ExprCXX.h revision 0fee330f5754ca4b248e5bb7363e834668aff06d
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 2560fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2570fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 26049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 26149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXDynamicCastExpr *) { return true; } 26249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 26349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 26449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 26549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 26649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 26849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 26949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 27049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 271f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 272f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 2731d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 2741d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 275f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2761d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 27749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 278f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 279f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 280f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 281f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 282f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 283f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 284f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 2851d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 2861d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 287f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 288f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 289ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 29149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 29249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 29349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXReinterpretCastExpr *) { return true; } 29449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 29549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 29649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 29749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 29949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 30049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 30149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 302f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 3031d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 3041d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 305f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3061d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 30749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 308ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 309f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 310f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 311f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 312f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 313f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 3141d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 3151d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 316f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 317ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 31949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 32049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 32149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXConstCastExpr *) { return true; } 3221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3231060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 3261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 3271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 3281060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 3291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 331bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 332bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 333f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 3348b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 335eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 336eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 337eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 339eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 344eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 345eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 3481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 3491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 35263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3531060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3556e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 3566e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 3576e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 3586e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 3596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 360bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 361bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 362f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 3636e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 364eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 365eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 366eb7f96141f754150a92433286fa385910a22f494Sam Weinig 36763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 369eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 370eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 371eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 3736e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 3746e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 3756e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 3766e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 37763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3786e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 3796e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 380c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 381c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 382c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 383c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 384c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 385c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 386c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 38757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 388c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 389c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 390c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 39157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 392f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 39357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 39457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 39557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 396bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 397bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 39857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 39957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 40057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 401f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4022850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 403bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4042850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 405bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 406bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 40757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 408c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 40914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 41014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 41114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 41214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 41314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 41414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 41514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 41614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 41757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 41857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 41957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 42057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 42157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 42257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 42357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 42457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 425c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 42657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 427c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 42814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 42914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 43014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 43114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 43214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 43357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 43414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 435c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 43657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 437c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 43814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 439030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 440030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 441030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 442030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 443030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 44463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 44514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 44614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 447c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 448c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 449c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 450c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 451c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 452c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 45363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 45463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 45563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 45663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 45763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 458c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 459c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 46001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 46101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 46201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 46301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 46401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 46501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 46601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 46701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 46801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 46901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 47001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 4712e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 472bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 473bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 47401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 47501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 47601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 4772e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 478bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 479bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 48001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 48101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 48301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 48401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 48501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 48601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 48701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 48801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 48901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 49101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 49301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 49401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 49501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 49701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 49801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 49901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 50001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 50101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 50201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 50301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 50401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 50501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 50601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 50701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 50801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 50901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 51001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 51101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 51201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 51301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 51401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 51501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 51601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 51763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 51801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 51901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 52001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 52101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 52201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 52301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 52401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 52501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 52663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 52763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 52863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 52963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 53063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 53101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 53201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 533796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 534796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 535796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 536796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 537796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 538796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 539796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 540796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 541796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 542796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 543796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 544796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 545796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 546828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 547828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 548796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 549828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 550f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 5512850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 5522850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 553bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 554bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 555828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 556796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5572fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 5582fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5592fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 5602fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 5612fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 56263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 563796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 564828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 565828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 566828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 568796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 569796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 570796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 571796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 572796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 57363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 574796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 575796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 5771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 5781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 5791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 5801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 5811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 5821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 5831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 5841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 5851060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 5861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 5871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l) : 588bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 589bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 590f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Op(expr), ThrowLoc(l) {} 5912fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 5922fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 5941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 59542e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setSubExpr(Expr *E) { Op = E; } 59642e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 59742e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 59842e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setThrowLoc(SourceLocation L) { ThrowLoc = L; } 5991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 