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 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 18eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall#include "clang/AST/UnresolvedSet.h" 19d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall#include "clang/AST/TemplateBase.h" 2001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/ExpressionTraits.h" 2101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/Lambda.h" 2201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/TypeTraits.h" 23aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXConstructorDecl; 28aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXDestructorDecl; 29aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXMethodDecl; 30aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXTemporary; 31aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass TemplateArgumentListInfo; 324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 341060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek// C++ Expressions. 351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 373fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A call to an overloaded operator written using operator 383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax. 393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// Represents a call to an overloaded operator written using operator 413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax, e.g., "x + y" or "*p". While semantically equivalent to a 423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// normal call, this AST node provides better information about the 433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntactic representation of the call. 443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In a C++ template, this expression node kind will be used whenever 463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// any of the arguments are type-dependent. In this case, the 473fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function itself will be a (possibly empty) set of functions and 483fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function templates that were found by name lookup at template 493fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// definition time. 50b4609806e9232593ece09ce08b630836e825865cDouglas Gregorclass CXXOperatorCallExpr : public CallExpr { 51063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief The overloaded operator. 52063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind Operator; 53063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 54b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **args, unsigned numargs, QualType t, 57f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, SourceLocation operatorloc) 58cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, numargs, t, VK, 59f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 60063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor Operator(Op) {} 611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 62ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 65b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 66b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 67063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 68ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis void setOperator(OverloadedOperatorKind Kind) { Operator = Kind; } 69b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 70b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 71b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 72b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 73b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 74b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 75b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 76b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 77aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 81b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 82b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 83b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 84b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 8588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 8688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 8788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 8888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 8988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 9088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 9188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 9288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 9388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 9488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 951817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, Expr *fn, Expr **args, unsigned numargs, 96f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 97cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, numargs, t, VK, RP) {} 9888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 991817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 1001817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 1011817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 10288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 10388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 10488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 105b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek Expr *getImplicitObjectArgument() const; 106ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 107b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek /// Retrieves the declaration of the called method. 108b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek CXXMethodDecl *getMethodDecl() const; 10988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 110007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 111007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 112007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 113007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 114007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 115007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth CXXRecordDecl *getRecordDecl(); 116007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 11988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 12088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 12188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 12288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 123e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne/// CUDAKernelCallExpr - Represents a call to a CUDA kernel function. 124e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneclass CUDAKernelCallExpr : public CallExpr { 125e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneprivate: 126e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne enum { CONFIG, END_PREARG }; 127e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 128e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbournepublic: 129e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, Expr *fn, CallExpr *Config, 130e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne Expr **args, unsigned numargs, QualType t, 131e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne ExprValueKind VK, SourceLocation RP) 132e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, fn, END_PREARG, args, numargs, t, VK, 133e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne RP) { 134e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne setConfig(Config); 135e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 136e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 137e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, EmptyShell Empty) 138e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, END_PREARG, Empty) { } 139e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 140e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne const CallExpr *getConfig() const { 141e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return cast_or_null<CallExpr>(getPreArg(CONFIG)); 142e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 143e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CallExpr *getConfig() { return cast_or_null<CallExpr>(getPreArg(CONFIG)); } 144e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne void setConfig(CallExpr *E) { setPreArg(CONFIG, E); } 145e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 146e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const Stmt *T) { 147e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return T->getStmtClass() == CUDAKernelCallExprClass; 148e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 149e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const CUDAKernelCallExpr *) { return true; } 150e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne}; 151e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 15249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 15349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 15449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 15549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 15649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 15749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 15849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 15949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1621d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 163ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 165f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 166f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1671d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1681d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1691d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1701d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 17149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 172f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 173f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 174ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1751d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 176ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 17849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 17949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 180a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 181a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 182a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 183a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 1841d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 1851d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 186ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 187aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1881d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor return SourceRange(Loc, RParenLoc); 1891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 19149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 19249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 19349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 19449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 19549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 19649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 19749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 19849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 19949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 2001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 20149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXNamedCastExpr *) { return true; } 20249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 20349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 204ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// CXXStaticCastExpr - A C++ @c static_cast expression 205ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// (C++ [expr.static.cast]). 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 20849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 20949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 210f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 211f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 2121d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 213f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 2141d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 21549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 216f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 217f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 218f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 219f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 220f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 221f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 222f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 223ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2241d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 225f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 226f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 227ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 22949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 23049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 23149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXStaticCastExpr *) { return true; } 23249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 23349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 23449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 23649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 23849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 23949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 24049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 241f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 242f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2431d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 244f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2451d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 24649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 247f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 248f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 249f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 250f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 251f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 252f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 253f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 254ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2551d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 256ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 257f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 258f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 259ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2600fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2610fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 26349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 26449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 26549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXDynamicCastExpr *) { return true; } 26649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 26749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 26849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 26949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 27049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 27249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 27349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 27449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 275f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 276f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 277ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 2781d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 279f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2801d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 28149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 282f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 283f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 284f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 285f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 286f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 287f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 288f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 289ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 2901d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 291f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 292f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 293ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 29549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 29649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 29749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXReinterpretCastExpr *) { return true; } 29849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 29949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 30049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 30149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 30349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 30449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 30549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 306f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 307ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 3081d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 309ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3101d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 31149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 312ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 313f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 314f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 315f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 316f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 317f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 318ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3191d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 320f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 321ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 32349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 32449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 32549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXConstCastExpr *) { return true; } 3261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3289fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// UserDefinedLiteral - A call to a literal operator (C++11 [over.literal]) 3299fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// written as a user-defined literal (C++11 [lit.ext]). 3309fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3319fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Represents a user-defined literal, e.g. "foo"_bar or 1.23_xyz. While this 3329fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// is semantically equivalent to a normal call, this AST node provides better 3339fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// information about the syntactic representation of the literal. 3349fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3359fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Since literal operators are never found by ADL and can only be declared at 3369fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// namespace scope, a user-defined literal is never dependent. 3379fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithclass UserDefinedLiteral : public CallExpr { 3389fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// \brief The location of a ud-suffix within the literal. 3399fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation UDSuffixLoc; 3409fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3419fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithpublic: 3429fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith UserDefinedLiteral(ASTContext &C, Expr *Fn, Expr **Args, unsigned NumArgs, 3439fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith QualType T, ExprValueKind VK, SourceLocation LitEndLoc, 3449fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation SuffixLoc) 3459fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Fn, 0, Args, NumArgs, T, VK, 3469fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LitEndLoc), UDSuffixLoc(SuffixLoc) {} 3479fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith explicit UserDefinedLiteral(ASTContext &C, EmptyShell Empty) 3489fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Empty) {} 3499fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3509fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// The kind of literal operator which is invoked. 3519fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith enum LiteralOperatorKind { 3529fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Raw, ///< Raw form: operator "" X (const char *) 3539fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Template, ///< Raw form: operator "" X<cs...> () 3549fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Integer, ///< operator "" X (unsigned long long) 3559fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Floating, ///< operator "" X (long double) 3569fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_String, ///< operator "" X (const CharT *, size_t) 3579fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Character ///< operator "" X (CharT) 3589fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith }; 3599fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3609fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getLiteralOperatorKind - Returns the kind of literal operator invocation 3619fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// which this expression represents. 3629fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LiteralOperatorKind getLiteralOperatorKind() const; 3639fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3649fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getCookedLiteral - If this is not a raw user-defined literal, get the 3659fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// underlying cooked literal (representing the literal with the suffix 3669fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// removed). 