77877736969e59f2John McCallinline ExplicitTemplateArgumentList &OverloadExpr::getExplicitTemplateArgs() { 26967bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 26977bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedLookupExpr>(this)->getExplicitTemplateArgs(); 26987bb12da2b0749eeebb21854c77877736969e59f2John McCall else 26997bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedMemberExpr>(this)->getExplicitTemplateArgs(); 27007bb12da2b0749eeebb21854c77877736969e59f2John McCall} 27017bb12da2b0749eeebb21854c77877736969e59f2John McCall 2702ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \brief Represents an expression that computes the length of a parameter 2703ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 2704ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 2705ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 2706ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 2707ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 2708ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 2709ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 2710ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 2711ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 2712ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 2713ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 2714ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2715ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 2716ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 2717ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2718ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 2719ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 2720ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2721ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 2722ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2723ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 2724ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 2725ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 2726ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 2727ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2728ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 2729ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 2730ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2731ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 2732ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 2733ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2734ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 2735ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 2736ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 2737ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2738ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 2739ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2740ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 2741ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2742ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2743ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 2744ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2745ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 2746ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 2747ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2748ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 2749ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 2750ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2751ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 2752ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2753ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2754ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 2755ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2756ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 2757ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 2758ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2759ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 2760ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 2761ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2762ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 2763ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 2764ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2765ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 2766ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2767ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2768ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 2769ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 2770ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2771ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 2772ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2773c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// This routine may only be invoked when the expression is not 2774c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 2775ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 2776ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor assert(!isValueDependent() && 2777ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 2778ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 2779ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2780ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 278163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 278263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 278363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2784ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2785ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 2786ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 2787ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2788ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 2789ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2790ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 279163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2792ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 2793c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2794c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 2795c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 2796c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 2797c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 2798c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 2799c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter lists, this node node is used to represent a non-type template 2800c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 2801c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 2802c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 2803c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 2804c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 2805c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 2806c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 2807c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 2808c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 2809c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2810c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 2811c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 2812c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 2813c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2814c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 2815c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 2816c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2817c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 2818c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 2819c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2820c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 2821c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtWriter; 2822c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2823c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 2824c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(QualType T, 2825c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 2826c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 2827c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 2828c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2829c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 2830c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 2831c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2832c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 2833c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 2834c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2835c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 2836c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 2837c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2838c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 2839c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 2840c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 2841c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 284263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return NameLoc; } 2843c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2844c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 2845c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 2846c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2847c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 2848c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return true; 2849c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2850c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2851c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 285263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2853c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 2854ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 28555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 28565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2858