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 182f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets; // range for '<' '>' 183ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 185f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 186f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1871d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 188f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 189f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets) 1901d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 191f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian RParenLoc(RParenLoc), AngleBrackets(AngleBrackets) {} 19249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 193f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 194f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 195ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1961d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 197ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 19949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 20049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 201a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 202a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 203a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 204a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 2051d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 2061d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 207ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 20965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 210f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange getAngleBrackets() const LLVM_READONLY { return AngleBrackets; } 21165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 21349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 21449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 21549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 21649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 21749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 21849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 21949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 22049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 22149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 2221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 22349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 22449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 225ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// CXXStaticCastExpr - A C++ @c static_cast expression 226ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// (C++ [expr.static.cast]). 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 22949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 23049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 231f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 232f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 233f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation l, SourceLocation RParenLoc, 234f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets) 235f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 236f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian writtenTy, l, RParenLoc, AngleBrackets) {} 23749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 238f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 239f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 240f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 241f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 242f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 243f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 244f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 245ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 246f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 247f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets); 248f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 249f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 250ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 25349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 25449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 25549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 25649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 25849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 26049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 26149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 26249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 263f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 264f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 265f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation l, SourceLocation RParenLoc, 266f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets) 267f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 268f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian writtenTy, l, RParenLoc, AngleBrackets) {} 26949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 270f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 271f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 272f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 273f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 274f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 275f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 276f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 277ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 278f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 279f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets); 280ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 281f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 282f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 283ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2840fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2850fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 28849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 28949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 29049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 29149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 29249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 29349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 29549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 29649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 29749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 298f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 299f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 300ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 301f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 302f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets) 303f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 304f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian pathSize, writtenTy, l, RParenLoc, AngleBrackets) {} 30549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 306f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 307f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 308f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 309f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 310f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 311f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 312f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 313ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 314f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 315f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets); 316f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 317f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 318ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 32049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 32149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 32249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 32349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 32449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 32549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 32749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 32849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 32949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 330f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 331ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 332f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, SourceRange AngleBrackets) 333ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 334f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian 0, writtenTy, l, RParenLoc, AngleBrackets) {} 33549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 336ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 337f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 338f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 339f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 340f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 341f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 342ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 343f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceLocation RParenLoc, 344f799ae1afb897151a84a7170951e367d8307ae04Fariborz Jahanian SourceRange AngleBrackets); 345f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 346ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 34849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 34949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 3501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3529fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// UserDefinedLiteral - A call to a literal operator (C++11 [over.literal]) 3539fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// written as a user-defined literal (C++11 [lit.ext]). 3549fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3559fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Represents a user-defined literal, e.g. "foo"_bar or 1.23_xyz. While this 3569fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// is semantically equivalent to a normal call, this AST node provides better 3579fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// information about the syntactic representation of the literal. 3589fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3599fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Since literal operators are never found by ADL and can only be declared at 3609fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// namespace scope, a user-defined literal is never dependent. 3619fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithclass UserDefinedLiteral : public CallExpr { 3629fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// \brief The location of a ud-suffix within the literal. 3639fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation UDSuffixLoc; 3649fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3659fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithpublic: 3663b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UserDefinedLiteral(ASTContext &C, Expr *Fn, ArrayRef<Expr*> Args, 3679fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith QualType T, ExprValueKind VK, SourceLocation LitEndLoc, 3689fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation SuffixLoc) 3693b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, UserDefinedLiteralClass, Fn, 0, Args, T, VK, LitEndLoc), 3703b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UDSuffixLoc(SuffixLoc) {} 3719fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith explicit UserDefinedLiteral(ASTContext &C, EmptyShell Empty) 3729fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Empty) {} 3739fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3749fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// The kind of literal operator which is invoked. 3759fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith enum LiteralOperatorKind { 3769fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Raw, ///< Raw form: operator "" X (const char *) 3779fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Template, ///< Raw form: operator "" X<cs...> () 3789fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Integer, ///< operator "" X (unsigned long long) 3799fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Floating, ///< operator "" X (long double) 3809fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_String, ///< operator "" X (const CharT *, size_t) 3819fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Character ///< operator "" X (CharT) 3829fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith }; 3839fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3849fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getLiteralOperatorKind - Returns the kind of literal operator invocation 3859fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// which this expression represents. 3869fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LiteralOperatorKind getLiteralOperatorKind() const; 3879fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3889fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getCookedLiteral - If this is not a raw user-defined literal, get the 3899fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// underlying cooked literal (representing the literal with the suffix 3909fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// removed). 3919fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith Expr *getCookedLiteral(); 3929fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const Expr *getCookedLiteral() const { 3939fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return const_cast<UserDefinedLiteral*>(this)->getCookedLiteral(); 3949fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3959fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3960265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocStart() const { 3970265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara if (getLiteralOperatorKind() == LOK_Template) 3980265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getRParenLoc(); 3990265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getArg(0)->getLocStart(); 4000265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 4010265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocEnd() const { return getRParenLoc(); } 4020265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 4030265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 4049fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 4059fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 4069fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 4070265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getUDSuffixLoc() const { return UDSuffixLoc; } 4089fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4099fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 4109fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 4119fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4129fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 4139fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 4149fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 4159fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4169fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 4179fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 4189fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 4199fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 4221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 4231060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 4241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 4251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 427bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 428561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 429f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 4308b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 431eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 432eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 433eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4341060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 435eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 43865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 440eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 441eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 442eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4441060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4451060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 44863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4516e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4526e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4536e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4546e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4556e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 456bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 457561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 458f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 460eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 461eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 462eb7f96141f754150a92433286fa385910a22f494Sam Weinig 46365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 46465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 4656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 466eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 467eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 468eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4696e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4716e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 47363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4746e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4756e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 476c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 477c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 478c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 479c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 480c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 481c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 482c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 48357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 484c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 485c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 486c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 48757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 488f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 48957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 49057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 49157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 492bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 493561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 494bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 49557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 496ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 49757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 498f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4992850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 500bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 5012850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 502bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 503561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 504bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 50557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 506c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 50714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 50814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 50914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 51014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 51114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 51214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 51314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 514ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5150d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// Determine whether this typeid has a type operand which is potentially 5160d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// evaluated, per C++11 [expr.typeid]p3. 