60063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 6021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 6031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 6041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 6081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 6101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 61263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 61363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 61463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 6161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 6181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 6191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 6201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 6211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 62265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 62365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 62465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// When the bit is set, the subexpression is stored after the 62565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 62665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 62765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 629036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 630036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 631036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 632036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 63365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor : Expr(SC, 63465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 63565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 6362333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 637dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 638bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false), 639036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 64065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 641036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 642036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 643dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 644dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 645bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 646bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 64765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 64865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 64965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 651030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 652030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 653030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 6551060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 656036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 657036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 658036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 659f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 6601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 66165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 66265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 663036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, 664036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 665036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param, 66665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 66765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6681060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 66965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 67065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 671030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 67365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const Expr *getExpr() const { 67465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 67565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 67665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 67765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 67865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *getExpr() { 67965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 68065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 68165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 68265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 6831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 684036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief Retrieve the location where this default argument was actually 685036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 686036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 687036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 68863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 6921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 6961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 6981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 70063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 7018a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 70260adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 7033397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 7041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 705987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 706c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 707c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 708c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 709b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 711b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 712c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 713c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 714c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 716b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 718f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 719c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 720fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 721ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 722ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 723ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 724ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 725ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 726ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 727ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 728ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 729ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 730ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 731ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 732ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 733ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 734ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 735fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 736fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 738fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 739fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 740bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 741bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 742bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 743bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 744bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 745bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 74688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 747fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 748d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 749d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 750d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 752fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 755f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 756d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 757f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 758fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 759fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 76088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 761fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 76263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 76396be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 76496be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 765fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 766fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 767fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 768fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 769fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 770fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 771fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 772fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 77363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 774fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 775fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 77615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson/// CXXConstructExpr - Represents a call to a C++ constructor. 77715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 77872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 77972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 78072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 78172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 78272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_VirtualBase 78372e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 78472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson 78572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 78615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 78715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 78899a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 789428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 79016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 79116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 79272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 79315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 79415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned NumArgs; 7951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 796bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 79899a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 799bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 80016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 8019db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 802428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 803428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 804bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 8056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 8066d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 8076d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(SC, Empty), Constructor(0), Elidable(0), ZeroInitialization(0), 8086d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 8096d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 81015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 8116d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 8126d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 8136d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 8146d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis Elidable(0), ZeroInitialization(0), 8156d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 8166d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 8178e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 81899a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 82016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 8219db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 822428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 823428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 826d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 82739da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 82839da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 82999a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 83099a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 83199a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor 832d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 833d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 83439da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 83539da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 83616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 83716006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 83816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 83916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 84016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 84116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 84216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor 8439db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 8449db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 84524eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 84624eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 84772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 84872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson void setConstructionKind(ConstructionKind CK) { 84972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 85072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 8519db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 85215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 85315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 85615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 85715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 85815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 85915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 860a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 86115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 86215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 863bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 864bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 865bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 866bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 867bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 868bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 869bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 870bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 871bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8732eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 8742eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 8752eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 8762eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 8772eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 8782eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 87963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 880428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 88115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 883524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 884524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 88515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 88615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 88963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 89063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 89163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 8926d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 89360adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 89415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 89515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 89649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXFunctionalCastExpr - Represents an explicit C++ type conversion 89749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// that uses "functional" notion (C++ [expr.type.conv]). Example: @c 89849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// x = int(0.5); 89949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 900987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 901987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 902f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 903f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 904f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 906f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 90741b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson SourceLocation rParenLoc) 908f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 909f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 9100aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 9110aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 912f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 913f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 914f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 915f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 916f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 917f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 918f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 919f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 920f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 921f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 922f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 923f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 924f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 925ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 926987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 927ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 928987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 929ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 932987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 933987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 936987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 937987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 938987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 939987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 940506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 941506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 942506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 944506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 945ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// constructor to build a temporary object. With N == 1 arguments the 946ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 947506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 948506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 949506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 950506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 951506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 