ExprCXX.h revision 0cf3c0eecbff007cea2750c113894b47d9e09f33
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 3789fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 3799fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 3809fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 3819fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation getUDSuffixLoc() const { return getRParenLoc(); } 3829fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3839fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 3849fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 3859fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3869fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 3879fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 3889fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3899fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const UserDefinedLiteral *) { return true; } 3909fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3919fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 3929fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 3939fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 3949fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 3971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 3981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 3991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 4001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 402bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 403561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 404f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 4058b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 406eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 407eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 408eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 410eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 412aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 414eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 415eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 416eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4266e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4276e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4286e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4296e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4306e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 431bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 432561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 433f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4346e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 435eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 436eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 437eb7f96141f754150a92433286fa385910a22f494Sam Weinig 438aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4396e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 440eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 441eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 442eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4446e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4466e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 4476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 44863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 451c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 452c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 453c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 454c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 455c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 456c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 457c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 45857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 459c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 460c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 461c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 46257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 463f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 46457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 46557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 46657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 467bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 468561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 469bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 47057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 471ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 47257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 473f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4742850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 475bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4762850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 477bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 478561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 479bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 48057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 481c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 48214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 48314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 48414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 48514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 48614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 48714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 48814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 489ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 49057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 491ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 49257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 49357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 49457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 49557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 49657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 49757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 498c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 49957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 500c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 50114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 50214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 50314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 50414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 50514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 506ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 508c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 50957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 510c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 511ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 512030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 513030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 514030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 515030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 516ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 517aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 51814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 519ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 520c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 521c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 522c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 523c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 524c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 525c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 52663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 52763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 52863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 52963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 53063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 531c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 532c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 53301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 53401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 53501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 53601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 53701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 53801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 53901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 54001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 54101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 54201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 54301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5442e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 545bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 546561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 547bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 54801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 549ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 55001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5512e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 552bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 553561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 554bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 55501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 55601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 55701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 55801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 55901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 56001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 56101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 56201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 56301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 564ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 56501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 566ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 56701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 56801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 56901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 57001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 57201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 57301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 57401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 57501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 57601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 57901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 58001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 581ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 58301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 58401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 586ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 58801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 592aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 59601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 59701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 59801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 59901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 60163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 60263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 60363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 60463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 60563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 60601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 60701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 608796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 609796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 610796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 611796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 612796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 613796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 614796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 615796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 616796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 617796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 618796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 619796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 620796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 621828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 622ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 623796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 624828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 625f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6262850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6272850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 628bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 629561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 630bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 631828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 632796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6332fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6342fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6352fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6362fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6372fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 638aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 639796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 640828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 641828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 642ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 644796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 645796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 646796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 647796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 648796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 64963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 650796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 651796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6521060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6531060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6551060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6561060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6571060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 659bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 660bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 661ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 662bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 663ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 6661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 6671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 668bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 669bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 670bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 671561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 672bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 673bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 6742fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 6752fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 6771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 67842e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 67942e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 6801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 681bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 682bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 683bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 684bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 685bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 686bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 687ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 688aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 6921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 6961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 6981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 70063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 70163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 70263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 7041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 71065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 71165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 712ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 71365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 71465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 71565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 717036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 718036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 720036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 721ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 72265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 72365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7242333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 725dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 726561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 727036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 72865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 729ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 730036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 731dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 732dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 733ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 734bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 73565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 73665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 737ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 739030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 740030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 741ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 744036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 745036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 746036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 747f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 74965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 75065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 751ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 752036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 75465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7561060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 75765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 75865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 759ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 761ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 76265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 76365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 76565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 76765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 76865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 769ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 77065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 7711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 772ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 773036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 774036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 776aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 7781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 7791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 7801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 7841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7851060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 7861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 78863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 7898a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 79060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 7913397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 7921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 793987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 794c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 795c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 796c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 797b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 799b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 800c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 801c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 802c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 804b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 80776f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 80876f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 