ExprCXX.h revision 66874fb18afbffb8b2ca05576851a64534be3352
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 17478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer#include "clang/AST/Decl.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 19d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall#include "clang/AST/TemplateBase.h" 2030a2e16f6c27f888dd11eba6bbbae1e980078fcbChandler Carruth#include "clang/AST/UnresolvedSet.h" 2101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/ExpressionTraits.h" 2201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/Lambda.h" 2301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor#include "clang/Basic/TypeTraits.h" 24aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXConstructorDecl; 29aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXDestructorDecl; 30aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXMethodDecl; 31aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXTemporary; 32aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass TemplateArgumentListInfo; 332fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramerclass UuidAttr; 344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek// C++ Expressions. 371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A call to an overloaded operator written using operator 403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax. 413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// Represents a call to an overloaded operator written using operator 433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax, e.g., "x + y" or "*p". While semantically equivalent to a 443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// normal call, this AST node provides better information about the 453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntactic representation of the call. 463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 473fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In a C++ template, this expression node kind will be used whenever 483fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// any of the arguments are type-dependent. In this case, the 493fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function itself will be a (possibly empty) set of functions and 503fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function templates that were found by name lookup at template 513fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// definition time. 52b4609806e9232593ece09ce08b630836e825865cDouglas Gregorclass CXXOperatorCallExpr : public CallExpr { 53063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief The overloaded operator. 54063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind Operator; 554548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange Range; 56063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 57be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Record the FP_CONTRACT state that applies to this operator call. Only 58be9af1288881110e406b87914162eaa59f1e5918Lang Hames // meaningful for floating point types. For other types this value can be 59be9af1288881110e406b87914162eaa59f1e5918Lang Hames // set to false. 60be9af1288881110e406b87914162eaa59f1e5918Lang Hames unsigned FPContractable : 1; 61be9af1288881110e406b87914162eaa59f1e5918Lang Hames 624548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRangeImpl() const LLVM_READONLY; 63b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 653b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> args, QualType t, ExprValueKind VK, 66be9af1288881110e406b87914162eaa59f1e5918Lang Hames SourceLocation operatorloc, bool fpContractable) 673b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, t, VK, 68f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 69be9af1288881110e406b87914162eaa59f1e5918Lang Hames Operator(Op), FPContractable(fpContractable) { 704548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis Range = getSourceRangeImpl(); 714548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis } 721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 73ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 76b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 77b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 78063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 79b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 80b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 81b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 82b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 83b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 84b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 85b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 86b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 8765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 8865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 894548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRange() const { return Range; } 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 93b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 944548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis 95be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Set the FP contractability status of this operator. Only meaningful for 96be9af1288881110e406b87914162eaa59f1e5918Lang Hames // operations on floating point types. 97be9af1288881110e406b87914162eaa59f1e5918Lang Hames void setFPContractable(bool FPC) { FPContractable = FPC; } 98be9af1288881110e406b87914162eaa59f1e5918Lang Hames 99be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Get the FP contractability status of this operator. Only meaningful for 100be9af1288881110e406b87914162eaa59f1e5918Lang Hames // operations on floating point types. 101be9af1288881110e406b87914162eaa59f1e5918Lang Hames bool isFPContractable() const { return FPContractable; } 102be9af1288881110e406b87914162eaa59f1e5918Lang Hames 1034548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtReader; 1044548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtWriter; 105b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 106b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 10788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 10888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 10988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 11088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 11188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 11288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 11388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 11488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 11588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 11688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 1173b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer CXXMemberCallExpr(ASTContext &C, Expr *fn, ArrayRef<Expr*> args, 118f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 1193b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, t, VK, RP) {} 12088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 1211817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 1221817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 1231817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 12488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 12588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 12688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 127b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek Expr *getImplicitObjectArgument() const; 128ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 129b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek /// Retrieves the declaration of the called method. 130b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek CXXMethodDecl *getMethodDecl() const; 13188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 132007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 133007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 134007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 135007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 136007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 1370cf3c0eecbff007cea2750c113894b47d9e09f33David Blaikie CXXRecordDecl *getRecordDecl() const; 138007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 14088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 14188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 14288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 14388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 144e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne/// CUDAKernelCallExpr - Represents a call to a CUDA kernel function. 145e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneclass CUDAKernelCallExpr : public CallExpr { 146e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneprivate: 147e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne enum { CONFIG, END_PREARG }; 148e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 149e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbournepublic: 150e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, Expr *fn, CallExpr *Config, 1513b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> args, QualType t, ExprValueKind VK, 1523b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SourceLocation RP) 1533b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CUDAKernelCallExprClass, fn, END_PREARG, args, t, VK, RP) { 154e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne setConfig(Config); 155e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 156e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 157e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, EmptyShell Empty) 158e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, END_PREARG, Empty) { } 159e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 160e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne const CallExpr *getConfig() const { 161e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return cast_or_null<CallExpr>(getPreArg(CONFIG)); 162e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 163e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CallExpr *getConfig() { return cast_or_null<CallExpr>(getPreArg(CONFIG)); } 164e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne void setConfig(CallExpr *E) { setPreArg(CONFIG, E); } 165e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 166e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const Stmt *T) { 167e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return T->getStmtClass() == CUDAKernelCallExprClass; 168e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 169e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne}; 170e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 17149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 17249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 17349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 17449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 17549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 17649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 17749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 17849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1811d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 182ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 184f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 185f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1861d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1871d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1881d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1891d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 19049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 191f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 192f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 193ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1941d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 195ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 19749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 19849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 199a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 200a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 201a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 202a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 2031d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 2041d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 205ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 20765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 20865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 2091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 21049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 21149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 21249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 21349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 21449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 21549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 21649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 21749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 21849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 2191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 22049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 22149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 222ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// CXXStaticCastExpr - A C++ @c static_cast expression 223ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// (C++ [expr.static.cast]). 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 22649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 22749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 228f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 229f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 2301d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 231f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 2321d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 23349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 234f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 235f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 236f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 237f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 238f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 239f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 240f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 241ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2421d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 243f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 244f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 245ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 24749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 24849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 24949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 25049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 25149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 25349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 25549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 25649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 25749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 258f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 259f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2601d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 261f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2621d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 26349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 264f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 265f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 266f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 267f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 268f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 269f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 270f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 271ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2721d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 273ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 274f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 275f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 276ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2770fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2780fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 28149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 28249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 28349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 28449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 28549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 28649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 28849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 28949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 29049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 291f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 292f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 293ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 2941d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 295f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2961d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 29749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 298f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 299f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 300f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 301f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 302f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 303f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 304f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 305ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3061d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 307f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 308f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 309ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 31149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 31249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 31349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 31449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 31549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 31649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 31849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 31949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 32049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 321f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 322ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 3231d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 324ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3251d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 32649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 327ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 328f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 329f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 330f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 331f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 332f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 333ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3341d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 335f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 336ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 33849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 33949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 3401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3411060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3429fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// UserDefinedLiteral - A call to a literal operator (C++11 [over.literal]) 3439fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// written as a user-defined literal (C++11 [lit.ext]). 3449fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3459fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Represents a user-defined literal, e.g. "foo"_bar or 1.23_xyz. While this 3469fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// is semantically equivalent to a normal call, this AST node provides better 3479fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// information about the syntactic representation of the literal. 3489fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3499fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Since literal operators are never found by ADL and can only be declared at 3509fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// namespace scope, a user-defined literal is never dependent. 3519fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithclass UserDefinedLiteral : public CallExpr { 3529fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// \brief The location of a ud-suffix within the literal. 3539fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation UDSuffixLoc; 3549fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3559fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithpublic: 3563b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UserDefinedLiteral(ASTContext &C, Expr *Fn, ArrayRef<Expr*> Args, 3579fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith QualType T, ExprValueKind VK, SourceLocation LitEndLoc, 3589fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation SuffixLoc) 3593b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, UserDefinedLiteralClass, Fn, 0, Args, T, VK, LitEndLoc), 3603b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UDSuffixLoc(SuffixLoc) {} 3619fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith explicit UserDefinedLiteral(ASTContext &C, EmptyShell Empty) 3629fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Empty) {} 3639fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3649fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// The kind of literal operator which is invoked. 3659fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith enum LiteralOperatorKind { 3669fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Raw, ///< Raw form: operator "" X (const char *) 3679fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Template, ///< Raw form: operator "" X<cs...> () 3689fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Integer, ///< operator "" X (unsigned long long) 3699fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Floating, ///< operator "" X (long double) 3709fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_String, ///< operator "" X (const CharT *, size_t) 3719fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Character ///< operator "" X (CharT) 3729fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith }; 3739fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3749fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getLiteralOperatorKind - Returns the kind of literal operator invocation 3759fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// which this expression represents. 3769fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LiteralOperatorKind getLiteralOperatorKind() const; 3779fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3789fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getCookedLiteral - If this is not a raw user-defined literal, get the 3799fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// underlying cooked literal (representing the literal with the suffix 3809fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// removed). 