952506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 953506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 954506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 955524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 956ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 957506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 958506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 960ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 962428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 9631c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 9646d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 965ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 966506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 967ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 968ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 96963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 970ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 972506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 973506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 974506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 9756d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 97660adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 977506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 978506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 979ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 980506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 981ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 982987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 983ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 984987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 985ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 986987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 987ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 988ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 989987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 990ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Create an explicitly-written scalar-value initialization 991ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 992ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 993ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 994ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 995f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 996bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 997ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 998ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 999ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1000ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1002ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1003ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 10044c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1005ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1006ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 100863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1011ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1012987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1013ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1015987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 101663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1017987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1018987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 10194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXNewExpr - A new expression for memory allocation and constructor calls, 10204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// e.g: "new CXXNewExpr(foo)". 10214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 10224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Was the usage ::new, i.e. is the global new to be used? 10234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalNew : 1; 10244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is there an initializer? If not, built-ins are uninitialized, else they're 10254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // value-initialized. 10264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool Initializer : 1; 1027cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Do we allocate an array? If so, the first SubExpr is the size expression. 1028cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool Array : 1; 10296ec278d1a354517e20f13a877481453ee7940c78John McCall // If this is an array allocation, does the usual deallocation 10306ec278d1a354517e20f13a877481453ee7940c78John McCall // function for the allocated type want to know the allocated size? 10316ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 10324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of placement new arguments. 10336ec278d1a354517e20f13a877481453ee7940c78John McCall unsigned NumPlacementArgs : 14; 10344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of constructor arguments. This may be 1 even for non-class 10354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // types; use the pseudo copy constructor. 1036cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl unsigned NumConstructorArgs : 14; 1037cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Contains an optional array size expression, any number of optional 1038cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // placement arguments, and any number of optional constructor arguments, 1039cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // in that order. 10404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 10414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the allocation function used. 10424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 10434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the deallocation function used in case of error. May be null. 10444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 10454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the constructor used. Cannot be null if AllocType is a record; 10464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // it would still point at the default constructor (even an implicit one). 10474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Must be null for all other types. 10484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *Constructor; 10494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10501bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 10511bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 10521bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 10534bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// \brief If the allocated type was expressed as a parenthesized type-id, 10544bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 10554bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 10564bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 10574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 10584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation EndLoc; 1059428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorLParen; 1060428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorRParen; 10614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 106260adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 10634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 1064ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 10654bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor Expr **placementArgs, unsigned numPlaceArgs, 10664bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens, 1067ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek Expr *arraySize, CXXConstructorDecl *constructor, bool initializer, 10684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr **constructorArgs, unsigned numConsArgs, 10696ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 10706ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1071428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation startLoc, SourceLocation endLoc, 1072428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorLParen, 1073428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorRParen); 10745921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 10755921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 10765921863d8f24084797863b5df37842113bac4352Chris Lattner 10775921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 10785921863d8f24084797863b5df37842113bac4352Chris Lattner unsigned numConsArgs); 1079ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek 1080cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1081cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 10826217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1083cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 10844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10851bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 10861bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 10871bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1088c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1089c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1090c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1091c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1092c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1093c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1094c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1095c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1096c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1097c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 10988026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 10991bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 11004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 11015921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 11024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 11035921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 11044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *getConstructor() const { return Constructor; } 11055921863d8f24084797863b5df37842113bac4352Chris Lattner void setConstructor(CXXConstructorDecl *D) { Constructor = D; } 11064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1107cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1108cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1109cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1110cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1111cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1112cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1113cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1114cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 11154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1116aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getPlacementArgs() { 1117aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array); 1118aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1119aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 11204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 11214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1122cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 11234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 11254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1126cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 11274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11294bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 11304bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 11314bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 11324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 11334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool hasInitializer() const { return Initializer; } 11346ec278d1a354517e20f13a877481453ee7940c78John McCall 11356ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 11366ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 11376ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. 11386ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 11396ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 11406ec278d1a354517e20f13a877481453ee7940c78John McCall } 11414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumConstructorArgs() const { return NumConstructorArgs; } 1143aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 1144aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getConstructorArgs() { 1145aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array + NumPlacementArgs); 1146aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1147aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 11484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getConstructorArg(unsigned i) { 11494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1150cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getConstructorArg(unsigned i) const { 11534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1154cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 11584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 11594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 1161cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 1164cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 1167cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 1170cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_begin() { 1174cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_end() { 1177cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_begin() const { 1180cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_end() const { 1183cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11855921863d8f24084797863b5df37842113bac4352Chris Lattner 11865921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 11875921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 11885921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 11895921863d8f24084797863b5df37842113bac4352Chris Lattner return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11905921863d8f24084797863b5df37842113bac4352Chris Lattner } 11915921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 11925921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_end() const { return constructor_arg_end(); } 11934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11945921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 11955921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getEndLoc() const { return EndLoc; } 1196428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1197428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorLParen() const { return ConstructorLParen; } 1198428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorRParen() const { return ConstructorRParen; } 1199428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 120063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 12014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(StartLoc, EndLoc); 12024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 12054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 12064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 12084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 121063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 121163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], 121263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall &SubExprs[0] + Array + getNumPlacementArgs() 121363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall + getNumConstructorArgs()); 121463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 12164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXDeleteExpr - A delete expression for memory deallocation and destructor 12184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// calls, e.g. "delete[] pArray". 12194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 12204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 12214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 12224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 12234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 12244076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 12254076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 12264076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 12274076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 12286ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 12296ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 12306ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 12314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the operator delete overload that is used. Could be a member. 12324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 12334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The pointer expression to be deleted. 12344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt *Argument; 12354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Location of the expression. 12364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation Loc; 12374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 12384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 12396ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 12406ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1241bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1242bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1243f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 12444076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 12456ec278d1a354517e20f13a877481453ee7940c78John McCall UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize), 12464076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis OperatorDelete(operatorDelete), Argument(arg), Loc(loc) { } 124795fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 124895fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 12494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 12514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 12524076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 12534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12546ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 12556ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 12566ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 12576ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 12586ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 12596ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 12606ec278d1a354517e20f13a877481453ee7940c78John McCall } 12616ec278d1a354517e20f13a877481453ee7940c78John McCall 12624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 12634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 12654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 12664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1267a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1268a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1269a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 12705833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 12715833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor 127263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 12734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 12744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 12774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 12784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 12804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 128263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1283f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1284f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 12854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 12864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1287a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// \brief Structure used to store the type being destroyed by a 1288a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// pseudo-destructor expression. 