5170d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith bool isPotentiallyEvaluated() const; 5180d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith 51957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 520ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 52157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 52257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 52357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 52457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 52557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 52657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 527c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 52857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 529c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 53014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 53114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 53214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 53314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 53414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 535ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 53614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 537c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 53857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 539c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 540ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 541030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 542030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 543030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 544030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 545ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 54665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 54765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 548aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 54914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 550ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 551c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 552c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 553c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 554c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 555c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 55663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 55763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 55863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 55963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 56063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 561c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 562c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 56301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 56401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 56501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 56601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 56701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 56801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 56901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 57001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 57101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 57301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5742e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 575bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 576561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 577bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5812e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 582bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 583561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 584bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 58601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 58801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 59201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 596ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 59801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 59901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 60101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 60201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 60301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 60401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 60501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 60601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 60701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 60801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 60901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 61001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 611ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 61201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 61301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 61401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 61501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 616ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 61701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 61801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 61901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 62001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 62101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 62265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 62365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 624aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 62501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 626ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 62701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 62801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 62901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 63001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 631c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber /// Grabs __declspec(uuid()) off a type, or returns 0 if there is none. 632c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber static UuidAttr *GetUuidAttrOfType(QualType QT); 633c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber 63401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 63563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 63663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 63763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 63863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 63963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 64001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 64101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 642796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 643796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 644796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 645796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 646796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 647796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 648796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 649796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 650796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 651796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 652796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 653796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 654796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 655828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 656ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 657796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 658828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 659f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6602850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6612850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 662bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 663561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 664bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 665828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 666796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6672fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6682fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6692fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6702fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6712fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 67265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 67365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Loc; } 674796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 675828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 676828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 677ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 679796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 680796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 681796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 682796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 68363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 684796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 685796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 693bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 694bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 695ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 696bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 697ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 7001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 7011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 702bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 703bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 704bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 705561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 706bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 707bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 7082fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 7092fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 7101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 7111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 71242e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 71342e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 7141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 715bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 716bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 717bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 718bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 719bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 720bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 721ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 72265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ThrowLoc; } 72365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 7241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 72565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return ThrowLoc; 72665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getSubExpr()->getLocEnd(); 7271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7281060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7301060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 7311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 73463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 73563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 73663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 7381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7411060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 74465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 74565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 746ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 74765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 74865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 74965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 752036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 754036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 75665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 75765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7582333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 759dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 760561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 761036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 76265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 763ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 764036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 765dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 766dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 767ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 768bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 76965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 77065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 771ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 773030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 774030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 778036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 779036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 780036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 781f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 78365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 78465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 786036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 787ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 78865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 789ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 79165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 79265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 793ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 795ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 79665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 79765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 798ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 79965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 800ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 80165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 80265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 803ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 80465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 8051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 806ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 807036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 808036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 809ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 81065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen // Default argument expressions have no representation in the 81165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen // source, so they have an empty source range. 81265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); } 81365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); } 81463b6ebe4e732f20fa24ea0666ed438dd5004cc20Benjamin Kramer 81563b6ebe4e732f20fa24ea0666ed438dd5004cc20Benjamin Kramer SourceLocation getExprLoc() const LLVM_READONLY { return Loc; } 8161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 8171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 8181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 8191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 8201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 8211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 82263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 8238a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 82460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 8253397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 8261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 827987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 828c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 829c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 830c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 831b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 833b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 834c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 835c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 836c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 838b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 840f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 84176f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 84276f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 84376f3f69db1416425070177243e9f390122c553e0Richard Smith } 844c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 845fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 846ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 847ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 848ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 849ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 850ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 851ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 852ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 853ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 854ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 855ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 856ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 857ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 858ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 859ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 860fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 861fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 863fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 864fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 865bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 866bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 867ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 868bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 869561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 870bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 871bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 87288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 873fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 874d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 875d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 876ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 878fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 881f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 882d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 883f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 884fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 885fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 88688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 887fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 88865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 88965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExpr->getLocStart(); 89096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 89165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();} 892fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 893fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 894fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 895fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 896fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 897fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 898fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 89963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 900fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 901fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 9020982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a call to a C++ constructor. 