80976f3f69db1416425070177243e9f390122c553e0Richard Smith } 810c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 811fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 812ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 813ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 814ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 815ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 816ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 817ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 818ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 819ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 820ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 821ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 822ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 823ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 824ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 825ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 826fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 827fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 829fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 830fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 831bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 832bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 833ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 834bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 835561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 836bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 837bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 83888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 839fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 840d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 841d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 842ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 844fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 847f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 848d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 849f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 850fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 851fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 85288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 853fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 854aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 85596be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 85696be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 857fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 858fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 859fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 860fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 861fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 862fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 863fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 864fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 86563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 866fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 867fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 86815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson/// CXXConstructExpr - Represents a call to a C++ constructor. 86915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 87072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 87172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 87272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 87372e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 874059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 875059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 87672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 877ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 87872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 87915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 88015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 88199a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 882428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 883a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 88416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 8857cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 8865b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 88716006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 88872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 88915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 891bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 89399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 894bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 89516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 8967cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 8975b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 8985b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 8995b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9005b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 901bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 9026d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9036d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 9045b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 9055b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9065b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9075b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9086d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 90915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9106d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9116d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9126d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9135b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9145b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9155b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9165b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9176d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9188e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 91999a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 92116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 9227cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9235b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9245b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9255b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9265b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 928d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 92939da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 930ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 93199a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 93299a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 933ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 934d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 935d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 93639da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9377cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9387cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9397cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9407cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9417cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9427cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9435b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9445b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9455b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9465b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 94716006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 94816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 94916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 95016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 95116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 95216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 953ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9549db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9559db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 95624eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 95724eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 95872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 959ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 96072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 96172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 962ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 96315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 96415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 96715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 96815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 96915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 97015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 971a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 97215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 97315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 974bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 975bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 976bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 977bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 978bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 979bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 980bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 981bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 982bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9842eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 9852eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 9862eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 9872eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 9882eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 9892eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 990aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 991428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 99215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 994524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 995524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 99615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 99715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 100063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 100263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10036d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 100460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 100515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 100615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 100749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXFunctionalCastExpr - Represents an explicit C++ type conversion 100849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// that uses "functional" notion (C++ [expr.type.conv]). Example: @c 100949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// x = int(0.5); 101049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1011987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1012987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1013f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1014f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1015f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1017f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1018ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1019f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1020f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10210aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10220aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1023f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1024f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1025f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1026f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1027f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1028f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1029f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1030f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1031f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1032f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1033f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1034f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1035f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1036ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1037987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1038ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1039987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1040ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1042aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1043987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 1044987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1047987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1048987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 1049987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1050987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1051506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1052506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1053506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1055506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1056ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1057ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1058506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1059506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1060506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1061506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1062506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1063506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1064506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1065506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1066524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1067ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1068506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1069506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1071ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 1073428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 10747cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 10751c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 10766d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1077ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1078506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1079ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1080ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 1081aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1082ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1084506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1085506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 1086506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 10876d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 108860adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1089506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1090506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 109101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 109201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 109301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 109401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 109501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 109601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 109701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 109801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor// [=](double value) { return value > cutoff; }); 109901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 110001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 110101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 110201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 110301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 110401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 110501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 110601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 110701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 110801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 110901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 111001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 111101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 111201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 111301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 111401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 111501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 111601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 111701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 111801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 111901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 112001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 112101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11227ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11237ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11247ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 112501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 112601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 112701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 112801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 112901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 113001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 113101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 113201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1133dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1134dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1135dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1136dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1137dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11387ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11397ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 114001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 114401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 114501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 114601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 114701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 114801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 114901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11507ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11517ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11527ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 115401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 115501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 115701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11609daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 116101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 116201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 11639daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 116401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 116501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 116601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 116801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 116901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 117201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 117301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 117401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 117501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 117601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 117701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 117801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 117901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 118001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 118101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 118201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 118901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 119001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 119101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 119201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 119901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 123201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 123301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 123401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1236dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 123701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12389daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12399daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1240f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 