1289a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1290a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Either the type source information or the name of the type, if 1291a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1292a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1293a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1294a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1295a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1296a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1297a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1298a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1299a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1300a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1301a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1302a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1303a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1304a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1305a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1306a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<TypeSourceInfo *>(); 1307a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1308a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1309a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1310a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1311a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1312a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1313a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1314a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1315a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1316a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1317a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1318e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1319e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructor of a scalar type, except that scalar types don't have 1320e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1321e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1322e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1323e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1324e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1325e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1326e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1327e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1328a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1329e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1330e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1331a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1333a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1334e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1335a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1336a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1337a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1338e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1339e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1340a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1341a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1342a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1344a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1345a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1346a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1348a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1349a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1350f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 1351a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1352f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1354e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1355e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1356e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1357e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1358e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The location of the '::' in a qualified pseudo-destructor 1359e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1360e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1361e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1362fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1363fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1364fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 1365a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The type being destroyed, or its name if we were unable to 1366a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1367a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1369f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1370f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 1371a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1372a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1373a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1374f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1375e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1376e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1377fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1378e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 13791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1380de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1381de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1382f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1383de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1384a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1387a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1388a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1389f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1391f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1392f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1393f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1394f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1396a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1397a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1398f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifier *getQualifier() const { 1399f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 1400f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1403a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1404a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1405a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1406a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1407a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1409e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the scope type in a qualified pseudo-destructor 1410e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1411e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1412e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1413e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1414e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1415e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \p T may also be a scalar type and, therefore, cannot be part of a 1416e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1417e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 141826d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1419e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1420e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1421e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1422e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1423e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1424fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1425fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1426fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 142726d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 142826d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1429a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1430a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// This type-source information is available for non-dependent 1431a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1432a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1433a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1434a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getDestroyedTypeInfo() const { 1435a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getTypeSourceInfo(); 1436a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1437a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1438a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1439a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1440a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1441a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1442a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1443a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1444a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1445a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1446a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1447a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1448a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1449a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getDestroyedTypeLoc() const { 1450a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getLocation(); 1451a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1453de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1454de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1455de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1456de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1457de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1458de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1459de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1460de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1461de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1462de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1463de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 146463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1467a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1468a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1469a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1471a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 147263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1473a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 14741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// UnaryTypeTraitExpr - A GCC or MS unary type trait, as used in the 147664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// implementation of TR1/C++0x type trait templates. 147764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 147864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_pod(int) == true 147964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_enum(std::string) == false 148064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 14810dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 14820dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 14830dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 14840dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 148564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 148664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 148764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 148864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 148964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 149064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 149164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14920dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 14933d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 149464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 149564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 14963d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 14970dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 149864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1499f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1500bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1501bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 15020dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 150364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15046d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 15050dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 15063d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 15076d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 150863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc, RParen);} 150964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15100dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 151164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15123d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 151364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15143d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 15153d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor 15160dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 151764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 151864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 151964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 152064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 152164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 152264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 152364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 152463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 15256d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 152660adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 152764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 152864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 15296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// BinaryTypeTraitExpr - A GCC or MS binary type trait, as used in the 15306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// implementation of TR1/C++0x type trait templates. 15316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 15326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// __is_base_of(Base, Derived) == true 15336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 15346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 15356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 15366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 15386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 15396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 15416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 15426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 15446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 15456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 15476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 15486ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 15506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 15516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 15536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 15546ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 15556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 15566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 15576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1558bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1559bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1560bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 15616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 15626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 15636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 15666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1567f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 15686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 156963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 15706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 15716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 15746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 15756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 15786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 15796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 15816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 15826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 15846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 15866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 15876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 15896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 159163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 15926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15936ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 15946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 15956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15967bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 15977bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \t UnresolvedLookupExpr or an \t UnresolvedMemberExpr. 15987bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 1599ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 16007bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 16017bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 1602928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 1603928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 1604928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 1605ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 16067bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The common name of these declarations. 