3679fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith Expr *getCookedLiteral(); 3689fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const Expr *getCookedLiteral() const { 3699fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return const_cast<UserDefinedLiteral*>(this)->getCookedLiteral(); 3709fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3719fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3729fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 3739fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 3749fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 3759fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation getUDSuffixLoc() const { return getRParenLoc(); } 3769fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3779fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 3789fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 3799fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3809fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 3819fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 3829fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3839fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const UserDefinedLiteral *) { return true; } 3849fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3859fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 3869fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 3879fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 3889fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 3911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 3921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 3931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 3941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 396bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 397561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 398f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 3998b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 400eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 401eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 402eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 404eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 406aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 408eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 409eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 410eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4121060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 41763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4206e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4216e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4226e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4236e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4246e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 425bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 426561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 427f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4286e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 429eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 430eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 431eb7f96141f754150a92433286fa385910a22f494Sam Weinig 432aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4336e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 434eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 435eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 436eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4376e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4386e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4396e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4406e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 4416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 44263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4446e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 445c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 446c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 447c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 448c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 449c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 450c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 451c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 45257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 453c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 454c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 455c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 45657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 457f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 45857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 45957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 46057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 461bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 462561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 463bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 46457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 465ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 46657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 467f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4682850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 469bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4702850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 471bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 472561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 473bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 47457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 475c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 47614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 47714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 47814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 47914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 48014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 48114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 48214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 483ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 48457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 485ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 48657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 48757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 48857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 48957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 49057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 49157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 492c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 49357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 494c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 49514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 49614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 49714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 49814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 49914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 502c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 50357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 504c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 505ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 506030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 507030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 508030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 509030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 510ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 511aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 51214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 513ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 514c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 515c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 516c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 517c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 518c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 519c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 52063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 52163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 52263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 52363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 52463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 525c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 526c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 52701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 52801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 52901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 53001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 53101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 53201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 53301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 53401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 53501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 53601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 53701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5382e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 539bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 540561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 541bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 54201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 543ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 54401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5452e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 546bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 547561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 548bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 54901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 55001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 55101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 55201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 55301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 55401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 55501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 55601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 55701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 558ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 55901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 560ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 56101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 56201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 56301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 56401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 56501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 56601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 56701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 56801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 56901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 57001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 57201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 57301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 57401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 575ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 57601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 57701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 57901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 580ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 58201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 58301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 58401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 586aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 588ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 59201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 59401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 59563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 59663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 59763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 59863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 59963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 60101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 602796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 603796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 604796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 605796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 606796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 607796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 608796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 609796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 610796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 611796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 612796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 613796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 614796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 615828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 616ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 617796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 618828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 619f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6202850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6212850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 622bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 623561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 624bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 625828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 626796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6272fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6282fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6292fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6302fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6312fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 632aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 633796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 634828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 635828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 636ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 638796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 639796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 640796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 641796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 642796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 64363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 644796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 645796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6521060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 653bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 654bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 655ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 656bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 657ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6591060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 6601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 6611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 662bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 663bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 664bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 665561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 666bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 667bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 6682fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 6692fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6701060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 6711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 67242e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 67342e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 6741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 675bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 676bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 677bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 678bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 679bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 680bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 682aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 6841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 6851060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 6861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 6921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 69463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 69563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 69663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 6981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 70465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 70565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 706ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 70765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 70865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 70965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 711036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 712036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 713ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 714036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 715ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 71665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 71765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7182333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 719dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 720561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 721036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 72265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 724036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 725dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 726dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 727ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 728bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 72965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 73065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 731ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 733030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 734030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 735ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 738036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 739036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 740036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 741f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 74365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 74465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 746036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 747ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 74865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 749ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 75165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 75265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 75665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 75765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 758ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 75965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 760ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 76165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 76265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 763ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 76465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 7651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 767036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 768036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 769ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 770aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 7721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 7731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 7741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 7781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 7801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 78263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 7838a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 78460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 7853397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 7861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 787987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 788c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 789c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 790c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 791b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 793b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 794c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 795c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 796c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 798b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 800f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 80176f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 80276f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 80376f3f69db1416425070177243e9f390122c553e0Richard Smith } 804c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 805fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 806ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 807ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 808ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 809ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 810ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 811ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 812ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 813ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 814ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 815ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 816ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 817ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 818ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 819ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 820fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 821fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 823fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 824fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 825bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 826bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 827ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 828bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 829561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 830bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 831bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 83288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 833fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 834d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 835d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 836ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 838fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 841f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 842d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 843f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 844fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 845fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 84688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 847fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 848aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 84996be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 85096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 851fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 852fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 853fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 854fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 855fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 856fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 857fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 858fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 85963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 860fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 861fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 86215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson/// CXXConstructExpr - Represents a call to a C++ constructor. 