3819fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith Expr *getCookedLiteral(); 3829fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const Expr *getCookedLiteral() const { 3839fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return const_cast<UserDefinedLiteral*>(this)->getCookedLiteral(); 3849fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3859fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3860265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocStart() const { 3870265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara if (getLiteralOperatorKind() == LOK_Template) 3880265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getRParenLoc(); 3890265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getArg(0)->getLocStart(); 3900265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 3910265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocEnd() const { return getRParenLoc(); } 3920265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3930265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3949fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 3959fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 3969fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 3970265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getUDSuffixLoc() const { return UDSuffixLoc; } 3989fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3999fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 4009fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 4019fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4029fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 4039fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 4049fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 4059fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4069fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 4079fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 4089fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 4099fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 4121060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 4131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 4141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 4151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 417bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 418561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 419f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 4208b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 421eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 422eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 423eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 425eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 42865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 430eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 431eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 432eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4341060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 43863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4426e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4446e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 446bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 447561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 448f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 450eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 451eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 452eb7f96141f754150a92433286fa385910a22f494Sam Weinig 45365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 45465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 4556e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 456eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 457eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 458eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4616e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4626e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 46363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4646e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 466c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 469c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 471c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 47357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 474c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 475c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 47757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 478f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 47957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 48057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 48157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 482bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 483561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 484bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 48557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 486ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 48757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 488f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4892850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 490bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4912850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 492bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 493561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 494bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 49557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 496c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 49714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 49814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 49914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 50014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 50114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 50214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 50314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 504ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5050d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// Determine whether this typeid has a type operand which is potentially 5060d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// evaluated, per C++11 [expr.typeid]p3. 5070d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith bool isPotentiallyEvaluated() const; 5080d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith 50957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 510ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 51157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 51257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 51357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 51457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 51557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 51657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 517c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 51857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 519c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 52014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 52114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 52214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 52314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 52414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 525ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 52614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 527c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 52857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 529c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 530ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 531030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 532030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 533030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 534030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 535ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 53665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 53765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 538aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 53914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 540ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 541c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 542c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 543c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 544c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 545c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 54663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 54763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 54863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 54963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 55063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 551c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 552c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 55301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 55401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 55501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 55601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 55701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 55801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 55901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 56001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 56101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 56201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 56301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5642e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 565bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 566561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 567bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 56801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 569ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 57001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5712e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 572bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 573561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 574bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 57501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 57601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 57901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 58001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 58101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 58201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 58301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 584ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 586ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 58801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 59201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 59401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 59501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 59601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 59701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 59801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 59901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 601ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 60201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 60301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 60401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 60501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 606ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 60701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 60801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 60901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 61001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 61101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 61265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 61365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 614aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 61501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 616ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 61701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 61801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 61901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 62001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 621c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber /// Grabs __declspec(uuid()) off a type, or returns 0 if there is none. 622c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber static UuidAttr *GetUuidAttrOfType(QualType QT); 623c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber 62401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 62563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 62763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 62863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 62963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 63001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 63101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 632796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 633796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 634796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 635796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 636796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 637796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 638796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 639796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 640796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 641796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 642796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 643796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 644796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 645828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 646ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 647796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 648828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 649f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6502850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6512850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 652bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 653561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 654bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 655828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 656796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6572fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6582fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6592fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6602fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6612fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 66265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 66365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 664796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 665828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 666828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 667ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 669796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 670796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 671796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 672796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 67363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 674796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 675796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 683bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 684bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 685ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 686bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 687ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 692bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 693bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 694bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 695561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 696bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 697bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 6982fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 6992fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 7001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 7011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 70242e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 70342e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 7041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 705bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 706bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 707bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 708bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 709bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 710bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 711ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 71265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ThrowLoc; } 71365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 7141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 71565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return ThrowLoc; 71665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getSubExpr()->getLocEnd(); 7171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 7211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7231060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 72463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 72663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 7281060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7301060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 73465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 73565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 736ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 73765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 73865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 73965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 741036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 742036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 743ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 744036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 74665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 74765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7482333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 749dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 750561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 751036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 75265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 754036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 755dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 756dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 757ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 758bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 75965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 76065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 761ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 763030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 764030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 765ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 768036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 769036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 770036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 771f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 77365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 77465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 776036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 777ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 77865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 779ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7801060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 78165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 78265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 783ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 78665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 78765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 788ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 78965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 790ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 79165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 79265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 793ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 79465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 7951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 796ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 797036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 798036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 799ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 80065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen // Default argument expressions have no representation in the 80165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen // source, so they have an empty source range. 80265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); } 80365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); } 80463b6ebe4e732f20fa24ea0666ed438dd5004cc20Benjamin Kramer 80563b6ebe4e732f20fa24ea0666ed438dd5004cc20Benjamin Kramer SourceLocation getExprLoc() const LLVM_READONLY { return Loc; } 8061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 8071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 8081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 8091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 8101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 8111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 81263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 8138a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 81460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 8153397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 8161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 817987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 818c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 819c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 820c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 821b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 823b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 824c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 825c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 826c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 8271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 828b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 830f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 83176f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 83276f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 83376f3f69db1416425070177243e9f390122c553e0Richard Smith } 834c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 835fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 836ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 837ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 838ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 839ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 840ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 841ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 842ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 843ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 844ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 845ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 846ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 847ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 848ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 849ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 850fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 851fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 853fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 854fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 855bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 856bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 857ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 858bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 859561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 860bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 861bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 86288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 863fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 864d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 865d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 866ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 868fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 871f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 872d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 873f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 874fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 875fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 87688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 877fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 87865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 87965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExpr->getLocStart(); 88096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 88165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();} 882fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 883fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 884fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 885fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 886fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 887fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 888fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 88963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 890fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 891fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 8920982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a call to a C++ constructor. 