16072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo; 1608ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 16094c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// \brief The nested-name-specifier that qualifies the name, if any. 16104c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 1611ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1612a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 16137bb12da2b0749eeebb21854c77877736969e59f2John McCall /// True if the name was a template-id. 16147bb12da2b0749eeebb21854c77877736969e59f2John McCall bool HasExplicitTemplateArgs; 16157bb12da2b0749eeebb21854c77877736969e59f2John McCall 1616bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 16174c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 16182577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1619bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 1620bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 1621bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownDependent = false, 1622bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownContainsUnexpandedParameterPack = false); 16237bb12da2b0749eeebb21854c77877736969e59f2John McCall 1624a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 1625a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : Expr(K, Empty), Results(0), NumResults(0), 16264c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor QualifierLoc(), HasExplicitTemplateArgs(false) { } 1627a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 1628bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 1629bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 1630bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 16317bb12da2b0749eeebb21854c77877736969e59f2John McCall 1632bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 16339c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 16349c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 16359c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 16369c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 16379c72c6088d591ace8503b842d39448c2040f3033John McCall }; 16389c72c6088d591ace8503b842d39448c2040f3033John McCall 16397bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 16407bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 16417bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 16429c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 16439c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 16449c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 16457bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 16467bb12da2b0749eeebb21854c77877736969e59f2John McCall 16479c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 16489c72c6088d591ace8503b842d39448c2040f3033John McCall 16497bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 16509c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 16519c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 16529c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 16539c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 16549c72c6088d591ace8503b842d39448c2040f3033John McCall 16559c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 16569c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 16579c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 16589c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 16599c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 16609c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 16619c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 16629c72c6088d591ace8503b842d39448c2040f3033John McCall } 16639c72c6088d591ace8503b842d39448c2040f3033John McCall 16649c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 16657bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16667bb12da2b0749eeebb21854c77877736969e59f2John McCall 1667e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall /// Gets the naming class of this lookup, if any. 1668e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 1669e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 16707bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 1671928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 1672928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_end() const { 1673928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 1674928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 1675a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 16767bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the number of declarations in the unresolved set. 1677928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 16787bb12da2b0749eeebb21854c77877736969e59f2John McCall 16792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Gets the full name info. 16802577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 16812577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 16827bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the name looked up. 16832577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 16847bb12da2b0749eeebb21854c77877736969e59f2John McCall 16857bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the location of the name. 16862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 16877bb12da2b0749eeebb21854c77877736969e59f2John McCall 16887bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the nested-name qualifier, if one was given. 16894c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifier *getQualifier() const { 16904c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 16914c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 16927bb12da2b0749eeebb21854c77877736969e59f2John McCall 16934c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// Fetches the nested-name qualifier with source-location information, if 16944c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// one was given. 16954c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 16967bb12da2b0749eeebb21854c77877736969e59f2John McCall 16977bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Determines whether this expression had an explicit 16987bb12da2b0749eeebb21854c77877736969e59f2John McCall /// template argument list, e.g. f<int>. 16997bb12da2b0749eeebb21854c77877736969e59f2John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 17007bb12da2b0749eeebb21854c77877736969e59f2John McCall 17017bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs(); // defined far below 17027bb12da2b0749eeebb21854c77877736969e59f2John McCall 17037bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 17047bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 17057bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17067bb12da2b0749eeebb21854c77877736969e59f2John McCall 1707096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1708096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1709096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1710096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1711096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1712096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 17137bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17147bb12da2b0749eeebb21854c77877736969e59f2John McCall 17157bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 17167bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 17177bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 17187bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17197bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 17204045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 17214045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 17224045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 17237bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 17247bb12da2b0749eeebb21854c77877736969e59f2John McCall 17257bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 17267bb12da2b0749eeebb21854c77877736969e59f2John McCall/// parsing but could not resolve to a specific declaration. This 17277bb12da2b0749eeebb21854c77877736969e59f2John McCall/// arises in several ways: 17287bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 17297bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 17307bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 17317bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 17327bb12da2b0749eeebb21854c77877736969e59f2John McCall/// These never include UnresolvedUsingValueDecls, which are always 17337bb12da2b0749eeebb21854c77877736969e59f2John McCall/// class members and therefore appear only in 17347bb12da2b0749eeebb21854c77877736969e59f2John McCall/// UnresolvedMemberLookupExprs. 17357bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 1736ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 1737ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 1738ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 1739ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 1740ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 17417453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 17427453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 17437453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 17447453ed4cb2cab113de3378df371b1c6f1243d832John McCall 17457bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 17467bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 17477bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 17487bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 17497bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 17507bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 1751f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1752bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedLookupExpr(ASTContext &C, 1753928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 17544c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1756bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool RequiresADL, bool Overloaded, 1757bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 17585a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End) 17594c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, NameInfo, 1760bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor TemplateArgs, Begin, End), 17617bb12da2b0749eeebb21854c77877736969e59f2John McCall RequiresADL(RequiresADL), Overloaded(Overloaded), NamingClass(NamingClass) 1762ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 1763ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1764bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 1765bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 1766bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis RequiresADL(false), Overloaded(false), NamingClass(0) 1767bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 1768bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 17694c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 17704c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor 1771ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 1772ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1773c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 17744c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 17765a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 17775a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17785a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End) { 17794c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, NameInfo, 17804c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor ADL, Overloaded, 0, Begin, End); 1781ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1782ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1783f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1784c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 17854c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 17862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1787f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 17885a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo &Args, 17895a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17905a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 1791f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1792bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 1793def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 1794bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 1795bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 1796ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 1797ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 1798ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 1799ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 18007453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 18017453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 18027453ed4cb2cab113de3378df371b1c6f1243d832John McCall 1803c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 1804c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 1805c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 1806c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 1807c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 1808f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1809f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1810f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 1811f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 18127bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 18137bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 18147bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 18157bb12da2b0749eeebb21854c77877736969e59f2John McCall } 18167bb12da2b0749eeebb21854c77877736969e59f2John McCall 1817f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1818f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1819f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1820f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1821f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1822f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1823096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1824096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1825096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1826096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1827096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1828096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1829096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1830096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1831f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1832f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1833f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1834f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1835f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1836ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1837f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1838f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1839f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1840f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1841f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1842f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1843f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1844f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1845f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1846f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1847f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1848f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1849f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1850f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1851f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1852ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 185363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 18542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 18554c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor if (getQualifierLoc()) 18564c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 18574c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor if (hasExplicitTemplateArgs()) 18584c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 1859f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1860ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1861ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 186263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1863ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1864ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 1865ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 1866ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1867ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 1868ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 1869ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 18705953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 18715953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 18725953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 1873ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 1874a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 18755953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 1876865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 18775953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 18785953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 18795953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 1880865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 1881ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 1882a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 1883a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 1884865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 1885ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 1886ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 188700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 188800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 188900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 189000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 18915953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 1892f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Whether the name includes explicit template arguments. 