ExprCXX.h revision fe865f1f35d1b91f42f58f08a1399b961b71b3bc
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; 534548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange Range; 54063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 554548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRangeImpl() const LLVM_READONLY; 56b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **args, unsigned numargs, QualType t, 59f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, SourceLocation operatorloc) 60cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, numargs, t, VK, 61f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 624548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis Operator(Op) { 634548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis Range = getSourceRangeImpl(); 644548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis } 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 66ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 69b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 70b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 71063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 72b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 73b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 74b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 75b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 76b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 77b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 78b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 79b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 804548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRange() const { return Range; } 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 84b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 85b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 864548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis 874548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtReader; 884548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtWriter; 89b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 90b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 9188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 9288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 9388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 9488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 9588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 9688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 9788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 9888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 9988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 10088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 1011817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, Expr *fn, Expr **args, unsigned numargs, 102f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 103cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, numargs, t, VK, RP) {} 10488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 1051817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 1061817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 1071817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 10888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 10988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 11088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 111b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek Expr *getImplicitObjectArgument() const; 112ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 113b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek /// Retrieves the declaration of the called method. 114b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek CXXMethodDecl *getMethodDecl() const; 11588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 116007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 117007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 118007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 119007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 120007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 1210cf3c0eecbff007cea2750c113894b47d9e09f33David Blaikie CXXRecordDecl *getRecordDecl() const; 122007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 1231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 12588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 12688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 12788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 12888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 129e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne/// CUDAKernelCallExpr - Represents a call to a CUDA kernel function. 130e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneclass CUDAKernelCallExpr : public CallExpr { 131e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneprivate: 132e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne enum { CONFIG, END_PREARG }; 133e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 134e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbournepublic: 135e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, Expr *fn, CallExpr *Config, 136e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne Expr **args, unsigned numargs, QualType t, 137e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne ExprValueKind VK, SourceLocation RP) 138e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, fn, END_PREARG, args, numargs, t, VK, 139e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne RP) { 140e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne setConfig(Config); 141e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 142e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 143e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, EmptyShell Empty) 144e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, END_PREARG, Empty) { } 145e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 146e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne const CallExpr *getConfig() const { 147e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return cast_or_null<CallExpr>(getPreArg(CONFIG)); 148e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 149e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CallExpr *getConfig() { return cast_or_null<CallExpr>(getPreArg(CONFIG)); } 150e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne void setConfig(CallExpr *E) { setPreArg(CONFIG, E); } 151e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 152e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const Stmt *T) { 153e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return T->getStmtClass() == CUDAKernelCallExprClass; 154e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 155e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const CUDAKernelCallExpr *) { return true; } 156e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne}; 157e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 15849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 15949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 16049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 16149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 16249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 16349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 16449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 16549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1681d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 169ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 171f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 172f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1731d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1741d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1751d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1761d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 17749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 178f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 179f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 180ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1811d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 182ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 18449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 18549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 186a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 187a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 188a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 189a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 1901d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 1911d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 192ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 193aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1941d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor return SourceRange(Loc, RParenLoc); 1951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 1961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 19749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 19849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 19949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 20049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 20149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 20249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 20349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 20449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 20549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 2061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 20749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXNamedCastExpr *) { return true; } 20849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 20949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 210ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// CXXStaticCastExpr - A C++ @c static_cast expression 211ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// (C++ [expr.static.cast]). 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 21349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 21449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 21549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 216f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 217f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 2181d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 219f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 2201d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 22149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 222f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 223f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 224f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 225f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 226f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 227f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 228f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 229ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2301d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 231f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 232f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 233ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 23549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 23649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 23749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXStaticCastExpr *) { return true; } 23849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 23949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 24049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 24249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 24449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 24549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 24649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 247f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 248f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2491d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 250f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2511d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 25249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 253f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 254f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 255f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 256f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 257f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 258f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 259f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 260ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2611d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 262ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 263f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 264f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 265ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2660fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2670fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 26949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 27049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 27149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXDynamicCastExpr *) { return true; } 27249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 27349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 27449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 27549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 27649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 27849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 27949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 28049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 281f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 282f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 283ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 2841d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 285f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2861d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 28749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 288f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 289f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 290f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 291f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 292f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 293f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 294f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 295ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 2961d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 297f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 298f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 299ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 30249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 30349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXReinterpretCastExpr *) { return true; } 30449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 30549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 30649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 30749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 30949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 31049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 31149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 312f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 313ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 3141d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 315ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3161d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 31749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 318ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 319f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 320f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 321f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 322f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 323f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 324ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3251d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 326f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 327ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 32949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 33049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 33149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXConstCastExpr *) { return true; } 3321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3349fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// UserDefinedLiteral - A call to a literal operator (C++11 [over.literal]) 3359fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// written as a user-defined literal (C++11 [lit.ext]). 3369fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3379fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Represents a user-defined literal, e.g. "foo"_bar or 1.23_xyz. While this 3389fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// is semantically equivalent to a normal call, this AST node provides better 3399fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// information about the syntactic representation of the literal. 3409fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3419fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Since literal operators are never found by ADL and can only be declared at 3429fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// namespace scope, a user-defined literal is never dependent. 3439fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithclass UserDefinedLiteral : public CallExpr { 3449fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// \brief The location of a ud-suffix within the literal. 3459fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation UDSuffixLoc; 3469fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3479fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithpublic: 3489fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith UserDefinedLiteral(ASTContext &C, Expr *Fn, Expr **Args, unsigned NumArgs, 3499fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith QualType T, ExprValueKind VK, SourceLocation LitEndLoc, 3509fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation SuffixLoc) 3519fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Fn, 0, Args, NumArgs, T, VK, 3529fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LitEndLoc), UDSuffixLoc(SuffixLoc) {} 3539fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith explicit UserDefinedLiteral(ASTContext &C, EmptyShell Empty) 3549fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Empty) {} 3559fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3569fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// The kind of literal operator which is invoked. 3579fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith enum LiteralOperatorKind { 3589fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Raw, ///< Raw form: operator "" X (const char *) 3599fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Template, ///< Raw form: operator "" X<cs...> () 3609fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Integer, ///< operator "" X (unsigned long long) 3619fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Floating, ///< operator "" X (long double) 3629fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_String, ///< operator "" X (const CharT *, size_t) 3639fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Character ///< operator "" X (CharT) 3649fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith }; 3659fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3669fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getLiteralOperatorKind - Returns the kind of literal operator invocation 3679fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// which this expression represents. 3689fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LiteralOperatorKind getLiteralOperatorKind() const; 3699fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3709fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getCookedLiteral - If this is not a raw user-defined literal, get the 3719fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// underlying cooked literal (representing the literal with the suffix 3729fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// removed). 