124101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12429d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12439d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12449d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12459d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12469d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12479d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12489d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12499d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12507ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12517ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12527ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12547ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12557ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12567ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12577ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12587ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12597ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12607ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 12617ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 12627ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 12637ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor getArrayIndexStarts() + NumCaptures + 1); 12647ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12657ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 126601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 126701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 126801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 126901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 127001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 127101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 127201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 127301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1274dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 127501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12769daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12779daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1278f54486acc1cadf2791c3916ece66fded1e57ba0bDouglas Gregor SourceLocation ClosingBrace); 127901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12809d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 12819d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 12829d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 12839d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 12849d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 128501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 128601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 128701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 128801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 128901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 129001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 129101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 129201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 129301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 129401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1295da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 129601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 129701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 129801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1299da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 130001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13017ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 13027ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 13037ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 130401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 130501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1306da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 130701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 130801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 130901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1310da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 131101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1314da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 131501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 131701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1318da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 131901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 132101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 132201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 132301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 132501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13267ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13277ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13287ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 132901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 133176e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13327ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13337ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13347ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 133501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13369daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13379daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13389daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13399daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13409daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13419daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13429daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 134301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 134401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 134501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 134601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 134701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 134901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 135001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 135101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 135201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 135401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 135501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 135601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 13589d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 135901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 136101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 136201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 136301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 136501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 136601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 136701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1368dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1369dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 13709e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 137101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 137201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 137301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 137401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const LambdaExpr *) { return true; } 137501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1376aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 137701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return SourceRange(IntroducerRange.getBegin(), ClosingBrace); 137801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 137901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13807ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 13817ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 13827ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 138301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 138401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 138501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 138601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 138701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1388ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1389506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1390ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1391987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1392ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1393987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1394ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1395987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1396ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1397ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1398987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1399ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1400ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1401ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1402ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1403ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1404f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1405561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1406ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1407ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1408ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1409ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1411ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1412ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14134c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1414ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1415ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14164c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 1417aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1420ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1421987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1422ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1424987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 142563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1426987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1427987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXNewExpr - A new expression for memory allocation and constructor calls, 14294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// e.g: "new CXXNewExpr(foo)". 14304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14312aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14322aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the allocation function used. 14354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the deallocation function used in case of error. May be null. 14374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14391bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14401bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1441ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1442ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14434bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14444bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1445ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14462aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Location of the first token. 14474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 14482aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14492aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14502aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1452d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1453d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1454d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1455d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1456d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1457d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1458d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1459d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1460d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1461d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1462d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1463d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1464d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1465d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 146660adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 14672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 14684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 14692aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 14702aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 14712aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 14722aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 14732aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 14742aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1475ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 14761548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 14772aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr **placementArgs, unsigned numPlaceArgs, 14782aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 14792aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 14806ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 14812aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation startLoc, SourceRange directInitRange); 14825921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 14835921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 14845921863d8f24084797863b5df37842113bac4352Chris Lattner 14855921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 14862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1488cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1489cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 14906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1491cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 14924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14931bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 14941bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 14951bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1496c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1497c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1498c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1499c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1500c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1501c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1502c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1503c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1504c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1505c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15068026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1507ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15095921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15115921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1513cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1514cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1515cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1516cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1517cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1518cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1519cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1520cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15232aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1524aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1525ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15282aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15322aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15354bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15364bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15374bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15397cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15402aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15412aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15421548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15432aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15442aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15452aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15462aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15472aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15481548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15491548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15502aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15512aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15522aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15531548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15542aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 15552aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15561548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15571548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1558feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 1559feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay const CXXConstructExpr* getConstructExpr() { 1560feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1561feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1562feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 15632aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 15642aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 15652aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 15662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 15672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 15682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15691548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 15714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 15724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 15742aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 15772aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 15802aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 15832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1585ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15865921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 15875921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 15885921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 15892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15905921863d8f24084797863b5df37842113bac4352Chris Lattner } 15915921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 15922aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 15932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15965921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 15972aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceLocation getEndLoc() const; 1598428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 15992aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1600428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1601aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16022aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SourceRange(getStartLoc(), getEndLoc()); 16034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 16094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 161163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16122aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 161363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXDeleteExpr - A delete expression for memory deallocation and destructor 16174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// calls, e.g. "delete[] pArray". 