1893f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool HasExplicitTemplateArgs; 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1895f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 189600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 18972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1898bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 1899f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1900f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 1901f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 190200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 19032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1904f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const TemplateArgumentListInfo *TemplateArgs = 0); 19055953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 190612dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 1907def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 190812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 190912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 19105953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 19112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 19122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 19132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 19142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 19155953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 19165953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 19172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 19185953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 191900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 192000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 192100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 192200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 192300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor 1924ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 1925ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 192600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifier *getQualifier() const { 192700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor return QualifierLoc.getNestedNameSpecifier(); 192800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1930f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 1931f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1933f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1934f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1935f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 193712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 193812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 193912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 194012dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 194112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 1942f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1943f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1944f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1945f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1946f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1948096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1949096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1950096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1951096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1952096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1953096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1954096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1955096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1956f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1957f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1958f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1959f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1960f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1961f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1962f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1963f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1964edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1966f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1967f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1968f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1970f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1971f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1972d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1973d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1974f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1975f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1976f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 197863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 197900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 1980f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 1981f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 1982f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1983edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1986f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 1987edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 1988f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 1989f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 199063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19914045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 19924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 19934045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 1994edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 19951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19964765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 19974765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 19984765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 19994765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// cleanups is temporary objects in C++, but several other C++ 20004765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// expressions can create cleanups. 20014765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 200202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 20031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2004ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson CXXTemporary **Temps; 2005ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson unsigned NumTemps; 200602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 20074765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(ASTContext &C, Expr *SubExpr, 20084765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall CXXTemporary **Temps, unsigned NumTemps); 20094765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall 201088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 20114765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(EmptyShell Empty) 20124765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall : Expr(ExprWithCleanupsClass, Empty), 2013d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner SubExpr(0), Temps(0), NumTemps(0) {} 2014d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 20154765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static ExprWithCleanups *Create(ASTContext &C, Expr *SubExpr, 20160ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson CXXTemporary **Temps, 20170ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson unsigned NumTemps); 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201988eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson unsigned getNumTemporaries() const { return NumTemps; } 2020d04ed416be7c55bddddab1fa3fd38a0113a6b3daTed Kremenek void setNumTemporaries(ASTContext &C, unsigned N); 2021d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 202288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary(unsigned i) { 202388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson assert(i < NumTemps && "Index out of range"); 202488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson return Temps[i]; 202588eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson } 2026f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary(unsigned i) const { 20274765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return const_cast<ExprWithCleanups*>(this)->getTemporary(i); 2028f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 2029d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(unsigned i, CXXTemporary *T) { 2030d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner assert(i < NumTemps && "Index out of range"); 2031d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner Temps[i] = T; 2032d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 20331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2035f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 203688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 203702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 203863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 203996be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 204096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 204102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 204202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 204302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 20444765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 204502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 20464765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 204702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 204802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 204963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 205002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 205102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2052d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2053d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2054d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2055d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2056d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2057d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// CXXUnresolvedConstructExpr have the form \c T(a1, a2, ..., aN), 2058d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// where \c T is some type and \c a1, a2, ..., aN are values, and 2059d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// either \C T is a dependent type or one or more of the \c a's is 2060d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2061d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2062d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2063d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2064d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2065d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2066d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2067d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2068d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2069d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2070d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2071d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2072d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2073d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2074d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2075ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2076ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2077d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2078d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2079d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2080d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2081d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2082d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2083d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2084d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2086ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2087d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2088d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2089d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2090d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2091d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 20928dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2093ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 20948dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2095ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2096ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2097d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 20981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2099ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2100d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2101d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2102d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2103d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2104d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21058dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 21068dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 21078dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2108d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2109d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2110ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2111d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2112ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Retrieve the type source information for the type being 2113ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2114ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2115ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2116d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2117d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2118d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2119d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2120d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2121d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2122d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2123d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2124d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2125d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2126d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2127d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2128d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2129d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2130d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2131d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2132d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21331dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 21341dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 21351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 21361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 21381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 21391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21401dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2141d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2142d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2143d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2144d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2145d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21461dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 21471dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 21481dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 21491dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21501dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 21518dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 21528dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 21538dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 21548dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 21558dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 215663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 2157ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2159d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2160d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2161d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2162d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2163d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 216463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 216563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 216663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 216763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2168d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2169d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2170ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2171ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2172ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2173aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2174aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2175aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2176aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2177865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 21781c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2179aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 21801c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 21811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2182aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2183aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2184aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2185aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 21861c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 21871c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 21883b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 21891c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 21903b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Whether this member expression has explicitly-specified template 21913b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// arguments. 