86315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 86472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 86572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 86672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 86772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 868059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 869059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 87072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 871ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 87272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 87315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 87415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 87599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 876428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 877a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 87816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 8797cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 8805b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 88116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 88272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 88315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 88799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 888bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 88916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 8907cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 8915b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 8925b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 8935b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 8945b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 895bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 8966d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 8976d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 8985b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 8995b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9005b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9015b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9026d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 90315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9046d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9066d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9075b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9085b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9095b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9105b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9116d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9128e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 91399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 91516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 9167cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9175b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9185b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9195b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9205b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 922d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 92339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 924ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 92599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 92699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 927ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 928d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 929d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 93039da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9317cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9327cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9337cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9347cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9357cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9367cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9375b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9385b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9395b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9405b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 94116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 94216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 94316006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 94416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 94516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 94616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 947ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9489db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9499db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 95024eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 95124eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 95272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 953ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 95472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 95572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 956ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 95715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 95815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 96115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 96215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 96315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 96415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 965a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 96615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 96715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 968bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 969bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 970bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 971bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 972bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 973bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 974bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 975bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 976bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9782eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 9792eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 9802eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 9812eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 9822eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 9832eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 984aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 985428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 98615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 988524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 989524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 99015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 99115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 99463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 99563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 99663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9976d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 99860adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 99915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 100015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 100149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXFunctionalCastExpr - Represents an explicit C++ type conversion 100249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// that uses "functional" notion (C++ [expr.type.conv]). Example: @c 100349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// x = int(0.5); 100449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1005987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1006987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1007f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1008f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1009f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1011f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1012ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1013f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1014f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10150aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10160aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1017f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1018f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1019f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1020f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1021f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1022f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1023f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1024f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1025f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1026f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1027f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1028f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1029f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1030ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1031987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1032ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1033987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1034ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1036aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1037987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 1038987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1041987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1042987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 1043987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1044987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1045506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1046506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1047506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1049506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1050ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1051ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1052506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1053506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1054506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1055506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1056506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1057506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1058506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1059506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1060524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1061ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1062506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1063506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1065ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 1067428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 10687cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 10691c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 10706d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1071ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1072506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1073ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1074ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 1075aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1076ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1078506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1079506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 1080506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 10816d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 108260adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1083506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1084506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 108501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 108601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 108701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 108801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 108901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 109001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 109101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 109201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor// [=](double value) { return value > cutoff; }); 109301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 109401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 109501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 109601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 109701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 109801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 109901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 110001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 110101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 110201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 110301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 110401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 110501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 110601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 110701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 110801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 110901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 111001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 111101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 111201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 111301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 111401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 111501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11167ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11177ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11187ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 111901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 112001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 112101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 112201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 112301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 112401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 112501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 112601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1127dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1128dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1129dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1130dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1131dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11327ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11337ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 113401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 113501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 113601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 113701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 113801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 113901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 114001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11447ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11457ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11467ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11477ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 114801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 114901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 115001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 115101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 115201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 115301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11549daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 115501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 11579daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 116001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 116201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 116401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 116601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 116801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 117201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 117301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 117401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 117501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 117601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 117701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 117801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 117901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 118001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 118101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 118201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 119001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 119101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 119201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 119901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 120201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1230dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12329daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12339daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1234f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12369d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12379d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12389d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12399d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12409d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12419d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12429d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12439d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12447ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12457ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12467ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12477ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12487ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12497ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12507ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12517ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12527ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12547ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 12557ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 12567ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 12577ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor getArrayIndexStarts() + NumCaptures + 1); 12587ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12597ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 126001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 126101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 126201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 126301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 126401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 126501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 126601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 126701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1268dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 126901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12709daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12719daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1272f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 127301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12749d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 12759d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 12769d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 12779d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 12789d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 127901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 128001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 128101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 128201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 128301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 128401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 128501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 128601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 128701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 128801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1289da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 129001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 129101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 129201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1293da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 129401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12957ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 12967ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 12977ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 129801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 129901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1300da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 130101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 130201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 130301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1304da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 130501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 130601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 130701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1308da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 130901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 131101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1312da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 131501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 131601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 131701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 131901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13207ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13217ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13227ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 132301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 132576e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13267ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13277ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13287ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 132901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13309daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13319daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13329daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13339daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13349daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13359daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13369daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 133701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 133801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 133901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 134001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 134101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 134301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 134401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 134501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 134601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 134801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 134901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 135001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 13529d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 135301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 135501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 135601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 135701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 135901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 136001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 136101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1362dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1363dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 13649e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 136501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 136601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 136701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 136801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const LambdaExpr *) { return true; } 136901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1370aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 137101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return SourceRange(IntroducerRange.getBegin(), ClosingBrace); 137201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 137301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13747ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 13757ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 13767ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 137701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 137901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 138001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 138101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1382ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1383506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1384ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1385987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1386ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1387987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1388ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1389987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1390ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1391ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1392987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1393ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1394ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1395ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1396ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1397ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1398f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1399561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1400ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1401ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1402ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1403ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1405ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1406ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14074c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1408ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1409ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14104c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 1411aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1414ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1415987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1416ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1418987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 141963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1420987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1421987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXNewExpr - A new expression for memory allocation and constructor calls, 14234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// e.g: "new CXXNewExpr(foo)". 