16184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1619d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1620d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1621d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1622d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1623d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1624d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16294076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16304076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16314076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16324076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16336ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16346ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16356ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16386ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16396ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1640bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1641561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1642bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1643d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1644f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16454076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1646d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 164795fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 164895fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16524076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16546ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 16556ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 16566ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 16576ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 16586ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 16596ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 16606ec278d1a354517e20f13a877481453ee7940c78John McCall } 16616ec278d1a354517e20f13a877481453ee7940c78John McCall 16624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 16634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 16654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 16664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1667a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1668a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1669a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 16705833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1671ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1672aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 16744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 16784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 16804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 168263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1683f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1684f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 16854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1687ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Structure used to store the type being destroyed by a 1688a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// pseudo-destructor expression. 1689a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1690ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1691a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1692a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1693ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1694a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1695a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1696ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1697a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1698a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1699ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1700a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1701a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1703a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1704ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1705ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1706ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1707a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1708ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1709a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1710a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1711a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1712ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1713a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1714a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1715ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1716a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1717a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1718e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1720e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1721e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1722e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1723e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1724e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1725e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1726e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1727e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1728a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1729e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1730ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1731a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1733a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1734e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1735a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1736a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1737a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1738e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1739e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1740a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1741a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1742a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1744a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1745a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1746a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1748a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1749a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1750ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1751a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1752f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1754e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1755e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1756e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1757ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1758ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1759e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1760e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1761ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1762fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1763fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1765ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1766a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1767a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1769f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1770ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1771a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1772a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1773a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1774f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1775e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1776e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1777fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1778e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1780de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1781de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1782f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1783de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1784a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1787a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1788a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1789f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 17901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1791f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1792f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1793f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1794ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1796a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1797a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1798ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1799ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1800f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1802a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1803a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1804a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1805a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1806a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1807a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1809ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1810e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1811e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1812e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1813e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1814e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1815ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1816e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1817e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 181826d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1819ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1820e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1821e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1822e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1823ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1824fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1825fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1826ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 182726d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 182826d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1829a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1830ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1831a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1832a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1833a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1834ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1835ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1836a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1837ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1838a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1839a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1840a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1841a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1842a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1843a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1844ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1845a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1846a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1847ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1848a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1849ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1850ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1851a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1853de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1854de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1855de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1856de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1857de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1858de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1859de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1860de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1861de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1862de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1863de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1864aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 18651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1867a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1868a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1869a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 18701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1871a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 187263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1873a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// UnaryTypeTraitExpr - A GCC or MS unary type trait, as used in the 187664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// implementation of TR1/C++0x type trait templates. 187764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 187864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_pod(int) == true 187964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_enum(std::string) == false 188064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 18810dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 18820dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 18830dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 18840dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 188564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 188664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 188764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 188864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 188964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 189064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 189164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 18920dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 18933d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 189464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 189564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1896ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 18970dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 189864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1899f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1900bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1901561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1902bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 19030dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 190464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19060dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19073d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19086d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 1909aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 191064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19110dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 191264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19133d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 191464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19153d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1916ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19170dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 191864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 191964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 192064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 192164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 192264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 192464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 192563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19266d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 192760adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 192864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 192964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// BinaryTypeTraitExpr - A GCC or MS binary type trait, as used in the 19316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// implementation of TR1/C++0x type trait templates. 19326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// __is_base_of(Base, Derived) == true 19346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19486ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 19516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 19526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 1954ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 1955ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 19566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 1957ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 19586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1959bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1960561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 1961561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 1962bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1963bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 19646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 19656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 19666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1970f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 19716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 1972aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 19786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 19816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 19826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 1985ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19936ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 199463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 19986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 20004ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 20014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 20024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 20034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 20044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 20054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20144ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20154ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20164ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20174ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20184ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20194ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20274ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20284ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20294ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20324ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20334ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20344ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20354ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2080aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParenLoc); } 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const TypeTraitExpr *) { return true; } 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 20894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 20914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 20924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 20944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 209521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// ArrayTypeTraitExpr - An Embarcadero array type trait, as used in the 209621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// implementation of __array_rank and __array_extent. 209721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 209821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// __array_rank(int[10][20]) == 2 209921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// __array_extent(int, 1) == 20 210021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 210199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 210299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 210321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// ATT - The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 210421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 210521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The value of the type trait. Unspecified if dependent. 210721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 210821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The array dimension being queried, or -1 if not used 211021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 211121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// Loc - The location of the type trait keyword. 211321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 211421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// RParen - The location of the closing paren. 211621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 211721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley /// The type being queried. 