2192aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool HasExplicitTemplateArgs : 1; 21931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 21951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 21961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2197a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 21987c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 21991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2200c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 22011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2202c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2203c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 220446bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2205c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2206865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2207c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22091c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 22101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2211a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 22122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2214865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2215aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22163b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22177c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 22183b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2220d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22221c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2223865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2224bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2225bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2226bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 22277c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2228bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2229bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2231865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 22321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2233aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22343b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22357c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 22363b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2238d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22408dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2241def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2242def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 22438dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2244aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2245aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2246aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 22474c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2248aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22491c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 22501c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2251aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2252aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2253aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2254aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 22551c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2256aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2257aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22581c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 22591c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 22601c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 22611c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 22621c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 22631c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 22641c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2265a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2266a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 22677c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifier *getQualifier() const { 22687c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor return QualifierLoc.getNestedNameSpecifier(); 22697c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22717c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 22727c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 22737c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 22747c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 22757c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2276c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2277c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2278c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2279c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2280c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 22811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2283c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2284c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2285c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 2286c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 2288c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 2289c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 22901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22911c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 22921c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 22932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 22942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 22952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 22962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 22972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 22982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 22992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 23001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 23021c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 23032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 23041c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23053b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 23063b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 2307aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool hasExplicitTemplateArgs() const { 2308aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return HasExplicitTemplateArgs; 23093b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231136c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 231236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2313096832c5ed5b9106fa177ebc148489760c3bc496John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 231436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis assert(HasExplicitTemplateArgs); 2315096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 231636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 231736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 231836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 231936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2320096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 232136c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 2322096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 2323096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2324096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2325096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2326096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2327096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2328096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2329096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2330096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 233136c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 233236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 2333d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 2334d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 2335d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2336096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 2337d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2338d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23398dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 23408dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 2341096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 23428dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 23438dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 23441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 23453b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// member name ('<'), if any. 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 2347096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 23483b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 23513b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 2352833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 2353096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 23543b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23563b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 23573b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 2359096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 23603b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 23633b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template arguments ('>'). 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 2365096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 23663b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 2369aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 2370aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2371aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 2372aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 23737c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2374aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2377aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 2378aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 2379aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23802577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 2381aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 23821c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 23831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2385865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 23861c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 2387865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 23881c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23891c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 239063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 239163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 239263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 239363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 23944045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 23954045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 23964045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 23971c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 23981c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2399129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 2400aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 2401aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2402aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 2403aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 2404aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 2405aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 2406aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 2407aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 2408aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2409aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 2410aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 2411aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 24127bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 2413129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 2414129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 2415129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 2416129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2417129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 2418129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 2419129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 2420129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 24237bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 24247bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 24257bb12da2b0749eeebb21854c77877736969e59f2John McCall 24267bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 24277bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 2428129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2429129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 2430129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 2431129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2432bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 2433aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2434129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 24354c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24375a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24385a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2439a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2440a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 2441a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 2442a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 2443129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 24444c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 24454c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor 2446129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 2447129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 2448bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 2449aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2450129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 24514c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24535a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24545a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2455129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2456a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 2457def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2458def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 2459a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2460aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2461aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2462aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 24634c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2464aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2465129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 2466129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 2467aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 2468aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2469aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2470aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 24712f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 24722f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 24732f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 24742f27bf854f0519810b34afd209089cc75536b757John McCall } 2475129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2476aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2477a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2478a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 2479a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 2480a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 2481aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2482129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 2483129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 2484129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 2485129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2486129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 2487129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 2488129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2489c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 2490c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 2491c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 24922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 24932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 24942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 24952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 2496129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 2497129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 24987bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 2499129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2500129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 2501129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 25027bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 2503129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25047bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25057bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name. 25067bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 25077bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25087bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 25097bb12da2b0749eeebb21854c77877736969e59f2John McCall } 25107bb12da2b0749eeebb21854c77877736969e59f2John McCall 25117bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25127bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name, if any. 25137bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 25147bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25157bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList *>(this + 1); 2516129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2517129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2518096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2519096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2520096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2521096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2522096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2523096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2524096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2525096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2526129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Copies the template arguments into the given structure. 2527129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 25287bb12da2b0749eeebb21854c77877736969e59f2John McCall getExplicitTemplateArgs().copyInto(List); 2529129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2530129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2531129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the left angle bracket following 2532129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the member name ('<'). 2533129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getLAngleLoc() const { 25347bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().LAngleLoc; 2535129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2536129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2537129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the template arguments provided as part of this 2538129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// template-id. 2539129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall const TemplateArgumentLoc *getTemplateArgs() const { 25407bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2541129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2542129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2543129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the number of template arguments provided as 2544129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// part of this template-id. 2545129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall unsigned getNumTemplateArgs() const { 25467bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2547129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2548129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2549129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the right angle bracket 2550129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// following the template arguments ('>'). 