3739fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith Expr *getCookedLiteral(); 3749fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const Expr *getCookedLiteral() const { 3759fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return const_cast<UserDefinedLiteral*>(this)->getCookedLiteral(); 3769fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3779fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3780265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocStart() const { 3790265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara if (getLiteralOperatorKind() == LOK_Template) 3800265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getRParenLoc(); 3810265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getArg(0)->getLocStart(); 3820265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 3830265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocEnd() const { return getRParenLoc(); } 3840265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceRange getSourceRange() const { 3850265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return SourceRange(getLocStart(), getLocEnd()); 3860265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 3870265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3880265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3899fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 3909fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 3919fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 3920265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getUDSuffixLoc() const { return UDSuffixLoc; } 3939fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3949fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 3959fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 3969fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3979fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 3989fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 3999fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 4009fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const UserDefinedLiteral *) { return true; } 4019fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4029fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 4039fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 4049fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 4059fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 4081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 4091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 4101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 4111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 413bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 414561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 415f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 4168b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 417eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 418eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 419eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 421eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 423aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 425eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 426eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 427eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4301060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 43463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4376e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4386e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4396e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4406e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 442bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 443561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 444f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 446eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 447eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 448eb7f96141f754150a92433286fa385910a22f494Sam Weinig 449aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 451eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 452eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 453eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4546e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4556e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4566e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4576e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 4586e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 45963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4616e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 462c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 463c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 464c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 465c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 466c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 46957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 47357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 474f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 47557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 47657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 47757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 478bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 479561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 480bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 48157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 482ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 48357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 484f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4852850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 486bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4872850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 488bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 489561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 490bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 49157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 492c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 49314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 49414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 49514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 49614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 49714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 49814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 49914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 502ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 50457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 50557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 50657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 50757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 50857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 509c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 51057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 511c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 51214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 51314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 51414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 51514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 51614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 517ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 51814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 519c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 52057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 521c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 523030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 524030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 525030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 526030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 527ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 528aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 52914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 530ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 531c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 532c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 533c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 534c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 535c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 536c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 53763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 53863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 53963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 54063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 54163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 542c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 543c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 54401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 54501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 54601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 54701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 54801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 54901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 55001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 55101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 55201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 55301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 55401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5552e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 556bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 557561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 558bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 55901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 560ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 56101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5622e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 563bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 564561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 565bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 56601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 56701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 56801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 56901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 57001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 57101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 57201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 57301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 57401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 575ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 57601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 577ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 57901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 58001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 58101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 58201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 58301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 58401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 58601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 58801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 592ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 59401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 59501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 59601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 59901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 60101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 60201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 603aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 60401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 605ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 60601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 60701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 60801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 60901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 61001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 61101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 61263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 61363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 61463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 61563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 61663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 61701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 61801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 619796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 620796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 621796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 622796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 623796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 624796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 625796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 626796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 627796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 628796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 629796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 630796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 631796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 632828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 633ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 634796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 635828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 636f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6372850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6382850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 639bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 640561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 641bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 642828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 643796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6442fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6452fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6462fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6472fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6482fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 649aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 650796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 651828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 652828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 653ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 655796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 656796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 657796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 658796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 659796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 66063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 661796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 662796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6631060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6681060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6691060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 670bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 671bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 672ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 673bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 674ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 6771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 6781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 679bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 680bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 681bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 682561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 683bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 684bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 6852fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 6862fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 6881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 68942e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 69042e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 692bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 693bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 694bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 695bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 696bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 697bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 698ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 699aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 7011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 7021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 7031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 7071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 7091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 71163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 71263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 71363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 7151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 72165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 72265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 72465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 72565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 72665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 728036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 729036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 730ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 731036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 732ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 73365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 73465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7352333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 736dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 737561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 738036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 73965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 740ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 741036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 742dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 743dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 744ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 745bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 74665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 74765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 748ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 750030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 751030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 752ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7531060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 755036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 756036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 757036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 758f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7591060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 76065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 76165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 762ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 763036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 76565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 76865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 76965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 770ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 772ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 77365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 77465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 77665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 777ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 77865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 77965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 780ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 78165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 7821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 783ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 784036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 785036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 786ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 787aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 7891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 7901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 7911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 7951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 7971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 79963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 8008a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 80160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 8023397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 8031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 804987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 805c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 806c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 807c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 808b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 810b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 811c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 812c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 813c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 815b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 81876f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 81976f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 82076f3f69db1416425070177243e9f390122c553e0Richard Smith } 821c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 822fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 823ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 824ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 825ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 826ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 827ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 828ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 829ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 830ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 831ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 832ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 833ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 834ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 835ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 836ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 837fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 838fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 840fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 841fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 842bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 843bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 844ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 845bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 846561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 847bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 848bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 84988eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 850fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 851d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 852d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 853ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 855fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85788eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 858f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 859d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 860f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 861fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 862fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 86388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 864fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 865aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 86696be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 86796be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 868fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 869fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 870fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 871fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 872fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 873fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 874fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 875fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 87663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 877fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 878fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 8790982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a call to a C++ constructor. 