89315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 89472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 89572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 89672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 89772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 898059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 899059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 90072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 901ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 90272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 90315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 90415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 90599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 906428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 907a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 90816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 9097cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 9105b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 91116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 91272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 91315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 91799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 918bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 9193b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9207cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9215b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9225b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9235b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9245b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 925bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 9266d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9276d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 9285b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 9295b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9305b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9315b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9326d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 93315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9346d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9356d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9366d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9375b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9385b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9395b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9405b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9416d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9428e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 94399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 9453b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9467cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9475b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9485b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9495b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9505b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 952d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 95339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 954ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 95599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 95699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 957ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 958d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 959d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 96039da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9617cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9627cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9637cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9647cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9657cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9667cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9675b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9685b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9695b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9705b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 97116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 97216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 97316006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 97416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 97516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 97616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 977ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9789db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9799db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 98024eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 98124eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 98272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 983ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 98472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 98572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 986ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 98715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 98815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 99115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 99215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 99315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 99415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 995a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 99615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 99715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 998bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 999bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 1000bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 1001bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 1002bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 1003bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 1004bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 1005bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 1006bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10082eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 10092eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 10102eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 10112eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 10122eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 10132eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 101465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 101565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 1016428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 1017a770a4daf77037b5526dba1c447d61acf0aba01aDaniel Jasper void setParenRange(SourceRange Range) { ParenRange = Range; } 101815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1020524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 1021524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 102215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 102563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 102663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 102763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10286d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 102960adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 103015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 103115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10320982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents an explicit C++ type conversion that uses "functional" 10330982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// notation (C++ [expr.type.conv]). 10340982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 10350982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// Example: 10360982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 10370982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// x = int(0.5); 10380982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 103949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1040987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1041987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1042f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1043f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1044f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1046f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1047ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1048f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1049f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10500aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10510aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1052f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1053f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1054f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1055f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1056f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1057f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1058f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1059f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1060f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1061f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1062f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1063f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1064f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1065ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1066987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1067ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1068987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1069ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return TyBeginLoc; } 107265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 107365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1076987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1077987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1078987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1079506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1080506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1081506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1083506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1084ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1085ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1086506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1087506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1088506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1089506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1090506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1091506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1092506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1093506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1094524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1095ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1096506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1097506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1099ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 11003b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 1101428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 11027cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 1103c83c2300e1946fea78ecd3c2e93d9c2dd2638a2bRichard Smith bool ListInitialization, 1104c83c2300e1946fea78ecd3c2e93d9c2dd2638a2bRichard Smith bool ZeroInitialization); 11056d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1106ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1107506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1108ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1109ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 111065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 111165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 1112ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1114506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1115506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 11166d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 111760adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1118506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1119506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 112001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 112101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 112201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 112301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 112401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 112501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 112601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 1127d9ffa0c39ff9c71e2729eac4cdcf32b377c1d3b6Dmitri Gribenko/// [=](double value) { return value > cutoff; }); 112801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 112901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 113001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 113101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 113201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 113301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 113401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 113501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 113601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 113701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 113801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 113901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 114001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 114401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 114501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 114601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 114701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 114801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 114901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 115001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11517ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11527ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 115401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 115501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 115701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 116001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 116101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1162dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1163dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1164dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1165dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1166dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 116901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 117201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 117301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 117401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 117501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 117601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 117701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 117801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11797ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11807ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11817ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11827ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11899daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 119001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 119101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 11929daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 119901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 123001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 123201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 123301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 123401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 123601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 123701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 123801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 124001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 124101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 124201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 124301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 124401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 124501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 124601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 124801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 124901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 125001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 125101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 125201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 125301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 125401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 125501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 125601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 125701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 125801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 125901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 126001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 126101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 126201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 126301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 126401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1265dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 126601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12679daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12689daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1269612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1270612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 127101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12729d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12739d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12749d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12759d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12769d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12779d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12789d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12799d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12807ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12817ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12827ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12837ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12847ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12857ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12867ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12877ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12887ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12897ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12907ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 12917ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 1292a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith unsigned ArrayIndexSize = 1293a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::RoundUpToAlignment(sizeof(unsigned) * (NumCaptures + 1), 1294a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::alignOf<VarDecl*>()); 12957ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 129688d2f678e70ab9360f09f3534d9223e6ec20f129Richard Smith reinterpret_cast<char*>(getArrayIndexStarts()) + ArrayIndexSize); 12977ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12987ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 129901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 130001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 130101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 130201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 130301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 130401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 130501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 130601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1307dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 130801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 13099daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 13109daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1311612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1312612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13149d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 13159d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 13169d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 13179d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 13189d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 131901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 132001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 132101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 132201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 132301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 132501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 132601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 132701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1329da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 133001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 133201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1333da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 133401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13357ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 13367ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 13377ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 133801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 133901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1340da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 134101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 134301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1344da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 134501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 134701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1348da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 134901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 135101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1352da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 135301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 135501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 135601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 135701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 135901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13607ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13617ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13627ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 136301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 136576e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13667ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 136901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13709daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13719daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13729daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13739daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13749daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13759daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13769daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 137701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 137801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 137901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 138001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 138101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 138201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 138301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 138401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 138501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 138601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 138701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 138801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 138901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 139001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 13929d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 139301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 139501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 139601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 139701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 139901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 140001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 140101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1402dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1403dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 14049e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 140501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 140601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 140701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 140801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 140965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 141065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return IntroducerRange.getBegin(); 141101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 141265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return ClosingBrace; } 141301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 14147ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 14157ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 14167ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 141701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 141801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 141901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 142001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 142101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1422ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1423506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1424ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1425987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1426ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1427987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1428ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1429987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1430ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1431ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1432987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1433ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1434ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1435ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1436ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1437ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1438f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1439561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1440ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1441ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1442ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1443ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1445ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1446ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14474c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1448ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1449ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14504c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 145165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 145265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1455ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1456987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1458987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 145963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1460987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1461987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14620982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @brief Represents a new-expression for memory allocation and constructor 14630982205bade2fb4fc984c27b2ab401e683963b10James Dennett// calls, e.g: "new CXXNewExpr(foo)". 