211921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 212021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 212121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 212221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 212321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 212421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 212521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 212621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2127561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2128561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 212921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 213021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 213121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 213221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 213321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 213421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 213521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 213621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 213721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 213825aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 213925aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 2140aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar virtual SourceRange getSourceRange() const LLVM_READONLY { 2141ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return SourceRange(Loc, RParen); 2142ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 214321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 214721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 214921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 215121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 215321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 215521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 215621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const ArrayTypeTraitExpr *) { return true; } 215821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 216021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 216121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 216321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 216421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 2165552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// ExpressionTraitExpr - An expression trait intrinsic 2166552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 2167552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// __is_lvalue_expr(std::cout) == true 2168552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// __is_lvalue_expr(1) == false 2169552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 2170552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// ET - The trait. A ExpressionTrait enum in MSVC compat unsigned. 2171552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 2172552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// The value of the type trait. Unspecified if dependent. 2173552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2174552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2175552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// Loc - The location of the type trait keyword. 2176552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2177552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2178552622067dc45013d240f73952fece703f5e63bdJohn Wiegley /// RParen - The location of the closing paren. 2179552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2180552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2181552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2182552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2183ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2184552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2185552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2186552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2187552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2188552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2189552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2190561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2191552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2192ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2193ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2194552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2195552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2196552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2197552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2198552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2199aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 2200552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2201552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2202552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2203552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2204552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2205552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2206552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2207552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2208552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2209552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2210552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const ExpressionTraitExpr *) { return true; } 2211552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2212552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2213552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2214552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2215552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2216552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2217552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2218552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22197bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 22207bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \t UnresolvedLookupExpr or an \t UnresolvedMemberExpr. 22217bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 2222d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// The common name of these declarations. 2223d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2224d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2225d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2226d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2227d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2228ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22297bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22307bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2231928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2232928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2233928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2234ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2235a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2236e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2237e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2238e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2239e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2240e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2241e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2242e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2243e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2244e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2245e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2246e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22477bb12da2b0749eeebb21854c77877736969e59f2John McCall 2248bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 22494c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2250e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 22512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2252bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2253bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2254561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2255561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2256561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 22577bb12da2b0749eeebb21854c77877736969e59f2John McCall 2258a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2259d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2260d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2261a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2262bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2263bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2264bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 22657bb12da2b0749eeebb21854c77877736969e59f2John McCall 2266bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 22679c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 22689c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 22699c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 22709c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 22719c72c6088d591ace8503b842d39448c2040f3033John McCall }; 22729c72c6088d591ace8503b842d39448c2040f3033John McCall 22737bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 22747bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 22757bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 22769c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 22779c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 22789c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 22797bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 22807bb12da2b0749eeebb21854c77877736969e59f2John McCall 22819c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 22829c72c6088d591ace8503b842d39448c2040f3033John McCall 22837bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 22849c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 22859c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 22869c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 22879c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 22889c72c6088d591ace8503b842d39448c2040f3033John McCall 22899c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 22909c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 22919c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 22929c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 22939c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 22949c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 22959c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 22969c72c6088d591ace8503b842d39448c2040f3033John McCall } 22979c72c6088d591ace8503b842d39448c2040f3033John McCall 22989c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 22997bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23007bb12da2b0749eeebb21854c77877736969e59f2John McCall 2301e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall /// Gets the naming class of this lookup, if any. 2302e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2303e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 23047bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2305928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2306ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2307928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2308928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2309ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23107bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the number of declarations in the unresolved set. 2311928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23127bb12da2b0749eeebb21854c77877736969e59f2John McCall 23132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Gets the full name info. 23142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23167bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the name looked up. 23172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23187bb12da2b0749eeebb21854c77877736969e59f2John McCall 23197bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the location of the name. 23202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23217bb12da2b0749eeebb21854c77877736969e59f2John McCall 23227bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the nested-name qualifier, if one was given. 2323ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2324ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23254c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23267bb12da2b0749eeebb21854c77877736969e59f2John McCall 2327ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Fetches the nested-name qualifier with source-location information, if 23284c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor /// one was given. 23294c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23307bb12da2b0749eeebb21854c77877736969e59f2John McCall 2331e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2332e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2333e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2334e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2335e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2336e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2337e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2338e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2339e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2340e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2341e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2342e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2343e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2344e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2345e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2346e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2347e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2348e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2349e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2350e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23517bb12da2b0749eeebb21854c77877736969e59f2John McCall 2352e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2353e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2354e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2355e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether this expression had explicit template arguments. 2356e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2357e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2358e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2359e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2360e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2361e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2362e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2363e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2364e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2365e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23667bb12da2b0749eeebb21854c77877736969e59f2John McCall 2367b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 23687bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 23697bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23707bb12da2b0749eeebb21854c77877736969e59f2John McCall 2371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2372e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2378e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Copies the template arguments into the given structure. 2380e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2381e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2382e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2384096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2385096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2386096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2387b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2388096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2389096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 23907bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23917bb12da2b0749eeebb21854c77877736969e59f2John McCall 23927bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 23937bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 23947bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 23957bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23967bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 23974045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 23984045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 23994045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 24007bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 24017bb12da2b0749eeebb21854c77877736969e59f2John McCall 24027bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 24037bb12da2b0749eeebb21854c77877736969e59f2John McCall/// parsing but could not resolve to a specific declaration. This 24047bb12da2b0749eeebb21854c77877736969e59f2John McCall/// arises in several ways: 24057bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24067bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24077bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24087bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24097bb12da2b0749eeebb21854c77877736969e59f2John McCall/// These never include UnresolvedUsingValueDecls, which are always 24107bb12da2b0749eeebb21854c77877736969e59f2John McCall/// class members and therefore appear only in 24117bb12da2b0749eeebb21854c77877736969e59f2John McCall/// UnresolvedMemberLookupExprs. 24127bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2413ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2414ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2415ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2416ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2417ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2418ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be considered an associated namespace 2419ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// for the purposes of argument-dependent lookup. See C++0x [stmt.ranged]p1. 2420ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace; 2421ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 24227453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24237453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24247453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24257453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24267bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24277bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24287bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24297bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24307bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24317bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2432f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2433ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2434928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24354c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2436e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2438ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2439bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2440ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2441ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace) 2442e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2443e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2444ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2445ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace(StdIsAssociatedNamespace), 2446ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2447ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2448ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2449bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2450bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2451ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(false), StdIsAssociatedNamespace(false), Overloaded(false), 2452ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith NamingClass(0) 2453bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2454bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 24554c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2456ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2457ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2458ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2459c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24604c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24612577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 24625a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2463ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2464ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith UnresolvedSetIterator End, 2465ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool StdIsAssociatedNamespace = false) { 2466ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert((ADL || !StdIsAssociatedNamespace) && 2467ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith "std considered associated namespace when not performing ADL"); 2468e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2469e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2470ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith ADL, Overloaded, 0, Begin, End, 2471ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith StdIsAssociatedNamespace); 2472ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2473ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2474f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2475c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24764c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2477e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2479f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 24809d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 24825a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2483f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2484bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2485e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2486bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2487bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2488ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2489ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2490ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2491ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2492ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// True if namespace ::std should be artificially added to the set of 2493ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith /// associated namespaecs for argument-dependent lookup purposes. 