88015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 88172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 88272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 88372e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 88472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 885059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 886059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 88772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 888ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 88972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 89015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 89115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 89299a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 893428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 894a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 89516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 8967cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 8975b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 89816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 89972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 90015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 902bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 90499a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 905bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 90616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 9077cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9085b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9095b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9105b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9115b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 912bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 9136d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9146d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 9155b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 9165b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9175b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9185b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9196d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 92015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9216d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9226d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9236d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9245b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9255b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9265b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9275b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9286d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9298e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 93099a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 93216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 9337cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9345b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9355b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9365b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9375b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 939d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 94039da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 941ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 94299a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 94399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 944ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 945d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 946d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 94739da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9487cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9497cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9507cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9517cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9527cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9537cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9545b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9555b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9565b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9575b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 95816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 95916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 96016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 96116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 96216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 96316006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 964ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9659db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9669db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 96724eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 96824eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 96972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 970ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 97172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 97272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 973ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 97415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 97515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 97815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 97915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 98015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 98115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 982a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 98315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 98415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 985bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 986bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 987bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 988bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 989bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 990bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 991bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 992bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 993bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9952eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 9962eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 9972eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 9982eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 9992eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 10002eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 1001aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1002428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 100315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1005524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 1006524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 100715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 100815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 101163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 101263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 101363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10146d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 101560adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 101615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 101715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10180982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents an explicit C++ type conversion that uses "functional" 10190982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// notation (C++ [expr.type.conv]). 10200982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 10210982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// Example: 10220982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 10230982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// x = int(0.5); 10240982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 102549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1026987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1027987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1028f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1029f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1030f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1032f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1033ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1034f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1035f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10360aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10370aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1038f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1039f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1040f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1041f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1042f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1043f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1044f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1045f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1046f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1047f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1048f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1049f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1050f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1051ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1052987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1053ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1054987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1055ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1057aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1058987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 1059987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1062987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1063987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 1064987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1065987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1066506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1067506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1068506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1070506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1071ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1072ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1073506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1074506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1075506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1076506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1077506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1078506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1079506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1080506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1081524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1082ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1083506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1084506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1086ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 1088428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 10897cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 10901c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 10916d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1092ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1093506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1094ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1095ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 1096aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1097ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1099506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1100506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 1101506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 11026d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 110360adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1104506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1105506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 110601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 110701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 110801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 110901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 111001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 111101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 111201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 111301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor// [=](double value) { return value > cutoff; }); 111401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 111501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 111601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 111701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 111801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 111901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 112001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 112101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 112201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 112301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 112401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 112501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 112601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 112701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 112801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 112901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 113001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 113101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 113201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 113301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 113401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 113501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 113601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11377ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11387ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11397ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 114001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 114401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 114501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 114601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 114701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1148dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1149dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1150dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1151dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1152dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11547ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 115501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 115701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 116001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 116101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 116201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 116301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 116401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11657ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11667ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 116901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 117201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 117301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 117401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11759daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 117601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 117701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 11789daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 117901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 118001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 118101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 118901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 119001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 119101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 119201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 119901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 120201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 123001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 123201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 123401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 123601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 123801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 123901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 124001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 124101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 124201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 124301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 124401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 124601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 124701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 124801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 124901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 125001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1251dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 125201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12539daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12549daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1255f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 125601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12579d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12589d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12599d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12609d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12619d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12629d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12639d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12649d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12657ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12667ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12697ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12707ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12717ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12727ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12737ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12747ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12757ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 12767ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 12777ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 12787ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor getArrayIndexStarts() + NumCaptures + 1); 12797ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12807ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 128101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 128201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 128301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 128401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 128501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 128601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 128701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 128801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1289dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 129001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12919daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12929daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1293f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 129401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12959d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 12969d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 12979d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 12989d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 12999d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 130001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 130101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 130201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 130301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 130401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 130501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 130601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 130701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 130801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 130901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1310da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 131101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1314da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 131501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13167ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 13177ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 13187ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 131901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 132001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1321da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 132201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 132401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1325da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 132601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 132801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1329da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 133001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 133201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1333da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 133401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 133601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 133701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 133801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 134001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13417ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13427ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13437ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 134401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 134676e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13477ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13487ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13497ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 135001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13519daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13529daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13539daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13549daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13559daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13569daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13579daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 135801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 135901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 136001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 136101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 136201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 136401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 136501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 136601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 136701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 136901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 137001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 137101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 13739d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 137401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 137601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 137701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 137801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 138001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 138101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 138201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1383dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1384dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 13859e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 138601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 138701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 138801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 138901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const LambdaExpr *) { return true; } 139001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1391aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 139201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return SourceRange(IntroducerRange.getBegin(), ClosingBrace); 139301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 139401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13957ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 13967ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 13977ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 139801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 140001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 140101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 140201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1403ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1404506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1405ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1406987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1407ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1408987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1409ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1410987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1411ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1412ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1413987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1414ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1415ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1416ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1417ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1418ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1419f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1420561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1421ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1422ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1423ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1424ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1426ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1427ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14284c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1429ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1430ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14314c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 1432aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 14331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1435ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1436987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1437ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1439987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 144063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1441987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1442987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14430982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @brief Represents a new-expression for memory allocation and constructor 14440982205bade2fb4fc984c27b2ab401e683963b10James Dennett// calls, e.g: "new CXXNewExpr(foo)". 