14244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14252aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14262aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the allocation function used. 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the deallocation function used in case of error. May be null. 14314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14331bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14341bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1435ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1436ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14374bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14384bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1439ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14402aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Location of the first token. 14414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 14422aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14432aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14442aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1446d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1447d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1448d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1449d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1450d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1451d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1452d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1453d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1454d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1455d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1456d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1457d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1458d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1459d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 146060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 14612aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 14624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 14632aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 14642aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 14652aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 14662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 14672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 14682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1469ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 14701548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 14712aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr **placementArgs, unsigned numPlaceArgs, 14722aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 14732aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 14746ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 14752aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation startLoc, SourceRange directInitRange); 14765921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 14775921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 14785921863d8f24084797863b5df37842113bac4352Chris Lattner 14795921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 14802aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1482cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1483cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 14846217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1485cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14871bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 14881bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 14891bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1490c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1491c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1492c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1493c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1494c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1495c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1496c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1497c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1498c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1499c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15008026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1501ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15035921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15055921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1507cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1508cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1509cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1510cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1511cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1512cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1513cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1514cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1516ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15172aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1518aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1519ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15222aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15262aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15294bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15304bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15314bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15337cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15342aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15352aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15361548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15372aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15382aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15392aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15402aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15412aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15421548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15431548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15442aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15452aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15462aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15471548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15482aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 15492aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15501548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15511548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1552feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 1553feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay const CXXConstructExpr* getConstructExpr() { 1554feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1555feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1556feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 15572aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 15582aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 15592aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 15602aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 15612aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 15622aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15631548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 15654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 15682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 15712aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 15742aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 15772aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15805921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 15815921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 15825921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 15832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15845921863d8f24084797863b5df37842113bac4352Chris Lattner } 15855921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 15862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 15872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15882aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15905921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 15912aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation getEndLoc() const; 1592428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 15932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1594428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1595aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 15962aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SourceRange(getStartLoc(), getEndLoc()); 15974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 16034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 160563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16062aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 160763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXDeleteExpr - A delete expression for memory deallocation and destructor 16114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// calls, e.g. "delete[] pArray". 16124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1613d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1614d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1615d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1616d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1617d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1618d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16234076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16244076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16254076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16264076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16276ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16286ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16296ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16326ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16336ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1634bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1635561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1636bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1637d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1638f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16394076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1640d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 164195fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 164295fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16464076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16486ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 16496ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 16506ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 16516ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 16526ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 16536ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 16546ec278d1a354517e20f13a877481453ee7940c78John McCall } 16556ec278d1a354517e20f13a877481453ee7940c78John McCall 16564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 16574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 16594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 16604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1661a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1662a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1663a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 16645833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1665ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1666aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 16684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 16724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 16744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 167663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1677f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1678f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 16794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Structure used to store the type being destroyed by a 1682a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// pseudo-destructor expression. 1683a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1684ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1685a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1686a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1687ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1688a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1689a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1690ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1691a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1692a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1693ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1694a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1695a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1696ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1697a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1698ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1699ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1700ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1701a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1703a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1704a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1705a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1706ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1707a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1708a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1709ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1710a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1711a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1712e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1713ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1714e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1715e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1716e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1717e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1718e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1719e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1720e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1721e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1722a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1723e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1724ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1725a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1727a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1728e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1729a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1730a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1731a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1732e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1733e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1734a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1735a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1736a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1738a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1739a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1740a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1742a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1743a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1744ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1745a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1746f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1748e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1749e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1750e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1751ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1752ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1753e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1754e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1756fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1757fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1758ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1759ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1760a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1761a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1763f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1765a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1766a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1767a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1768f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1769e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1770e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1771fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1772e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 17731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1774de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1775de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1776f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1777de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1778a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1781a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1782a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1783f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 17841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1785f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1786f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1787f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1788ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1790a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1791a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1792ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1793ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1794f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 17951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1796a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1797a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1798a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1799a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1800a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1801a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1803ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1804e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1805e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1806e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1807e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1808e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1809ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1810e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1811e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 181226d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1814e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1815e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1816e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1817ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1818fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1819fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1820ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 182126d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 182226d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1823a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1824ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1825a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1826a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1827a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1828ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1829ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1830a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1831ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1832a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1833a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1834a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1835a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1836a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1837a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1838ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1839a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1840a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1841ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1842a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1843ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1844ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1845a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1847de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1848de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1849de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1850de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1851de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1852de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1853de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1854de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1855de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1856de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1857de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1858aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 18591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1861a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1862a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1863a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 18641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1865a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 186663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1867a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 186964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// UnaryTypeTraitExpr - A GCC or MS unary type trait, as used in the 187064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// implementation of TR1/C++0x type trait templates. 