2494ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith bool isStdAssociatedNamespace() const { return StdIsAssociatedNamespace; } 2495ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 24967453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 24977453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 24987453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2499c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2500c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2501c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2502c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2503c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 2504aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 25052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 2506ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (getQualifierLoc()) 25074c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2508ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 25094c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 2510f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2511ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2512ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 251363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2514ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2515ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2516ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2517ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2518ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 2519ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2520ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25215953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25225953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25235953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2524ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2525a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25265953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2527865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25285953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25295953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25305953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2531865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2532ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2533a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2534a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2535865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2536ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2537ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 253800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2539ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 254000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 254100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25425953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2543e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2544e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2545e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2546e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2547e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2548e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2549e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2550e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2551e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2552e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2553e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2554e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2555e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2556e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2558f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 255900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2560e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25612577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2562bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2563f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2564f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2565f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 256600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2567e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25682577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2569e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 25705953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 257112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2572e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 257312dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 257412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 25755953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 25762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 25772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 25782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 25792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 25805953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 25815953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 25822577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 25835953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 258400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 258500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 258600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2587ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2588ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2589ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2590ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2591ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2592ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 259300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 25941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2595e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2596e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2597e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2598e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2599e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2600e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2601e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2602e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2603e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2604e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2605e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2606e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2607e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2608e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2609e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2610e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2611e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2612e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2613e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2614e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2615e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2616e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2617e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2618e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2619f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2620e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2622f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2623f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2624f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2626b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 262712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2628b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 262912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 263012dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2631f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2632b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2633f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2634b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2635f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2637096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2638096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2639096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2640b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2641096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2642096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2643096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2644096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2645f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2646f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2647f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2648f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2649f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2650ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2651f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2652f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2653d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2654d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2655f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2656f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2657f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2659aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 266000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 2661f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 2662f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 2663f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2664edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2667f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2668edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2669f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 2670f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 267163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 26724045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 26734045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 26744045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2675edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26774765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 26784765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 26794765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 268080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 268180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 268280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 268380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 268480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 268580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 268680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 26874765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 268880ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 268980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 269080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 269180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 269280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 269380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 269480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 269580ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 269602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 269980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 270002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 270180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 270280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 270380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 270480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 270580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 270680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 270780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2708ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 270988eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 271080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 271180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 271380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 271480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2715ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 271680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 271780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2718f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 271980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 272180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 272480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2725d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2728f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 272980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 273080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 273180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 273288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 273302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2734aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 273596be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 273696be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 273702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 273802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 273902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27404765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 274102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 27424765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 274302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 274402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 274563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 274602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 274702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2748d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2749d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2750d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2751d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2752d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2753d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// CXXUnresolvedConstructExpr have the form \c T(a1, a2, ..., aN), 2754d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// where \c T is some type and \c a1, a2, ..., aN are values, and 2755d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// either \C T is a dependent type or one or more of the \c a's is 2756d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2757d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2758d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2759d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2760d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2761d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2762d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2763d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2764d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2765d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2766d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2767d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2768d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2769d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2770d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2771ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2772ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2773d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2774d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2775d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2776d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2777d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2778d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2779d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2780d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 27811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2782ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2783d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2784d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2785d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2786d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 27888dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2789ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 27908dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2791ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2792ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2793d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 27941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2795ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2796d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2797d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2798d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2799d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2800d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28018dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 28028dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 28038dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2804d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2805d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2806ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2807d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2808ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2809ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2810ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2811ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2812d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2813d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2814d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2815d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2816d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2817d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2818d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2819d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2820d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2821d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2822d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2823d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2824d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2825d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2826d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2827d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2828d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28291dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28301dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28311dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28321dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28331dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28341dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2837d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2838d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2839d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2840d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2841d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28421dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28431dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28441dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28451dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28461dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28478dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28488dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28498dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28508dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28518dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2852aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 2853ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2855d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2856d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2857d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2858d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2859d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 286063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 286163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 286263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 