14454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14462aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14472aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14490982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the allocation function used. 14504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14510982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the deallocation function used in case of error. May be 14520982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// null. 14534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14551bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14561bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1457ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1458ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14594bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14604bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1461ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14622aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Location of the first token. 14634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 14642aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14652aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1468d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1469d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1470d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1471d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1472d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1473d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1474d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1475d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1476d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1477d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1478d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1479d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1480d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1481d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 148260adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 14832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 14844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 14852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 14862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 14872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 14882aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 14892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 14902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1491ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 14921548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 14932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr **placementArgs, unsigned numPlaceArgs, 14942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 14952aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 14966ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 14972aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation startLoc, SourceRange directInitRange); 14985921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 14995921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 15005921863d8f24084797863b5df37842113bac4352Chris Lattner 15015921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 15022aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1503ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1504cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1505cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 15066217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1507cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15091bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 15101bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 15111bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1512c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1513c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1514c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1515c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1516c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1517c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1518c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1519c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1520c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1521c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15228026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1523ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15255921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15275921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1529cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1530cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1531cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1532cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1533cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1534cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1535cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1536cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1538ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15392aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1540aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1541ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15442aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15482aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15514bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15524bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15534bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15557cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15562aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15572aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15581548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15592aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15602aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15612aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15622aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15632aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15641548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15651548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15691548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15702aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 15712aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15721548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15731548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1574feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 1575feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay const CXXConstructExpr* getConstructExpr() { 1576feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1577feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1578feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 15792aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 15802aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 15812aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 15822aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 15832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 15842aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15851548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 15874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 15884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 15902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 15932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 15962aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 15992aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1601ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16025921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 16035921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 16045921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 16052aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16065921863d8f24084797863b5df37842113bac4352Chris Lattner } 16075921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 16082aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 16092aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16102aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16125921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 16132aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation getEndLoc() const; 1614428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 16152aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1616428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1617aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16182aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SourceRange(getStartLoc(), getEndLoc()); 16194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 16254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 162763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16282aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 162963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16320982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a \c delete expression for memory deallocation and 16330982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// destructor calls, e.g. "delete[] pArray". 16344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1635d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1636d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1637d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1638d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1639d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1640d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16454076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16464076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16474076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16484076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16496ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16506ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16516ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16546ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16556ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1656bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1657561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1658bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1659d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1660f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16614076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1662d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 166395fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 166495fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16684076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16706ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 16716ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 16726ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 16736ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 16746ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 16756ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 16766ec278d1a354517e20f13a877481453ee7940c78John McCall } 16776ec278d1a354517e20f13a877481453ee7940c78John McCall 16784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 16794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 16814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 16824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1683a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1684a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1685a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 16865833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1687ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1688aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 16904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 16944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 16964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 169863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1699f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1700f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 17014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 17024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17030982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Stores the type being destroyed by a pseudo-destructor expression. 1704a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1705ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1706a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1707a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1708ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1709a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1710a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1711ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1712a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1713a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1714ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1715a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1716a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1717ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1718a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1720ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1721ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1722a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1724a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1725a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1726a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1727ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1728a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1729a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1730ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1731a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1732a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1733e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1734ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1735e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1736e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1737e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1738e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1739e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1740e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1741e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1742e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1743a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1744e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1746a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1748a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1749e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1750a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1751a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1752a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1753e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1754e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1755a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1756a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1757a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1759a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1760a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1761a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1763a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1764a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1765ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1766a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1767f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1769e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1770e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1771e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1772ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1773ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1774e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1775e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1776ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1777fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1778fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1779ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1780ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1781a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1782a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1784f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1786a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1787a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1788a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1789f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1790e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1791e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1792fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1793e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1795de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1796de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1797f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1798de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1799a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 18001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1802a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1803a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1804f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 18051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1806f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1807f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1808f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1809ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1811a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1812a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1814ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1815f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 18161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1817a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1818a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1819a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1820a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1821a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1822a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1824ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1825e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1826e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1827e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1828e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1829e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1830ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1831e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1832e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 183326d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1834ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1835e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1836e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1837e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1838ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1839fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1840fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1841ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 184226d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 184326d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1844a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1845ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1846a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1847a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1848a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1849ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1850ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1851a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1853a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1854a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1855a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1856a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1857a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1858a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1859ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1860a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1861a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1862ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1863a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1864ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1865ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1866a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1868de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1869de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1870de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1871de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1872de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1873de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1874de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1875de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1876de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1877de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1878de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1879aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1882a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1883a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1884a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1886a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 