14644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14652aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14680982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the allocation function used. 14694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14700982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the deallocation function used in case of error. May be 14710982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// null. 14724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14741bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14751bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1476ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1477ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14784bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14794bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1480ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1481530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie /// \brief Range of the entire new expression. 1482530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range; 14832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14842aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1487d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1488d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1489d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1490d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1491d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1492d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1493d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1494d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1495d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1496d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1497d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1498d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1499d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1500d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 150160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 15022aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 15034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 15042aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 15052aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 15062aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 15072aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 15082aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 15092aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1510ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 15111548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 15123b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> placementArgs, 15132aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 15142aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 15156ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1516530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range, SourceRange directInitRange); 15175921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 15185921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 15195921863d8f24084797863b5df37842113bac4352Chris Lattner 15205921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 15212aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1523cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1524cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 15256217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1526cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15281bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 15291bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 15301bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1531c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1532c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1533c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1534c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1535c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1536c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1537c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1538c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1539c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1540c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15418026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15445921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15465921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1548cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1549cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1550cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1551cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1552cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1553cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1554cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1555cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1557ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15582aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1559aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1560ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15632aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15704bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15714bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15724bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15747cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15752aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15762aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15771548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15782aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15792aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15802aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15812aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15822aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15831548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15841548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15881548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 15902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15911548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15921548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1593feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 159488920d1a84dc63a3722b1f2b1fb5926c44bd81abRoman Divacky const CXXConstructExpr* getConstructExpr() const { 1595feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1596feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1597feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 15982aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 15992aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 16002aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 16012aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 16022aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 16032aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16041548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 16054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 16064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 16074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 16092aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 16104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 16122aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 16152aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 16164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 16182aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1620ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16215921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 16225921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 16235921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 16242aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16255921863d8f24084797863b5df37842113bac4352Chris Lattner } 16265921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 16272aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 16282aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16292aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1631530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getStartLoc() const { return Range.getBegin(); } 1632530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getEndLoc() const { return Range.getEnd(); } 1633428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 16342aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1635428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1636aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1637530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie return Range; 16384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 163965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getStartLoc(); } 164065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 16414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 164763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16482aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 164963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16520982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a \c delete expression for memory deallocation and 16530982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// destructor calls, e.g. "delete[] pArray". 16544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1655d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1656d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1657d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1658d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1659d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1660d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16654076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16664076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16674076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16684076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16696ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16706ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16716ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16746ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16756ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1676bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1677561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1678bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1679d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1680f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16814076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1682d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 168395fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 168495fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16884076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16906ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 16916ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 16926ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 16936ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 16946ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 16956ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 16966ec278d1a354517e20f13a877481453ee7940c78John McCall } 16976ec278d1a354517e20f13a877481453ee7940c78John McCall 16984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 16994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 17014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 17024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1703a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1704a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1705a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 17065833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1707ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 170865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 170965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY {return Argument->getLocEnd();} 17104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 17124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 17134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 171663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1717f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1718f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 17194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 17204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17210982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Stores the type being destroyed by a pseudo-destructor expression. 1722a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1724a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1725a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1726ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1727a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1728a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1729ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1730a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1731a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1732ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1733a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1734a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1735ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1736a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1737ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1738ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1739ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1740a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1741ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1742a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1743a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1744a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1746a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1747a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1748ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1749a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1750a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1751e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1752ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1753e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1754e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1755e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1756e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1757e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1758e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1759e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1760e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1761a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1762e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1763ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1764a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1766a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1767e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1768a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1769a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1770a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1771e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1772e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1773a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1774a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1775a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1777a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1778a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1779a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1781a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1782a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1783ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1784a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1785f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1787e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1788e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1789e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1790ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1791ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1792e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1793e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1794ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1795fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1796fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1797ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1798ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1799a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1800a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1802f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1803ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1804a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1805a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1806a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1807f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1808e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1809e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1810fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1811e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 18121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1813de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1814de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1815f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1816de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1817a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1820a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1821a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1822f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1824f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1825f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1826f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1827ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1829a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1830a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1831ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1832ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1833f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1835a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1836a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1837a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1838a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1839a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1840a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1842ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1843e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1844e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1845e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1846e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1847e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1848ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1849e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1850e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 185126d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1853e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1854e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1855e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1856ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1857fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1858fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1859ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 186026d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 186126d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1862a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1863ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1864a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1865a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1866a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1867ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1868ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1869a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1870ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1871a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1872a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1873a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1874a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1875a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1876a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1877ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1878a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1879a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1880ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1881a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1882ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1883ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1884a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1886de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1887de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1888de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1889de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1890de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1891de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1892de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1893de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1894de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1895de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1896de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 