187164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 187264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_pod(int) == true 187364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_enum(std::string) == false 187464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 18750dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 18760dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 18770dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 18780dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 187964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 188064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 188164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 188264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 188364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 188464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 188564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 18860dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 18873d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 188864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 188964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1890ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 18910dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 189264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1893f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1894bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1895561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1896bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 18970dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 189864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 18996d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19000dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19013d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19026d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 1903aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 190464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19050dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 190664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19073d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 190864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19093d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1910ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19110dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 191264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 191364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 191464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 191564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 191664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 191764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 191864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 191963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19206d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 192160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 192264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19246ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// BinaryTypeTraitExpr - A GCC or MS binary type trait, as used in the 19256ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// implementation of TR1/C++0x type trait templates. 19266ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19276ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// __is_base_of(Base, Derived) == true 19286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 19456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 19466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 1948ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 1949ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 19506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 1951ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 19526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1953bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1954561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 1955561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 1956bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1957bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 19586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 19596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 19606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 19636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1964f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 19656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 1966aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 19676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 19716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 19726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 19756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 19766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 19786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 1979ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 19816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 19836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 198863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 19916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 19944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 19954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 19964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 19974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 19984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 19994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20004ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20144ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20154ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20164ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20174ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20184ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20194ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20274ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20284ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20294ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20324ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20334ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20344ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20354ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2074aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParenLoc); } 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const TypeTraitExpr *) { return true; } 20804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 208921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// ArrayTypeTraitExpr - An Embarcadero array type trait, as used in the 209021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// implementation of __array_rank and __array_extent. 209121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 209221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// __array_rank(int[10][20]) == 2 209321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// __array_extent(int, 1) == 20 209421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 209599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 209699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 209721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// ATT - The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 209821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 209921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The value of the type trait. Unspecified if dependent. 210121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 210221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The array dimension being queried, or -1 if not used 210421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 210521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// Loc - The location of the type trait keyword. 210721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 210821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// RParen - The location of the closing paren. 211021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 211121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The type being queried. 211321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 211421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 211621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 211721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 211821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 211921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 212021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2121561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2122561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 212321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 212421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 212521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 212621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 212721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 212821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 212921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 213021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 213121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 213225aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 213325aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 2134aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar virtual SourceRange getSourceRange() const LLVM_READONLY { 2135ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return SourceRange(Loc, RParen); 2136ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 213721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 213821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 213921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 214121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 214321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 214721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 214921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 215021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 215121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const ArrayTypeTraitExpr *) { return true; } 215221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 215521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 215821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 2159552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// ExpressionTraitExpr - An expression trait intrinsic 2160552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 2161552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// __is_lvalue_expr(std::cout) == true 2162552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// __is_lvalue_expr(1) == false 2163552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 2164552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// ET - The trait. A ExpressionTrait enum in MSVC compat unsigned. 2165552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 2166552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// The value of the type trait. Unspecified if dependent. 2167552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2168552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2169552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// Loc - The location of the type trait keyword. 2170552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2171552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2172552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// RParen - The location of the closing paren. 2173552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2174552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2175552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2176552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2177ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2178552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2179552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2180552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2181552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2182552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2183552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2184561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2185552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2186ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2187ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2188552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2189552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2190552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2191552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2192552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2193aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 2194552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2195552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2196552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2197552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2198552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2199552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2200552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2201552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2202552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2203552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2204552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const ExpressionTraitExpr *) { return true; } 2205552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2206552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2207552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2208552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2209552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2210552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2211552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2212552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22137bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 22147bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \t UnresolvedLookupExpr or an \t UnresolvedMemberExpr. 22157bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 2216d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// The common name of these declarations. 2217d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2218d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2219d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2220d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2221d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2222ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22237bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22247bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2225928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2226928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2227928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2228ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2229a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2230e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2231e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2232e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2233e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2234e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2235e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2236e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2237e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2238e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2239e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2240e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22417bb12da2b0749eeebb21854c77877736969e59f2John McCall 2242bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 22434c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2244e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 22452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2246bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2247bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2248561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2249561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2250561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 22517bb12da2b0749eeebb21854c77877736969e59f2John McCall 2252a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2253d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2254d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2255a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2256bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2257bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2258bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 22597bb12da2b0749eeebb21854c77877736969e59f2John McCall 2260bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 22619c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 22629c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 22639c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 22649c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 22659c72c6088d591ace8503b842d39448c2040f3033John McCall }; 22669c72c6088d591ace8503b842d39448c2040f3033John McCall 22677bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 22687bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 22697bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 22709c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 22719c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 22729c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 22737bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 22747bb12da2b0749eeebb21854c77877736969e59f2John McCall 22759c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 22769c72c6088d591ace8503b842d39448c2040f3033John McCall 22777bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 22789c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 22799c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 22809c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 22819c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 22829c72c6088d591ace8503b842d39448c2040f3033John McCall 22839c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 22849c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 22859c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 22869c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 22879c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 22889c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 22899c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 22909c72c6088d591ace8503b842d39448c2040f3033John McCall } 22919c72c6088d591ace8503b842d39448c2040f3033John McCall 22929c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 22937bb12da2b0749eeebb21854c77877736969e59f2John McCall } 22947bb12da2b0749eeebb21854c77877736969e59f2John McCall 2295e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall /// Gets the naming class of this lookup, if any. 2296e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2297e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 22987bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2299928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2300ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2301928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2302928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2303ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23047bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the number of declarations in the unresolved set. 2305928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23067bb12da2b0749eeebb21854c77877736969e59f2John McCall 23072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Gets the full name info. 23082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23107bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the name looked up. 23112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23127bb12da2b0749eeebb21854c77877736969e59f2John McCall 23137bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the location of the name. 23142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23157bb12da2b0749eeebb21854c77877736969e59f2John McCall 23167bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the nested-name qualifier, if one was given. 2317ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2318ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23194c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23207bb12da2b0749eeebb21854c77877736969e59f2John McCall 2321ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Fetches the nested-name qualifier with source-location information, if 23224c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// one was given. 23234c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23247bb12da2b0749eeebb21854c77877736969e59f2John McCall 2325e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2326e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2327e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2328e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2329e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2330e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2331e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2332e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2333e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2334e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2335e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2336e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2337e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2338e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2339e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2340e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2341e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2342e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2343e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2344e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23457bb12da2b0749eeebb21854c77877736969e59f2John McCall 2346e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2347e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2348e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2349e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether this expression had explicit template arguments. 