2551129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getRAngleLoc() const { 25527bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().RAngleLoc; 2553129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2554129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 255563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 25562577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 2557aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2558aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 25594c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 25604c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2561aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2562129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 2563129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 2564129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 2565129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2566129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2567129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 2568129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 2569129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2570129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 2571129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2572129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 257363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 257463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 257563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 257663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2577129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 2578129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 25802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 25812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 25822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 25832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 25842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 25852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 25862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 25872e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2588c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 2589c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 25902e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 25912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 25922e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 2593f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 2594f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 2595bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 2596bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 25976b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 25986b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 25996b219d082434394c1ac401390ec1d1967727815aSebastian Redl 26006b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 26016b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 26022e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 26032e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26042e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 26052e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 260663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 26072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26082e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 26092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26102e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 26112e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 26122e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 26132e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 26142e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26152e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 261663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 26172e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 26182e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2619be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \brief Represents a C++0x pack expansion that produces a sequence of 2620be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 2621be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2622be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 2623be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 2624be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2625be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 2626be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 2627be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 2628be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 2629be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 2630be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 2631be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2632be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 2633be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// pattern is \c static_cast<Types&&>(args). When the \c forward function 2634be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 2635be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 2636be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 2637be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 263867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 263967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 264067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 264167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 264267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 264367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 264467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 264567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 2646be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 2647be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2648be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 264967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 2650be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2651be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 265267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 265367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 2654be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 2655be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern->getObjectKind(), /*TypeDependent=*/true, 2656be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /*ValueDependent=*/true, /*ContainsUnexpandedParameterPack=*/false), 2657be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 265867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 2659be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 2660be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2661be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 2662be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2663be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2664be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 2665be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2666be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2667be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 2668be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2669be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 2670be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 2671be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 2672be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 267367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief Determine the number of expansions that will be produced when 267467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 267567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 267667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 267767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 267867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 267967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 268067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 268167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 268263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 268363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 268463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2685be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2686be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 2687be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 2688be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 2689be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 2690be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2691be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 269263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 269363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 269463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2695be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 2696be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 26977bb12da2b0749eeebb21854c77877736969e59f2John McCallinline ExplicitTemplateArgumentList &OverloadExpr::getExplicitTemplateArgs() { 26987bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 26997bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedLookupExpr>(this)->getExplicitTemplateArgs(); 27007bb12da2b0749eeebb21854c77877736969e59f2John McCall else 27017bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedMemberExpr>(this)->getExplicitTemplateArgs(); 27027bb12da2b0749eeebb21854c77877736969e59f2John McCall} 27037bb12da2b0749eeebb21854c77877736969e59f2John McCall 2704ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \brief Represents an expression that computes the length of a parameter 2705ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 2706ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 2707ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 2708ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 2709ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 2710ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 2711ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 2712ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 2713ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 2714ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 2715ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 2716ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2717ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 2718ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 2719ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2720ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 2721ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 2722ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2723ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 2724ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2725ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 2726ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 2727ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 2728ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 2729ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2730ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 2731ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 2732ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2733ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 2734ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 2735ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2736ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 2737ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 2738ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 2739ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2740ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 2741ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2742ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 2743ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2744ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2745ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 2746ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2747ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 2748ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 2749ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2750ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 2751ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 2752ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2753ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 2754ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2755ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2756ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 2757ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2758ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 2759ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 2760ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2761ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 2762ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 2763ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2764ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 2765ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 2766ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2767ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 2768ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2769ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2770ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 2771ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 2772ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2773ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 2774ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2775c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// This routine may only be invoked when the expression is not 2776c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 2777ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 2778ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor assert(!isValueDependent() && 2779ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 2780ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 2781ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2782ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 278363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 278463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 278563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2786ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2787ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 2788ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 2789ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2790ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 2791ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2792ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 279363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2794ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 2795c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2796c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 2797c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 2798c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 2799c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 2800c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 2801c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter lists, this node node is used to represent a non-type template 2802c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 2803c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 2804c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 2805c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 2806c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 2807c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 2808c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 2809c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 2810c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 2811c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2812c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 2813c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 2814c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 2815c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2816c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 2817c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 2818c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2819c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 2820c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 2821c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2822c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 2823c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtWriter; 2824c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2825c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 2826c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(QualType T, 2827c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 2828c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 2829c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 2830c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2831c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 2832c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 2833c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2834c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 2835c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 2836c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2837c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 2838c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 2839c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2840c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 2841c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 2842c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 2843c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 284463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return NameLoc; } 2845c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2846c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 2847c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 2848c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2849c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 2850c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return true; 2851c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2852c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2853c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 285463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2855c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 2856ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 28575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 28585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2860