189765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY {return Base->getLocStart();} 189865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1901a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1902a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 19031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1904a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 190563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1906a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19080982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS unary type trait, as used in the 19090982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19100982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 191164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 19120982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19130982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_pod(int) == true 19140982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_enum(std::string) == false 19150982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 191664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 19170dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 19180dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 19190dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 19200dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 192164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 192264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 192464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 192564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 192664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 192764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19280dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 19293d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 193064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 193164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1932ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 19330dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 193464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1935f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1936bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1937561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1938bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 19390dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19416d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19420dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19433d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19446d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 194565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 194665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 194764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19480dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 194964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19503d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 195164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19523d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1953ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19540dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 195564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 195664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 195764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 195864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 195964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 196064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 196163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19626d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 196360adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 196464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 196564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19660982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS binary type trait, as used in the 19670982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19680982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19700982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19710982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_base_of(Base, Derived) == true 19720982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 19916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 1993ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 1994ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 1996ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1998bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1999561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 2000561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 2001bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 2002bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 20036ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 20046ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 20056ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20066ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20076ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 20086ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 2009f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 20106ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 201165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 201265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 20136ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20146ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 20156ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 20166ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20176ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20186ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 20196ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 20206ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20216ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 20226ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 2023ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20246ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 20256ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20266ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 20276ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 20286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 203163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 20326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 20346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 20356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 20374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 20384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 20394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 20404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 20414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 20424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 20904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 20914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 20934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 20944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 20954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 20964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 21004ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 21014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 21044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 21054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 21064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 21084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 21094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 21124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 21134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 21144ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 21154ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21164ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 211765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 211865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 211965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 21204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 21214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 21224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 21254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 21264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21274ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 21284ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 21294ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 21314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21320982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An Embarcadero array type trait, as used in the implementation of 21330982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank and __array_extent. 21340982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 213521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 21360982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21370982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank(int[10][20]) == 2 21380982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_extent(int, 1) == 20 21390982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 214021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 214199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 214299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 21430982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 214421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21460982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 214721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 214821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21490982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The array dimension being queried, or -1 if not used. 215021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 215121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21520982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 215321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21550982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 215621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21580982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The type being queried. 215921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 216021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 216221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 216321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 216421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 216521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 216621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2167561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2168561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 216921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 217021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 217121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 217221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 217521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 217621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 217721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217825aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 217925aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 218065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 218165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 218221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 218421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 218621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 218821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 219021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 219221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 219421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 219521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 219621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 219821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 219921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 220021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 220121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 220221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 22030982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An expression trait intrinsic. 22040982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 2205552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 22060982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 22070982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(std::cout) == true 22080982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(1) == false 22090982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 2210552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 22110982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. A ExpressionTrait enum in MSVC compat unsigned. 2212552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 22130982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 2214552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2215552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22160982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 2217552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2218552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22190982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 2220552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2221552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22220982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The expression being queried. 2223552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2224552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2225ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2226552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2227552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2228552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2229552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2230552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2231552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2232561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2233552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2234ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2235ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2236552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2237552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2238552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2239552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2240552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 224165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 224265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 2243552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2244552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2245552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2246552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2247552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2248552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2249552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2250552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2251552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2252552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2253552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2254552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2255552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2256552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2257552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2258552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2259552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2260552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22617bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 2262809d1be9820039b4cf6efa48246a0d70ffa13394James Dennett/// \c UnresolvedLookupExpr or an \c UnresolvedMemberExpr. 22637bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 22640982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The common name of these declarations. 2265d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2266d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2267d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2268d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2269d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2270ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22717bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22727bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2273928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2274928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2275928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2276ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2277a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2278e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2279e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2280e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2281e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2282e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2283e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2284e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2285e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2286e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2287e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2288e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22897bb12da2b0749eeebb21854c77877736969e59f2John McCall 2290bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 22914c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2292e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 22932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2294bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2295bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2296561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2297561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2298561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 22997bb12da2b0749eeebb21854c77877736969e59f2John McCall 2300a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2301d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2302d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2303a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2304bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2305bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2306bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 23077bb12da2b0749eeebb21854c77877736969e59f2John McCall 2308bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 23099c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 23109c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 23119c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 23129c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 23139c72c6088d591ace8503b842d39448c2040f3033John McCall }; 23149c72c6088d591ace8503b842d39448c2040f3033John McCall 23157bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 23167bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 23177bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 23189c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 23199c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 23209c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 23217bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 23227bb12da2b0749eeebb21854c77877736969e59f2John McCall 23239c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 23249c72c6088d591ace8503b842d39448c2040f3033John McCall 23257bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 23269c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 23279c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 23289c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 23299c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 23309c72c6088d591ace8503b842d39448c2040f3033John McCall 23319c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 23329c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 23339c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 23349c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 23359c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 23369c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 23379c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 23389c72c6088d591ace8503b842d39448c2040f3033John McCall } 23399c72c6088d591ace8503b842d39448c2040f3033John McCall 23409c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 23417bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23427bb12da2b0749eeebb21854c77877736969e59f2John McCall 23430982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the naming class of this lookup, if any. 2344e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2345e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 23467bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2347928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2348ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2349928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2350928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2351ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23520982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the number of declarations in the unresolved set. 2353928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23547bb12da2b0749eeebb21854c77877736969e59f2John McCall 23550982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the full name info. 23562577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23580982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the name looked up. 23592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23607bb12da2b0749eeebb21854c77877736969e59f2John McCall 23610982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the location of the name. 23622577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23637bb12da2b0749eeebb21854c77877736969e59f2John McCall 23640982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier, if one was given. 2365ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2366ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23674c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23687bb12da2b0749eeebb21854c77877736969e59f2John McCall 23690982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier with source-location 23700982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// information, if one was given. 23714c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23727bb12da2b0749eeebb21854c77877736969e59f2John McCall 2373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2378e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2380e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2381e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2382e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2384e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2385e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2386e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2387e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2388e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2389e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2390e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2391e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2392e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23937bb12da2b0749eeebb21854c77877736969e59f2John McCall 23940982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether the name was preceded by the template keyword. 2395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2396e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 23970982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether this expression had explicit template arguments. 