2350e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2351e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2352e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2353e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2354e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2355e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2356e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2357e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2358e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2359e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23607bb12da2b0749eeebb21854c77877736969e59f2John McCall 2361b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 23627bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 23637bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23647bb12da2b0749eeebb21854c77877736969e59f2John McCall 2365e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2366e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2367e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2368e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2372e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Copies the template arguments into the given structure. 2374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2378096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2379096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2380096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2381b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2382096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2383096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 23847bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23857bb12da2b0749eeebb21854c77877736969e59f2John McCall 23867bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 23877bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 23887bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 23897bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23907bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 23914045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 23924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 23934045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 23947bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 23957bb12da2b0749eeebb21854c77877736969e59f2John McCall 23967bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 23977bb12da2b0749eeebb21854c77877736969e59f2John McCall/// parsing but could not resolve to a specific declaration. This 23987bb12da2b0749eeebb21854c77877736969e59f2John McCall/// arises in several ways: 23997bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24007bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24017bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24027bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24037bb12da2b0749eeebb21854c77877736969e59f2John McCall/// These never include UnresolvedUsingValueDecls, which are always 24047bb12da2b0749eeebb21854c77877736969e59f2John McCall/// class members and therefore appear only in 24057bb12da2b0749eeebb21854c77877736969e59f2John McCall/// UnresolvedMemberLookupExprs. 24067bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2407ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2408ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2409ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2410ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2411ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2412ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be considered an associated namespace 2413ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// for the purposes of argument-dependent lookup. See C++0x [stmt.ranged]p1. 2414ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace; 2415ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 24167453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24177453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24187453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24197453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24207bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24237bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24247bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24257bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2426f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2427ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2428928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24294c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2430e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2432ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2433bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2434ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2435ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace) 2436e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2437e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2438ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2439ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace(StdIsAssociatedNamespace), 2440ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2441ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2442ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2443bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2444bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2445ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(false), StdIsAssociatedNamespace(false), Overloaded(false), 2446ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith NamingClass(0) 2447bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2448bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 24494c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2450ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2451ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2452ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2453c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24544c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 24565a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2457ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2458ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator End, 2459ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace = false) { 2460ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert((ADL || !StdIsAssociatedNamespace) && 2461ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith "std considered associated namespace when not performing ADL"); 2462e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2463e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2464ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith ADL, Overloaded, 0, Begin, End, 2465ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace); 2466ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2467ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2468f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2469c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24704c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2471e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2473f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 24749d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2475ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 24765a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2477f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2478bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2479e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2480bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2481bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2482ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2483ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2484ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2485ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2486ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be artificially added to the set of 2487ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// associated namespaecs for argument-dependent lookup purposes. 2488ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool isStdAssociatedNamespace() const { return StdIsAssociatedNamespace; } 2489ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 24907453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 24917453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 24927453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2493c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2494c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2495c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2496c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2497c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 2498aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 24992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 2500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (getQualifierLoc()) 25014c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2502ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 25034c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 2504f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2505ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2506ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 250763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2508ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2509ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2510ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2511ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2512ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 2513ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2514ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25155953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25165953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25175953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2518ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2519a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25205953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2521865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25225953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25235953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25245953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2525865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2526ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2527a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2528a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2529865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2530ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2531ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 253200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2533ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 253400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 253500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25365953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2537e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2538e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2539e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2540e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2541e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2542e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2543e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2544e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2545e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2546e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2547e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2548e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2549e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2550e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2552f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 255300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2554e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2556bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2557f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2558f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2559f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 256000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2561e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25622577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2563e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 25645953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 256512dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2566e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 256712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 256812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 25695953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 25702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 25712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 25722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 25732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 25745953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 25755953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 25762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 25775953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 257800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 257900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 258000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2581ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2582ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2583ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2584ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2585ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2586ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 258700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2589e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2590e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2591e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2592e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2593e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2594e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2595e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2596e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2597e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2598e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2599e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2600e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2601e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2602e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2603e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2604e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2605e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2606e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2607e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2608e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2609e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2610e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2611e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2612e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2613f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2614e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2616f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2617f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2618f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2620b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 262112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2622b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 262312dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 262412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2625f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2626b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2627f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2628b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2629f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2631096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2632096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2633096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2634b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2635096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2636096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2637096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2638096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2639f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2640f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2641f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2642f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2643f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2644ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2645f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2646f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2647d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2648d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2649f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2650f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2651f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2653aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 265400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 2655f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 2656f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 2657f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2658edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 26591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2661f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2662edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2663f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 2664f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 266563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 26664045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 26674045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 26684045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2669edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 26701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26714765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 26724765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 26734765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 267480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 267580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 267680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 267780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 267880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 267980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 268080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 26814765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 268280ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 268380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 268480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 268580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 268680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 268780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 268880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 268980ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 269002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 26911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 269380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 269402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 269580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 269680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 269780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 269880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 269980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 270080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 270180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 270388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 270480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 270580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 270780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 270880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2709ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 271080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 271180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2712f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 271380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 271480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 271580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 271680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 271780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 271880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2719d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2722f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 272580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 272688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 272702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2728aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 272996be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 273096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 273102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 273202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 273302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27344765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 273502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 27364765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 273702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 273802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 273963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 274002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 274102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2742d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2743d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2744d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2745d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2746d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2747d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// CXXUnresolvedConstructExpr have the form \c T(a1, a2, ..., aN), 2748d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// where \c T is some type and \c a1, a2, ..., aN are values, and 2749d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// either \C T is a dependent type or one or more of the \c a's is 