188763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1888a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 18891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18900982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS unary type trait, as used in the 18910982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 18920982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 189364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 18940982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 18950982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_pod(int) == true 18960982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_enum(std::string) == false 18970982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 189864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 18990dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 19000dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 19010dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 19020dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 190364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 190464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 190564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 190664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 190764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 190864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 190964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19100dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 19113d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 191264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 191364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1914ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 19150dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 191664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1917f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1918bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1919561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1920bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 19210dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 192264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19236d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19240dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19253d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19266d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 1927aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 192864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19290dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 193064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19313d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 193264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19333d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1934ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19350dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 193664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 193764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 193864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 193964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 194164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 194264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 194363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19446d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 194560adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 194664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 194764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19480982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS binary type trait, as used in the 19490982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19500982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 19516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19520982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19530982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_base_of(Base, Derived) == true 19540982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 19556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 19726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 1975ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 1976ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 1978ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1980bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1981561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 1982561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 1983bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1984bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1991f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 1993aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 19946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 19986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 19996ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20006ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20016ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 20026ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 20036ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20046ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 20056ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 2006ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20076ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 20086ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20096ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 20106ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 20116ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20126ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 20136ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20146ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 201563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 20166ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20176ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 20186ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 20196ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 20214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 20224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 20234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 20244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 20254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 20264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20274ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20284ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20294ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20324ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20334ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20344ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20354ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 20744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 20804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 20894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 20904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 20924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 20964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 20974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 20984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21004ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2101aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParenLoc); } 21024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 21044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 21054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const TypeTraitExpr *) { return true; } 21074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 21094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 21104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 21124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 21134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21144ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 21154ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21160982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An Embarcadero array type trait, as used in the implementation of 21170982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank and __array_extent. 21180982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 211921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 21200982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21210982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank(int[10][20]) == 2 21220982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_extent(int, 1) == 20 21230982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 212421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 212599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 212699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 21270982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 212821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 212921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21300982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 213121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 213221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21330982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The array dimension being queried, or -1 if not used. 213421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 213521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21360982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 213721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 213821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21390982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 214021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 214121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21420982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The type being queried. 214321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 214421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 214621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 214721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 214821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 214921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 215021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2151561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2152561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 215321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 215521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 215621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 215921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 216021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 216121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216225aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 216325aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 2164aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar virtual SourceRange getSourceRange() const LLVM_READONLY { 2165ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return SourceRange(Loc, RParen); 2166ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 216721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 216921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 217121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 217321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 217521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 217721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 217921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 218021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 218121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const ArrayTypeTraitExpr *) { return true; } 218221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 218421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 218521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 218721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 218821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21890982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An expression trait intrinsic. 21900982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 2191552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 21920982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21930982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(std::cout) == true 21940982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(1) == false 21950982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 2196552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 21970982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. A ExpressionTrait enum in MSVC compat unsigned. 2198552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 21990982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 2200552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2201552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22020982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 2203552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2204552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22050982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 2206552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2207552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22080982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The expression being queried. 2209552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2210552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2211ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2212552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2213552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2214552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2215552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2216552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2217552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2218561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2219552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2220ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2221ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2222552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2223552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2224552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2225552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2226552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22270982205bade2fb4fc984c27b2ab401e683963b10James Dennett SourceRange getSourceRange() const LLVM_READONLY { 22280982205bade2fb4fc984c27b2ab401e683963b10James Dennett return SourceRange(Loc, RParen); 22290982205bade2fb4fc984c27b2ab401e683963b10James Dennett } 2230552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2231552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2232552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2233552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2234552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2235552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2236552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2237552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2238552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2239552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2240552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const ExpressionTraitExpr *) { return true; } 2241552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2242552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2243552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2244552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2245552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2246552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2247552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2248552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22497bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 2250809d1be9820039b4cf6efa48246a0d70ffa13394James Dennett/// \c UnresolvedLookupExpr or an \c UnresolvedMemberExpr. 22517bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 22520982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The common name of these declarations. 2253d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2254d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2255d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2256d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2257d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2258ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22597bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22607bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2261928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2262928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2263928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2264ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2265a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2266e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2267e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2268e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2269e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2270e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2271e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2272e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2273e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2274e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2275e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2276e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22777bb12da2b0749eeebb21854c77877736969e59f2John McCall 2278bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 22794c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2280e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 22812577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2282bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2283bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2284561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2285561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2286561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 22877bb12da2b0749eeebb21854c77877736969e59f2John McCall 2288a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2289d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2290d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2291a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2292bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2293bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2294bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 22957bb12da2b0749eeebb21854c77877736969e59f2John McCall 2296bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 22979c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 22989c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 22999c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 23009c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 23019c72c6088d591ace8503b842d39448c2040f3033John McCall }; 23029c72c6088d591ace8503b842d39448c2040f3033John McCall 23037bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 23047bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 23057bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 23069c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 23079c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 23089c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 23097bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 23107bb12da2b0749eeebb21854c77877736969e59f2John McCall 23119c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 23129c72c6088d591ace8503b842d39448c2040f3033John McCall 23137bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 23149c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 23159c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 23169c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 23179c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 23189c72c6088d591ace8503b842d39448c2040f3033John McCall 23199c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 23209c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 23219c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 23229c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 23239c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 23249c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 23259c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 23269c72c6088d591ace8503b842d39448c2040f3033John McCall } 23279c72c6088d591ace8503b842d39448c2040f3033John McCall 23289c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 23297bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23307bb12da2b0749eeebb21854c77877736969e59f2John McCall 23310982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the naming class of this lookup, if any. 2332e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2333e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 23347bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2335928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2336ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2337928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2338928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2339ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23400982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the number of declarations in the unresolved set. 2341928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23427bb12da2b0749eeebb21854c77877736969e59f2John McCall 23430982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the full name info. 23442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23460982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the name looked up. 23472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23487bb12da2b0749eeebb21854c77877736969e59f2John McCall 23490982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the location of the name. 23502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23517bb12da2b0749eeebb21854c77877736969e59f2John McCall 23520982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier, if one was given. 2353ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2354ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23554c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23567bb12da2b0749eeebb21854c77877736969e59f2John McCall 23570982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier with source-location 23580982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// information, if one was given. 23594c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23607bb12da2b0749eeebb21854c77877736969e59f2John McCall 2361e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2362e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2363e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2364e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2365e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2366e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2367e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2368e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2372e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2378e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2380e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23817bb12da2b0749eeebb21854c77877736969e59f2John McCall 23820982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether the name was preceded by the template keyword. 