2398e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2399e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2400e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2402e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2403e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2404e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2405e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2406e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2407e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 24087bb12da2b0749eeebb21854c77877736969e59f2John McCall 2409b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 24107bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 24117bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24127bb12da2b0749eeebb21854c77877736969e59f2John McCall 2413e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2414e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2415e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2416e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2417e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2418e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2419e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2420e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 24210982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Copies the template arguments into the given structure. 2422e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2423e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2424e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2425e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2426096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 24270982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// 2428096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2429096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 24307d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 2431096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2432096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 24337bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24347bb12da2b0749eeebb21854c77877736969e59f2John McCall 24357bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 24367bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 24377bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 24387bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24394045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 24404045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 24414045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 24427bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 24437bb12da2b0749eeebb21854c77877736969e59f2John McCall 24447bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 24450982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// parsing but could not resolve to a specific declaration. 24460982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 24470982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// This arises in several ways: 24487bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24497bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24507bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24517bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24520982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// These never include UnresolvedUsingValueDecls, which are always class 24530982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// members and therefore appear only in UnresolvedMemberLookupExprs. 24547bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2455ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2456ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2457ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2458ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2459ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 24607453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24617453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24627453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24637453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24647bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24657bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24667bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24677bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24687bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24697bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2470f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2471ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2472928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24734c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2474e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2476ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2477bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2478b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End) 2479e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2480e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2481ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2482ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2483ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2484ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2485bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2486bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2487b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith RequiresADL(false), Overloaded(false), NamingClass(0) 2488bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2489bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 24904c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2491ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2492ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2493ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2494c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24954c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 24975a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2498ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2499b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator End) { 2500e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2501e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2502b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith ADL, Overloaded, 0, Begin, End); 2503ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2504ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2505f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2506c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 25074c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2508e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2510f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 25119d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2512ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 25135a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2514f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2515bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2516e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2517bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2518bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2519ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2520ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2521ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2522ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25237453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 25247453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 25257453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2526c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2527c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2528c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2529c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2530c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 253165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 253265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (NestedNameSpecifierLoc l = getQualifierLoc()) 253365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return l.getBeginLoc(); 253465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getNameInfo().getLocStart(); 253565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 253665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 2537ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 253865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 253965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getNameInfo().getLocEnd(); 2540ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2541ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 254263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2543ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2544ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2545ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2546ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2547ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2548ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25495953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25505953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25515953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2552ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2553a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25545953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2555865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25565953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25575953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25585953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2559865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2560ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2561a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2562a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2563865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2564ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2565ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 256600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2567ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 256800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 256900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25705953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2571e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2572e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2573e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2574e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2575e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2576e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2577e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2578e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2579e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2580e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2581e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2582e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2583e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2584e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2586f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 258700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2588e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2590bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2591f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2592f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2593f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 259400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2595e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2597e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 25985953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 259912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2600e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 260112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 260212dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 26035953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 26042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 26052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 26062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 26072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 26085953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 26095953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 26102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 26115953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 261200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 261300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 261400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2615ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2616ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2617ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2618ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2619ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2620ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 262100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2623e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2624e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2625e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2626e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2627e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2628e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2629e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2630e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2631e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2632e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2633e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2634e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2635e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2636e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2637e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2638e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2639e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2640e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2641e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2642e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2643e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2644e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2645e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2646e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2647f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2648e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2650f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2651f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2652f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2654b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 265512dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2656b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 265712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 265812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2659f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2660b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2661f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2662b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2663f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2665096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2666096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2667096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 26687d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 2669096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2670096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2671096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2672096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2673f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2674f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2675f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2676f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2677f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2678ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2679f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2680f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2681d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2682d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2683f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2684f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2685f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 268765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 268865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return QualifierLoc.getBeginLoc(); 268965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 269065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 2691f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 269265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 269365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getLocation(); 2694edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 26951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2697f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2698edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2699f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 270063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 27014045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 27024045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 27034045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2704edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 27051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27064765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 27074765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 27084765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 270980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 271080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 271180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 271280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 271380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 271480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 271580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 27164765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 271780ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 271880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 271980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 272080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 272180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 272280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272480ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 272502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 272880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 272902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 273080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 273180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 273280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 273380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 273480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 273580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 273680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2737ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 273888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 273980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 274080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 274380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2744ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 274580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 274680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2747f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 274880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 274980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 275080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 275180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 275280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 275380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2754d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2757f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 275880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 275980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 276080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 276188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 276202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 276365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 276465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExpr->getLocStart(); 276596be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 276665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();} 276702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 276802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 276902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27704765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 277102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 277202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 277302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 277463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 277502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 277602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2777d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2778d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2779d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2780d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2781d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2782fe865f1f35d1b91f42f58f08a1399b961b71b3bcJames Dennett/// CXXUnresolvedConstructExpr have the form <tt>T(a1, a2, ..., aN)</tt>, 27830982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// where \c T is some type and \c a1, \c a2, ..., \c aN are values, and 27840982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// either \c T is a dependent type or one or more of the <tt>a</tt>'s is 2785d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2786d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2788d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2789d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2790d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2791d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2792d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2793d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2794d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2795d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2796d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2797d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2798d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2799d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2800ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2801ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2802d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2803d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2804d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2805d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2806d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2807d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2808d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2809d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 28101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2811ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2812d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 28133b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2814d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2815d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28168dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2817ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 28188dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2819ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2820ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2821d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 28221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2823ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2824d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 28253b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2826d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2827d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28288dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 28298dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 