286363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2864d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2865d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2866ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2867ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2868ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2869aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2870aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2871aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2872aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2873865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 28741c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2875aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 28761c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 28771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2878aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2879aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2880aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2881aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 28821c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 28831c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 28843b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 28851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2886e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2887e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2888e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 28891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28901c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 28911c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 28921c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2893a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 28947c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 28951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2896c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2898c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2899c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 290046bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2901c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2902865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2903c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29061c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2907a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2910e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2911e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2912e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2913e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2914e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2915e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2916e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2917e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2918e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2919e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2920e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2921865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2922aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29233b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29247c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2925e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29263b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2928d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29301c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2931865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2932bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2933bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2934bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29357c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2936bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2937bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2939865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2941aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29423b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29437c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2944e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29453b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2947d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29498dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2950e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2951def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29528dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2953aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2954aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2955aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29564c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2957aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29581c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29591c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2960aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2961aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2962aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2963aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 29641c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2965aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2966aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29671c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 29681c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 29691c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 29701c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 29711c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 29721c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 29731c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2974a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2975a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 2976ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2977ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 29787c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29807c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 29817c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 29827c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2983ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2984ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2985c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2986c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2987c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2988c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2989c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 29901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 29911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2992c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2993c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2994c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 2995c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 29961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 2997c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 2998c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 29991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 30011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 30022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 30032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 30042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 30052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30091c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30111c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30131c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3014e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3015e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3016e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3017e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3018e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3019e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3020e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3021e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3022e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3023e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3024e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3025e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3026e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3027e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3028e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3029e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3030e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3031e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3032e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3033e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3034e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3035e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3036e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3037e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30383b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30393b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3040e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 304336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3044b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3045e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3046b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 304736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 304836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 304936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 305036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3051b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 305236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3053096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3054096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3055096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3056096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3057096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3058096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 3059b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 3060096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3061096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 306236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 306336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3064d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3065d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3066d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3067096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3068d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3069d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 30708dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 30718dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3072096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 30738dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 30748dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 30753b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 30763b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3077833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3078096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 30793b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30813b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 30823b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 30831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3084096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 30853b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3087aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3088aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 3089aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3090aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 3091aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 30927c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3093aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 30942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3096aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 3097aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 3098aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 30992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 3100aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 31011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3104865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 31051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 3106865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 31071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31081c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 310963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 311063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 311163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 311263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31134045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31144045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31154045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31161c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31171c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3118129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3119aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3120aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3121aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3122aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3123aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3124aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3125aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3126aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3127aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3128aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3129aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3130aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31317bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3132129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3133129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3134129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3135129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3136129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3137129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3138129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3139129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31407bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31417bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31427bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31437bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31447bb12da2b0749eeebb21854c77877736969e59f2John McCall 31457bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31467bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3147129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3148129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3149129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3150129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3152aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3153129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31544c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3155e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31562577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31575a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31585a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3159ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3160a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3161a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3162a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3163129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31644c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3165ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3166129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3167129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3168bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3169aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31714c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3172e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31745a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31755a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3176129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3177a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3178e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3179def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3180a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3181aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3182aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3183aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 31844c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3185aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3186129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3187129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3188aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3189aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3190aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3191aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 31922f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 31932f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 31942f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 31952f27bf854f0519810b34afd209089cc75536b757John McCall } 3196129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3197aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3198a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3199a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3200a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3201a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3202aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3203129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3204129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3205129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3206129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3207129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3208129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3209129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3210c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3211c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3212c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3217129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3218129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32197bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3220129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3221129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3222129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32237bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3224129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3225aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 32262577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 3227aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3228aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 32294c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 32304c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3231aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3232129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 3233129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 3234129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 3235129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3236129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3237129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3238129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3239129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3240129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 3241129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3242129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 324363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 324463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 324563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 