2750d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2751d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2752d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2753d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2754d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2755d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2756d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2757d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2758d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2759d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2760d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2761d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2762d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2763d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2764d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2765ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2767d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2768d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2769d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2770d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2771d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2772d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2773d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2774d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 27751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2776ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2777d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2778d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2779d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2780d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2781d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 27828dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2783ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 27848dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2785ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2786ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 27881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2789ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2790d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2791d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2792d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2793d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2794d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 27958dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 27968dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 27978dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2798d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2799d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2800ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2801d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2802ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2803ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2804ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2805ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2806d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2807d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2808d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2809d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2810d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2811d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2812d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2813d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2814d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2815d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2816d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2817d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2818d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2819d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2820d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2821d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2822d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28231dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28241dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28251dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28261dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28271dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28281dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28291dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28301dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2831d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2832d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2833d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2834d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2835d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28401dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28418dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28428dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28438dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28448dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28458dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2846aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 2847ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2849d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2850d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2851d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2852d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2853d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 285463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 285563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 285663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 285763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2858d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2859d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2860ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2861ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2862ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2863aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2864aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2865aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2866aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2867865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 28681c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2869aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 28701c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 28711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2872aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2873aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2874aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2875aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 28761c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 28771c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 28783b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 28791c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2880e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2881e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2882e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 28831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28841c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 28851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 28861c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2887a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 28887c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 28891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2890c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 28911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2892c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2893c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 289446bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2895c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2896865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2897c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 28981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28991c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2901a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2904e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2905e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2906e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2907e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2908e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2909e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2910e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2911e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2912e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2913e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2914e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2915865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2916aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29173b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29187c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2919e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29203b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2922d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29241c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2925865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2926bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2927bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2928bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29297c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2930bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2931bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2933865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2935aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29363b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29377c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2938e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29393b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2941d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29438dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2944e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2945def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29468dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2947aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2948aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2949aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29504c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2951aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29521c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29531c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2954aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2955aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2956aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2957aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 29581c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2959aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2960aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29611c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 29621c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 29631c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 29641c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 29651c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 29661c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 29671c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2968a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2969a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 2970ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2971ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 29727c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 29731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29747c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 29757c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 29767c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2977ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2978ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2979c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2980c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2981c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2982c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2983c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2986c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2987c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2988c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 2989c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 29901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 2991c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 2992c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 29931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 29951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 29962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 29972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 29982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 29992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30031c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30041c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3008e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3009e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3010e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3011e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3012e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3013e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3014e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3015e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3016e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3017e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3018e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3019e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3020e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3021e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3022e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3023e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3024e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3025e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3026e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3027e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3028e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3029e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3030e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3031e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30323b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30333b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3034e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 303636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 303736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3038b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3039e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3040b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 304136c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 304236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 304336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 304436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3045b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 304636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3047096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3048096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3049096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3050096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3051096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3052096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 3053b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 3054096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3055096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 305636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 305736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3058d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3059d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3060d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3061096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3062d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3063d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 30648dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 30658dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3066096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 30678dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 30688dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 30693b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 30703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3071833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3072096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 30733b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30753b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 30763b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 30771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3078096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 30793b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3081aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3082aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 3083aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3084aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 3085aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 30867c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3087aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 30882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 30891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3090aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 3091aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 3092aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 30932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 3094aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 30951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 30961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3098865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 30991c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 3100865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 31011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31021c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 310363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 310463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 310563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 310663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31074045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31084045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31094045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31111c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3112129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3113aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3114aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3115aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3116aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3117aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3118aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3119aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3120aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3121aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3122aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3123aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3124aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31257bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3126129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3127129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3128129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3129129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3130129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3131129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3132129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3133129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31347bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31357bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31367bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31377bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31387bb12da2b0749eeebb21854c77877736969e59f2John McCall 31397bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31407bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3141129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3142129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3143129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3144129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3146aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3147129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31484c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3149e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31515a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31525a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3153ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3154a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3155a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3156a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3157129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31584c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3159ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3160129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3161129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3162bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3163aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3164129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31654c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3166e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31672577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31685a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31695a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3171a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3172e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3173def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3174a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3175aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3176aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3177aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 31784c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3179aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3182aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3183aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3184aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3185aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 31862f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 31872f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 31882f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 31892f27bf854f0519810b34afd209089cc75536b757John McCall } 