2383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2384e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 23850982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether this expression had explicit template arguments. 2386e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2387e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2388e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2389e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2390e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2391e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2392e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2393e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2394e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23967bb12da2b0749eeebb21854c77877736969e59f2John McCall 2397b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 23987bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 23997bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24007bb12da2b0749eeebb21854c77877736969e59f2John McCall 2401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2402e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2403e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2404e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2405e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2406e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2407e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2408e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 24090982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Copies the template arguments into the given structure. 2410e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2411e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2412e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2413e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2414096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 24150982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// 2416096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2417096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2418b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2419096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2420096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall 24237bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 24247bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 24257bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 24267bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24277bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 24284045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 24294045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 24304045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 24317bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 24327bb12da2b0749eeebb21854c77877736969e59f2John McCall 24337bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 24340982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// parsing but could not resolve to a specific declaration. 24350982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 24360982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// This arises in several ways: 24377bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24387bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24397bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24407bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24410982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// These never include UnresolvedUsingValueDecls, which are always class 24420982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// members and therefore appear only in UnresolvedMemberLookupExprs. 24437bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2444ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2445ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2446ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2447ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2448ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2449ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be considered an associated namespace 2450ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// for the purposes of argument-dependent lookup. See C++0x [stmt.ranged]p1. 2451ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace; 2452ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 24537453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24547453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24557453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24567453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24577bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24587bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24597bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24607bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24617bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24627bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2463f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2464ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2465928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24664c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2467e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24682577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2469ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2470bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2471ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2472ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace) 2473e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2474e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2475ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2476ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace(StdIsAssociatedNamespace), 2477ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2478ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2479ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2480bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2481bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2482ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(false), StdIsAssociatedNamespace(false), Overloaded(false), 2483ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith NamingClass(0) 2484bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2485bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 24864c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2488ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2489ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2490c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24914c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 24935a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2494ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2495ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator End, 2496ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace = false) { 2497ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert((ADL || !StdIsAssociatedNamespace) && 2498ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith "std considered associated namespace when not performing ADL"); 2499e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2500e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2501ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith ADL, Overloaded, 0, Begin, End, 2502ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace); 2503ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2504ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2505f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2506c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 25074c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2508e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2510f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 25119d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2512ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 25135a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2514f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2515bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2516e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2517bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2518bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2519ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2520ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2521ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2522ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2523ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be artificially added to the set of 2524ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// associated namespaecs for argument-dependent lookup purposes. 2525ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool isStdAssociatedNamespace() const { return StdIsAssociatedNamespace; } 2526ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 25277453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 25287453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 25297453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2530c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2531c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2532c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2533c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2534c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 2535aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 25362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 2537ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (getQualifierLoc()) 25384c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2539ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 25404c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 2541f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2542ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2543ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 254463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2545ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2546ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2547ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2548ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2549ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 2550ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2551ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25525953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25535953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25545953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2555ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2556a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25575953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2558865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25595953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25605953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25615953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2562865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2563ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2564a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2565a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2566865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2567ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2568ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 256900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2570ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 257100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 257200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25735953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2574e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2575e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2576e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2577e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2578e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2579e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2580e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2581e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2582e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2583e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2584e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2585e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2586e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2587e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2589f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 259000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2591e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2593bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2594f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2595f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2596f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 259700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2598e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2600e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 26015953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 260212dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2603e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 260412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 260512dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 26065953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 26072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 26082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 26092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 26102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 26115953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 26125953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 26132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 26145953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 261500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 261600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 261700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2618ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2619ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2620ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2621ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2622ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2623ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 262400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2626e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2627e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2628e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2629e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2630e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2631e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2632e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2633e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2634e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2635e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2636e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2637e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2638e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2639e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2640e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2641e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2642e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2643e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2644e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2645e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2646e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2647e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2648e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2649e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2650f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2651e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2653f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2654f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2655f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2657b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 265812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2659b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 266012dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 266112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2662f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2663b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2664f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2665b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2666f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2668096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2669096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2670096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2671b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2672096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2673096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2674096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2675096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2676f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2677f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2678f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2679f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2680f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2682f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2683f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2684d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2685d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2686f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2687f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2688f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2690aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 269100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 2692f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 2693f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 2694f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2695edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 26961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2698f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2699edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2700f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 2701f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 270263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 27034045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 27044045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 27054045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2706edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 27071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27084765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 27094765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 27104765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 271180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 271280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 271380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 271480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 271580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 271680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 271780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 27184765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 271980ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 272080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 272180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 272280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 272480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 272580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272680ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 272702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 27281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 273080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 273102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 273280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 273380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 273480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 273580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 273680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 273780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 273880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2739ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 274088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 274180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 274280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 274580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2746ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 274780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 274880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2749f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 275080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 275180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 275280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 275380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 275480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 275580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2756d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2759f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 276080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 276180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 276280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 276388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 276402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2765aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 276696be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 276796be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 276802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 276902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 277002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27714765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 277202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 27734765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 277402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 277502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 277663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 277702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 277802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2779d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2780d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2781d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2782d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2783d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2784fe865f1f35d1b91f42f58f08a1399b961b71b3bcJames Dennett/// CXXUnresolvedConstructExpr have the form <tt>T(a1, a2, ..., aN)</tt>, 27850982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// where \c T is some type and \c a1, \c a2, ..., \c aN are values, and 27860982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// either \c T is a dependent type or one or more of the <tt>a</tt>'s is 