324663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3247129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3248129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32492e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32502e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32512e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32522e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32532e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32542e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32552e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32562e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32572e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3258c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3259c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32602e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32612e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32622e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3263f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3264f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3265bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3266561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3267bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 32686b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 32696b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 32706b219d082434394c1ac401390ec1d1967727815aSebastian Redl 32716b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 32726b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 32732e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 32742e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32752e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 32762e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3277aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 32782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 32802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 32822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 32832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 32842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 32852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 328763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 32882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 32892e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3290ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3291be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3292be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3293be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3294be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3295be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3296be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3297be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3298be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3299be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3300be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3301be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3302be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3303be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3304ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3305be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3306be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3307be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3308be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3309ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 331067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 331167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 331267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 331367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 331467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 331567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3316ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3317be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3318ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3319be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 332067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3321ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3322be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 332367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 332467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 3325ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3326ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3327561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3328561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3329be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 333067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3332be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3334ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3335be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3336be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3337be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3338be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3339be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3340be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3341be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3342be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3343be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3344ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3345ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 334667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 334767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 334867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 334967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3350ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 335167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 335267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3353ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3354aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 335563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 335663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3357be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3358be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3359be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3360be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3361be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 3362ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3363be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 336463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 336563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 336663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3367be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3368ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 33717bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3372e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 33747bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 33777bb12da2b0749eeebb21854c77877736969e59f2John McCall} 33787bb12da2b0749eeebb21854c77877736969e59f2John McCall 3379ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3380ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3381ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3382ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3383ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3384ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3385ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3386ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3387ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3388ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3389ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3390ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3391ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3392ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3393ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3394ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3395ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3396ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3397ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3398ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3399ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3400ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3401ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3402ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3403ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3404ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3405ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3406ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3407ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3408ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3409ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3410ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3411ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3412ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3413ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3414ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3415ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3416ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3418561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3419ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3422ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3424ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3425ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3426ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3428ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3429ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3430561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3431ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3432ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3435ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3437ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3438ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3439ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3440ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3441ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3442ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3443ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3444ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3445ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3446ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3447ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3449ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3450ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3452ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3453c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3454ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3455ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3456ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3457ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3459ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3460aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 346163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 346263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3463ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3464ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3465ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3466ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3467ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 3468ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3469ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 347063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3471ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3472c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 347391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 347491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 347591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 347691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 347791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 347891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 347991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 348091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 348191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 348291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 348391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 348491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 34857110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 34867110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 34887110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 34897110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 349091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3491ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 349291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 349391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 349491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 349591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 349691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 349791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 349891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 349991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 350091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 350191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 3503aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 350491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3506ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 350791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 350891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 351091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 351191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3512ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmExpr *) { 3513ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 351491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3515ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 351691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 351791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 351891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 351991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3520c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3521c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3522c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3523c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3524c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3525ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// parameter lists, this node node is used to represent a non-type template 3526c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3527c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3528c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3529c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3530c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3531c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3532c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3533c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3534c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3535ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3536c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3537c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3538c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3539ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3540c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3541c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3543c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3544c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3545ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35467110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3547c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3548ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35497110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3550ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3552ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3553c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3556ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3559c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3560c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3561c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3562ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3563c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3564c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3565c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3566c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3567aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 3568ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3569c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3570c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3571c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3572ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 3573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 3574c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3575ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3576c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 357763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3578c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 357903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 358003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 358103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 358203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 358303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 358403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 358503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 358603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 358703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 358803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 358903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 359003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 359103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 359203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 359303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 359403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 359503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 359603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 359703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 359803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3599d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3600ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 360103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 360203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3603ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 360403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3605ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3606b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3607b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 360803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 360903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3610561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 361103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 361203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3613ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3614ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 361503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3616ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 361703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 361803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 361903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3620ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 362103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 362203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3623ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 362403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 362503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3626ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3627aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3628aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar return Temporary->getSourceRange(); 3629aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3630ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 363103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 363203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 363303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3634ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool classof(const MaterializeTemporaryExpr *) { 3635ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return true; 363603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3637ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 363803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 363903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 364003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3641ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 36425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 36435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3645