28308dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2831d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2832d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2833ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2834d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2835ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2836ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2837ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2838ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2839d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2840d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2841d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2842d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2843d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2844d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2845d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2846d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2847d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2848d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2849d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2850d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2851d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2852d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2853d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2854d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2855d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28561dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28571dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28581dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28591dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28601dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28611dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28621dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28631dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2864d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2865d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2866d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2867d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2868d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28711dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28748dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28758dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28768dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28778dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28788dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 287965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 288065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 2881ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2883d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2884d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2885d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2886d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 288763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 288863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 288963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 289063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2891d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2892d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2893ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2894ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2895ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2896aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2897aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2898aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2899aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2900865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 29011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2902aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 29031c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2905aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2906aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2907aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2908aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29091c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 29101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 29113b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 29121c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2913e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2914e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2915e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 29161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29171c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 29181c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 29191c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2920a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 29217c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 29221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2923c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 29241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2925c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2926c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 292746bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2928c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2929865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2930c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 29311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29321c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29331c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2934a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2937e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2938e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2939e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2940e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2941e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2942e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2943e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2944e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2945e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2946e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2947e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2948865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2949aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29517c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2952e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29533b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2955d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29571c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2958865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2959bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2960bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2961bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29627c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2963bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2964bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2966865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2968aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29693b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29707c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2971e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29723b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2974d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29768dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2977e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2978def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29798dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2980aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2981aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2982aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29834c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2984aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29861c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2987aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2988aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2989aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2990aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 29911c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2992aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2993aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 29951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 29961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 29971c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 29981c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 29991c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 30001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3001a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 3002a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 3003ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 3004ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 30057c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 30061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30077c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 30087c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 30097c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 3010ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3011ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3012c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 3013c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 3014c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 3015c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 3016c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 30171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 30181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 3019c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 3020c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 3021c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 3022c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 30231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 3024c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 3025c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30271c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 30281c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 30292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 30302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 30312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 30322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30361c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30371c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30381c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30401c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3041e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3042e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3043e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3044e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3045e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3046e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3047e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3048e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3049e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3050e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3051e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3052e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3053e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3054e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3055e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3056e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3057e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3058e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3059e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3060e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3061e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3062e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3063e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3064e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30653b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30663b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3067e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 307036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3071b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3072e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3073b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 307436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 307536c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 307636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 307736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3078b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 307936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3080096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3081096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3082096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3083096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3084096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3085096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 30867d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 3087096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3088096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 308936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 309036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3091d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3092d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3093d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3094096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3095d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3096d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 30978dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 30988dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3099096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 31008dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 31018dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 31023b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 31033b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3104833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3105096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 31063b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31083b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 31093b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 31101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3111096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 31123b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 3115aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 311665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Base->getLocStart(); 311765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (getQualifier()) 311865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getQualifierLoc().getBeginLoc(); 311965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return MemberNameInfo.getBeginLoc(); 31201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 312265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 3123aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 312465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 312565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return MemberNameInfo.getEndLoc(); 31261c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3129865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 31301c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31311c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31321c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 313363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 313463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 313563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 313663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31374045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31384045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31394045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31401c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31411c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3142129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3143aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3144aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3145aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3146aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3147aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3148aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3149aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3150aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3151aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3152aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3153aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3154aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31557bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3156129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3157129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3158129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3159129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3160129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3161129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3162129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3163129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31647bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31657bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31667bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31677bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31687bb12da2b0749eeebb21854c77877736969e59f2John McCall 31697bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31707bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3171129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3172129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3173129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3174129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3175bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3176aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3177129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31784c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3179e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31802577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31815a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31825a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3183ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3184a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3185a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3186a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3187129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31884c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3189ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3190129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3191129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3192bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3193aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3194129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31954c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3196e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31985a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31995a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3200129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3201a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3202e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3203def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3204a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3205aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3206aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3207aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 32084c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3209aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3210129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3211129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3212aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3213aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3214aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3215aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 32162f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 32172f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 32182f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 32192f27bf854f0519810b34afd209089cc75536b757John McCall } 3220129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3221aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3222a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3223a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3224a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3225a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3226aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3227129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3228129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3229129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3230129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3231129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3232129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3233129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3234c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3235c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3236c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3241129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3242129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32437bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3244129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3245129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3246129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32477bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3248129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 324965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 3250aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 325165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Base->getLocStart(); 325265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (NestedNameSpecifierLoc l = getQualifierLoc()) 325365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return l.getBeginLoc(); 325465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getMemberNameInfo().getLocStart(); 325565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 325665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 3257129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 325865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 325965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getMemberNameInfo().getLocEnd(); 3260129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3261129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3262129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3263129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3264129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3265129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3266129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 326763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 326863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 326963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 327063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3271129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3272129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32732e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32742e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32752e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32762e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32772e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32802e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3282c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3283c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3287f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3288f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3289bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3290561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3291bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 32926b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 32936b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 32946b219d082434394c1ac401390ec1d1967727815aSebastian Redl 32956b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 32966b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 32972e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 32982e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32992e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 33002e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 330165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 330265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 3303aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 33042e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33052e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 