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2788d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2789d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2790d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2791d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2792d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2793d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2794d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2795d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2796d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2797d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2798d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2799d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2800d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2801d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2802ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2803ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2804d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2805d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2806d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2807d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2808d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2809d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2810d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2811d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 28121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2813ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2814d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2815d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2816d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2817d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2818d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28198dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2820ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 28218dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2822ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2823ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2824d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 28251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2826ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2827d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2828d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2829d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2830d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2831d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28328dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 28338dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 28348dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2835d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2836d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2837ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2838d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2839ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2840ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2841ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2842ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2843d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2844d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2845d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2846d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2847d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2848d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2849d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2850d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2851d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2852d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2853d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2854d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2855d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2856d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2857d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2858d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2859d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28601dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28611dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28621dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28631dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28641dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28651dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28661dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2868d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2869d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2870d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2871d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2872d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28741dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28751dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28761dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28771dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28788dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28798dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28808dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28818dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28828dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2883aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 2884ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2886d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2887d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2888d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2889d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2890d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 289163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 289263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 289363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 289463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2895d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2896d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2897ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2898ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2899ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2900aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2901aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2902aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2903aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2904865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 29051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2906aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 29071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 29081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2909aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2910aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2911aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2912aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29131c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 29141c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 29153b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 29161c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2917e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2918e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2919e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 29201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29211c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 29221c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 29231c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2924a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 29257c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 29261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2927c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 29281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2929c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2930c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 293146bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2932c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2933865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2934c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 29351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29361c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29371c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2938a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2941e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2942e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2943e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2944e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2945e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2946e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2947e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2948e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2949e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2950e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2951e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2952865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2953aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29543b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29557c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2956e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29573b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2959d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29611c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2962865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2963bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2964bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2965bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29667c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2967bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2968bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2970865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2972aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29733b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29747c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2975e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29763b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2978d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29808dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2981e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2982def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29838dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2984aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2985aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2986aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29874c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2988aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29891c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29901c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2991aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2992aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2993aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2994aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 29951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2996aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2997aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29981c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 29991c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 30001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 30011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30021c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 30031c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 30041c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3005a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 3006a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 3007ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 3008ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 30097c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 30101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30117c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 30127c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 30137c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 3014ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3015ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3016c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 3017c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 3018c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 3019c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 3020c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 30211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 30221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 3023c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 3024c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 3025c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 3026c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 30271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 3028c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 3029c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 30301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30311c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 30321c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 30332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 30342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 30352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 30362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30401c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30411c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30421c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30441c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3045e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3046e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3047e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3048e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3049e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3050e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3051e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3052e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3053e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3054e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3055e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3056e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3057e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3058e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3059e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3060e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3061e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3062e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3063e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3064e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3065e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3066e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3067e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3068e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30693b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3071e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 307436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3075b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3076e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3077b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 307836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 307936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 308036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 308136c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3082b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 308336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3084096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3085096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3086096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3087096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3088096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3089096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 3090b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 3091096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3092096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 309336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 309436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3095d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3096d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3097d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3098096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3099d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3100d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 31018dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 31028dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3103096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 31048dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 31058dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 31063b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 31073b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3108833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3109096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 31103b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31123b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 31133b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 31141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3115096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 31163b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3118aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3119aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 3120aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3121aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 3122aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 31237c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3124aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 31252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 31261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3127aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 3128aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 3129aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 31302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 3131aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 31321c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3135865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 31361c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 3137865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 31381c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31391c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 314063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 314163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 314263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 314363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31444045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31454045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31464045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31471c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31481c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3149129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3150aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3151aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3152aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3153aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3154aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3155aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3156aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3157aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3158aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3159aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3160aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3161aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31627bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3163129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3164129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3165129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3166129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3167129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3168129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3169129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31717bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31727bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31737bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31747bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31757bb12da2b0749eeebb21854c77877736969e59f2John McCall 31767bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31777bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3178129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3179129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3182bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3183aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3184129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31854c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3186e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31885a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31895a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3190ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3191a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3192a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3193a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3194129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31954c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3196ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3197129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3198129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3199bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3200aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3201129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 32024c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3203e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 32042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 32055a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 32065a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3207129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3208a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3209e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3210def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3211a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3212aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3213aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3214aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 32154c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3216aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3217129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3218129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3219aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3220aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3221aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3222aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 32232f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 32242f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 32252f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 32262f27bf854f0519810b34afd209089cc75536b757John McCall } 