3190129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3191aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3192a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3193a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3194a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3195a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3196aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3197129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3198129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3199129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3200129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3201129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3202129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3203129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3204c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3205c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3206c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3211129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3212129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32137bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3214129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3215129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3216129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32177bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3218129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3219aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 32202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 3221aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3222aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 32234c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 32244c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3225aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3226129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 3227129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 3228129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 3229129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3230129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3231129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3232129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3233129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3234129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 3235129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3236129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 323763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 323863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 323963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 324063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3241129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3242129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32432e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32442e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32452e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32462e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32472e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32482e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32492e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32502e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32512e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3252c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3253c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32542e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32552e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32562e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3257f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3258f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3259bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3260561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3261bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 32626b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 32636b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 32646b219d082434394c1ac401390ec1d1967727815aSebastian Redl 32656b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 32666b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 32672e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 32682e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32692e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 32702e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3271aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 32722e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32732e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 32742e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32752e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 32762e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 32772e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 32782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 32792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 328163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 32822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 32832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3284ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3285be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3286be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3287be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3288be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3289be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3290be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3291be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3292be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3293be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3294be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3295be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3296be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3297be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3298ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3299be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3300be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3301be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3302be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3303ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 330467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 330567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 330667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 330767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 330867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 330967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3310ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3311be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3312ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3313be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 331467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3315ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3316be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 331767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 331867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 3319ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3320ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3321561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3322561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3323be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 332467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3325be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3326be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3327be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3328ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3329be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3330be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3332be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3334be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3335be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3336be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3337be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3338ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3339ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 334067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 334167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 334267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 334367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3344ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 334567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 334667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3347ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3348aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 334963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 335063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3351be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3352be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3353be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3354be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3355be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 3356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3357be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 335863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 335963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 336063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3361be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3362ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3363e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3364e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 33657bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3366e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3367e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 33687bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 33717bb12da2b0749eeebb21854c77877736969e59f2John McCall} 33727bb12da2b0749eeebb21854c77877736969e59f2John McCall 3373ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3374ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3375ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3376ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3377ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3378ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3379ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3380ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3381ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3382ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3383ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3384ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3385ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3386ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3387ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3388ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3389ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3390ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3391ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3392ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3393ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3394ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3395ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3396ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3397ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3398ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3399ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3400ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3401ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3402ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3403ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3404ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3405ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3406ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3407ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3408ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3409ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3410ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3411ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3412561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3413ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3414ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3415ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3416ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3418ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3419ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3422ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3424561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3425ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3426ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3428ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3429ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3430ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3431ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3432ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3435ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3437ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3438ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3439ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3440ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3441ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3442ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3443ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3444ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3445ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3446ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3447c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3449ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3450ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3452ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3453ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3454aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 345563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 345663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3457ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3459ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3460ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3461ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 3462ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3463ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 346463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3465ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3466c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 346791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 346891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 346991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 347091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 347191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 347291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 347391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 347491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 347591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 347691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 347791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 347891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 34797110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 34807110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 34827110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 34837110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 348491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3485ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 348691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 348791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 348891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 348991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 349091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 349191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 349291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 349391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 349491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 349591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 349691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 3497aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 349891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 349991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 350191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 350291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 350491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 350591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3506ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmExpr *) { 3507ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 350891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3509ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 351091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 351191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 351291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 351391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3514c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3515c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3516c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3517c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3518c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3519ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// parameter lists, this node node is used to represent a non-type template 3520c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3521c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3522c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3523c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3524c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3525c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3526c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3527c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3528c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3529ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3530c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3531c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3532c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3533ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3534c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3535c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3536ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3537c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3538c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3539ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35407110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3541c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35437110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3544ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3545c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3546ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3547c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3548c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3549c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3550ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3552c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3553c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3556ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3559c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3560c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3561aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 3562ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3563c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3564c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3565c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3566ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 3567ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 3568c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3569ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3570c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 357163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3572c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 357303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 357403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 357503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 357603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 357703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 357803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 357903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 358003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 358103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 358203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 358303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 358403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 358503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 358603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 358703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 358803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 358903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 359003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 359103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 359203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3593d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 359503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 359603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 359803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3599ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3600b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3601b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 360203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 360303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3604561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 360503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 360603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3607ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3608ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 360903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3610ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 361103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 361203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 361303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3614ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 361503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 361603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3617ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 361803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 361903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3620ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3621aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3622aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar return Temporary->getSourceRange(); 3623aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3624ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 362503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 362603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 362703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3628ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const MaterializeTemporaryExpr *) { 3629ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 363003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3631ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 363203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 363303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 363403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3635ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 36365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 36375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3639