33062e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 33082e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 33092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 33102e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33112e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 331263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 33132e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 33142e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3315ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3316be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3317be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3318be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3319be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3320be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3321be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3322be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3323be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3324be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3325be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3326be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3327be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3328be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3329ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3330be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3332be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3334ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 333567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 333667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 333767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 333867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 333967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 334067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3341ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3342be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3343ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3344be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 334567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3346ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3347be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 334867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 3349dc84cd5efdd3430efb22546b4ac656aa0540b210David Blaikie Optional<unsigned> NumExpansions) 3350ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3351ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3352561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3353561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3354be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 335567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3356be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3357be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3358be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3359ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3360be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3361be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3362be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3363be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3364be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3365be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3366be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3367be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3368be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3369ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3370ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 337167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 3372dc84cd5efdd3430efb22546b4ac656aa0540b210David Blaikie Optional<unsigned> getNumExpansions() const { 337367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 337467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3375ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 337666874fb18afbffb8b2ca05576851a64534be3352David Blaikie return None; 337767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3378ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 337965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 338065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Pattern->getLocStart(); 338163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 338265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EllipsisLoc; } 3383be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3384be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3385be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3386be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3387ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3388be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 338963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 339063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 339163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3392be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3393ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3394e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 33967bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3397e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3398e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 33997bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3400e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 34027bb12da2b0749eeebb21854c77877736969e59f2John McCall} 34037bb12da2b0749eeebb21854c77877736969e59f2John McCall 3404ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3405ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3406ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3407ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3408ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3409ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3410ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3411ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3412ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3413ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3414ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3415ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3416ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3418ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3419ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3422ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3424ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3425ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3426ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3428ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3429ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3430ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3431ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3432ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3435ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3437ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3438ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3439ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3440ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3441ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3442ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3443561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3444ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3445ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3446ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3447ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3449ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3450ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3452ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3453ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3454ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3455561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3456ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3457ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3459ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3460ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3461ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3462ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3463ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3464ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3465ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3466ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3467ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3468ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3469ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3470ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3471ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3472ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3473ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3474ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3475ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3476ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3477ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3478c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3479ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3480ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3481ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3482ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3483ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3484ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 348565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return OperatorLoc; } 348665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 3487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3488ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3489ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3490ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3491ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3492ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 349363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3494ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3495c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 349691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 349791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 349891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 349991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 350091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 350191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 350391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 350491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 350691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 350791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 35087110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 35097110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3510ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 35117110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 35127110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 351391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3514ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 351591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 351691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 351791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 351891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 351991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 352091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 352191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 352291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 352391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 352491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 352591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 352665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 352765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 352891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 352991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3530ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 353191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 353291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 353391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 353491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 353591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3536ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 353791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 353891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 353991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 354091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3541c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3542c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3543c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3544c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3545c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3546fb7669ee725ec699e2b49b8359c4652536949739Douglas Gregor/// parameter lists, this node is used to represent a non-type template 3547c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3548c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3549c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3550c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3552c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3553c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3556ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3559c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3560ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3561c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3562c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3563ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3564c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3565c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3566ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35677110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3568c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3569ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35707110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3571ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3572c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3574c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3575c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3576c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3577ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3578c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3579c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3580c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3581c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3582c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3583ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3584c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3585c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3586c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3587c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 358865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 358965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 3590ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3591c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3592c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3593c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3595c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 359663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3597c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 359803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 35999a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \brief Represents a reference to a function parameter pack that has been 36009a4db032ecd991626d236a502e770126db32bd31Richard Smith/// substituted but not yet expanded. 36019a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 36029a4db032ecd991626d236a502e770126db32bd31Richard Smith/// When a pack expansion contains multiple parameter packs at different levels, 36039a4db032ecd991626d236a502e770126db32bd31Richard Smith/// this node is used to represent a function parameter pack at an outer level 36049a4db032ecd991626d236a502e770126db32bd31Richard Smith/// which we have already substituted to refer to expanded parameters, but where 36059a4db032ecd991626d236a502e770126db32bd31Richard Smith/// the containing pack expansion cannot yet be expanded. 36069a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 36079a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \code 36089a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Ts> struct S { 36099a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Us> auto f(Ts ...ts) -> decltype(g(Us(ts)...)); 36109a4db032ecd991626d236a502e770126db32bd31Richard Smith/// }; 36119a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template struct S<int, int>; 36129a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \endcode 36139a4db032ecd991626d236a502e770126db32bd31Richard Smithclass FunctionParmPackExpr : public Expr { 36149a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The function parameter pack which was referenced. 36159a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack; 36169a4db032ecd991626d236a502e770126db32bd31Richard Smith 36179a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The location of the function parameter pack reference. 36189a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc; 36199a4db032ecd991626d236a502e770126db32bd31Richard Smith 36209a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The number of expansions of this pack. 36219a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParameters; 36229a4db032ecd991626d236a502e770126db32bd31Richard Smith 36239a4db032ecd991626d236a502e770126db32bd31Richard Smith FunctionParmPackExpr(QualType T, ParmVarDecl *ParamPack, 36249a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, unsigned NumParams, 36259a4db032ecd991626d236a502e770126db32bd31Richard Smith Decl * const *Params); 36269a4db032ecd991626d236a502e770126db32bd31Richard Smith 36279a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTReader; 36289a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTStmtReader; 36299a4db032ecd991626d236a502e770126db32bd31Richard Smith 36309a4db032ecd991626d236a502e770126db32bd31Richard Smithpublic: 36319a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *Create(ASTContext &Context, QualType T, 36329a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack, 36339a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, 3634cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko ArrayRef<Decl *> Params); 36359a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *CreateEmpty(ASTContext &Context, 36369a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParams); 36379a4db032ecd991626d236a502e770126db32bd31Richard Smith 36389a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the parameter pack which this expression refers to. 36399a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getParameterPack() const { return ParamPack; } 36409a4db032ecd991626d236a502e770126db32bd31Richard Smith 36419a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the location of the parameter pack. 36429a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation getParameterPackLocation() const { return NameLoc; } 36439a4db032ecd991626d236a502e770126db32bd31Richard Smith 36449a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Iterators over the parameters which the parameter pack expanded 36459a4db032ecd991626d236a502e770126db32bd31Richard Smith /// into. 36469a4db032ecd991626d236a502e770126db32bd31Richard Smith typedef ParmVarDecl * const *iterator; 36479a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator begin() const { return reinterpret_cast<iterator>(this+1); } 36489a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator end() const { return begin() + NumParameters; } 36499a4db032ecd991626d236a502e770126db32bd31Richard Smith 36509a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the number of parameters in this parameter pack. 36519a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned getNumExpansions() const { return NumParameters; } 36529a4db032ecd991626d236a502e770126db32bd31Richard Smith 36539a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get an expansion of the parameter pack by index. 36549a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getExpansion(unsigned I) const { return begin()[I]; } 36559a4db032ecd991626d236a502e770126db32bd31Richard Smith 365665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 365765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 36589a4db032ecd991626d236a502e770126db32bd31Richard Smith 36599a4db032ecd991626d236a502e770126db32bd31Richard Smith static bool classof(const Stmt *T) { 36609a4db032ecd991626d236a502e770126db32bd31Richard Smith return T->getStmtClass() == FunctionParmPackExprClass; 36619a4db032ecd991626d236a502e770126db32bd31Richard Smith } 36629a4db032ecd991626d236a502e770126db32bd31Richard Smith 36639a4db032ecd991626d236a502e770126db32bd31Richard Smith child_range children() { return child_range(); } 36649a4db032ecd991626d236a502e770126db32bd31Richard Smith}; 36659a4db032ecd991626d236a502e770126db32bd31Richard Smith 366603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 366703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 366803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 366903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 367003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 367103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 367203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 367303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 367403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 367503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 367603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 367703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 367803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 367903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 368003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 368103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 368203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 368303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 368403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3685d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3686ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 368703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 368803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3689ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 369003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3691ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3692b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3693b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 369403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 369503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3696561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 369703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 369803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3699ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3700ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 370103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 370303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 370403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 370503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3706ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 370703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 370803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3709ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 371003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 371103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3712ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 371365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 371465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Temporary->getLocStart(); 371565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 371665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 371765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Temporary->getLocEnd(); 3718aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 372003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 372103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 372203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 372403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 372503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 372603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3727ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 37285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 37295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3731