3227129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3228aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3229a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3230a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3231a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3232a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3233aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3234129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3235129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3236129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3237129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3238129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3239129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3240129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3241c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3242c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3243c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3248129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3249129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32507bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3251129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3252129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3253129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32547bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3255129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3256aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 32572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 3258aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3259aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 32604c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 32614c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3262aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3263129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 3264129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 3265129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 3266129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3267129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3268129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3269129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3270129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3271129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 3272129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3273129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 327463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 327563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 327663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 327763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3278129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3279129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32872e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3289c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3290c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32922e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32932e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3294f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3295f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3296bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3297561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3298bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 32996b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 33006b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 33016b219d082434394c1ac401390ec1d1967727815aSebastian Redl 33026b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 33036b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 33042e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 33052e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33062e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 33072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3308aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 33092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33102e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 33112e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33122e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 33132e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 33142e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 33152e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 33162e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33172e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 331863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 33192e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 33202e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3321ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3322be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3323be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3324be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3325be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3326be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3327be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3328be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3329be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3330be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3332be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3334be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3335ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3336be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3337be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3338be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3339be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3340ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 334167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 334267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 334367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 334467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 334567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 334667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3347ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3348be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3349ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3350be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 335167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3352ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3353be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 335467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 335567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 3356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3357ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3358561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3359561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3360be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 336167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3362be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3363be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3364be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3365ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3366be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3367be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3368be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3369be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3370be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3371be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3372be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3373be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3374be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3375ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3376ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 337767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 337867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 337967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 338067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3381ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 338267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 338367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3384ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3385aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 338663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 338763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3388be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3389be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3390be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3391be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3392be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 3393ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3394be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 339563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 339663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 339763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3398be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3399ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3400e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 34027bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3403e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3404e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 34057bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3406e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3407e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 34087bb12da2b0749eeebb21854c77877736969e59f2John McCall} 34097bb12da2b0749eeebb21854c77877736969e59f2John McCall 3410ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3411ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3412ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3413ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3414ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3415ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3416ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3418ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3419ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3422ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3424ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3425ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3426ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3428ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3429ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3430ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3431ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3432ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3435ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3437ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3438ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3439ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3440ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3441ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3442ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3443ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3444ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3445ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3446ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3447ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3449561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3450ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3452ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3453ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3454ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3455ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3456ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3457ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3459ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3460ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3461561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3462ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3463ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3464ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3465ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3466ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3467ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3468ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3469ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3470ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3471ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3472ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3473ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3474ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3475ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3476ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3477ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3478ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3479ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3480ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3481ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3482ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3483ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3484c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3485ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3486ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3487ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3488ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3489ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3491aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 349263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 349363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3494ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3495ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3496ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3497ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3498ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 3499ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3500ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 350163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3502ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3503c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 350491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 350591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 350691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 350791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 350891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 350991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 351091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 351191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 351291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 351391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 351491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 351591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 35167110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 35177110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3518ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 35197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 35207110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 352191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 352391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 352491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 352591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 352691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 352791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 352891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 352991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 353091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 353191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 353291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 353391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 3534aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 353591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 353691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3537ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 353891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 353991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 354091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 354191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 354291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3543ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmExpr *) { 3544ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 354591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3546ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 354791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 354891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 354991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 355091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3552c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3553c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3556ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// parameter lists, this node node is used to represent a non-type template 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3559c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3560c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3561c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3562c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3563c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3564c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3565c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3566ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3567c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3568c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3569c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3570ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3571c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3572c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3574c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3575c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3576ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3578c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35807110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3581ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3582c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3583ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3584c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3585c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3586c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3587ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3588c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3589c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3590c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3591c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3592c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3593ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3594c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3595c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3596c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3597c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3598aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 3599ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3600c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3601c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3602c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3603ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 3604ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 3605c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3606ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3607c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 360863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3609c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 361003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 361103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 361203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 361303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 361403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 361503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 361603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 361703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 361803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 361903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 362003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 362103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 362203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 362303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 362403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 362503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 362603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 362703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 362803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 362903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3630d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3631ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 363203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 363303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3634ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 363503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3636ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3637b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3638b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 363903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 364003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3641561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 364203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 364303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3644ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3645ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 364603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3647ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 364803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 364903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 365003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3651ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 365203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 365303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3654ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 365503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 365603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3657ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3658aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3659aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar return Temporary->getSourceRange(); 3660aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3661ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 366203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 366303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 366403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3665ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const MaterializeTemporaryExpr *) { 3666ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 366703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3668ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 366903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 367003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 367103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3672ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 36735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 36745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3676