90315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 90472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 90572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 90672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 90772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 908059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 909059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 91072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 911ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 91272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 91315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 91415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 91599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 916428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 917a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 91816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 9197cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 9205b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 92116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 92272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 92315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 92799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 928bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 9293b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9307cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9315b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9325b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9335b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9345b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 935bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 9366d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9376d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 9385b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 9395b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9405b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9415b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9426d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 94315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9446d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9456d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9466d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9475b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9485b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9495b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9505b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9516d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9528e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 95399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 9553b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9567cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9575b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9585b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9595b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9605b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 962d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 96339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 964ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 96599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 96699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 967ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 968d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 969d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 97039da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9717cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9727cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9737cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9747cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9757cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9767cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9775b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9785b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9795b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9805b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 98116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 98216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 98316006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 98416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 98516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 98616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 987ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9889db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9899db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 99024eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 99124eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 99272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 993ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 99472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 99572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 996ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 99715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 99815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 100115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 100215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 100315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 100415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 1005a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 100615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 100715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 1008bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 1009bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 1010bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 1011bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 1012bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 1013bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 1014bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 1015bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 1016bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10182eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 10192eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 10202eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 10212eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 10222eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 10232eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 102465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 102565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 1026428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 1027a770a4daf77037b5526dba1c447d61acf0aba01aDaniel Jasper void setParenRange(SourceRange Range) { ParenRange = Range; } 102815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1030524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 1031524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 103215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 103415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 103563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 103663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 103763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10386d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 103960adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 104015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 104115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10420982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents an explicit C++ type conversion that uses "functional" 10430982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// notation (C++ [expr.type.conv]). 10440982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 10450982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// Example: 10460982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 10470982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// x = int(0.5); 10480982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 104949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1050987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1051987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1052f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1053f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1054f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1056f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1057ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1058f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1059f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10600aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10610aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1062f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1063f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1064f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1065f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1066f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1067f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1068f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1069f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1070f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1071f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1072f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1073f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1074f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1075ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1076987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1077ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1078987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1079ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return TyBeginLoc; } 108265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 108365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1086987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1087987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1088987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1089506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1090506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1091506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1093506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1094ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1095ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1096506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1097506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1098506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1099506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1100506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1101506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1102506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1103506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1104524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1105ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1106506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1107506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1109ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 11103b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 1111428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 11127cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 1113c83c2300e1946fea78ecd3c2e93d9c2dd2638a2bRichard Smith bool ListInitialization, 1114c83c2300e1946fea78ecd3c2e93d9c2dd2638a2bRichard Smith bool ZeroInitialization); 11156d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1116ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1117506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1118ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1119ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 112065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 112165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 1122ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1124506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1125506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 11266d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 112760adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1128506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1129506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 113001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 113101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 113201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 113301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 113401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 113501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 113601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 1137d9ffa0c39ff9c71e2729eac4cdcf32b377c1d3b6Dmitri Gribenko/// [=](double value) { return value > cutoff; }); 113801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 113901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 114001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 114401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 114501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 114601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 114701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 114801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 114901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 115001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 115101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 115201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 115301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 115401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 115501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 115701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 116001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11617ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11627ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11637ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 116401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 116501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 116601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 116701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 116801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 116901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1172dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1173dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1174dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1175dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1176dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11777ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11787ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 117901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 118001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 118101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11897ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11907ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11917ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11927ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11999daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 12029daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 123001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 123201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 123301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 123401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 123601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 123701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 123801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 123901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 124001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 124201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 124301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 124401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 124601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 124701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 124801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 125001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 125101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 125201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 125301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 125401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 125501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 125601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 125701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 125801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 125901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 126001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 126101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 126201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 126301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 126401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 126501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 126601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 126701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 126801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 126901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 127001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 127101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 127201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 127301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 127401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1275dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 127601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12779daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12789daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1279612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1280612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 128101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12829d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12839d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12849d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12859d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12869d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12879d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12889d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12899d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12907ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12917ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12927ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12937ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12947ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12957ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12967ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12977ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12987ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12997ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 13007ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 13017ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 1302a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith unsigned ArrayIndexSize = 1303a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::RoundUpToAlignment(sizeof(unsigned) * (NumCaptures + 1), 1304a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::alignOf<VarDecl*>()); 13057ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 130688d2f678e70ab9360f09f3534d9223e6ec20f129Richard Smith reinterpret_cast<char*>(getArrayIndexStarts()) + ArrayIndexSize); 13077ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 13087ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 130901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 131001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 131101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 131201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 131401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 131501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 131601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1317dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 131801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 13199daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 13209daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1321612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1322612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 132301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13249d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 13259d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 13269d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 13279d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 13289d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 132901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 133001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 133101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 133201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 133301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 133501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 133601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 133701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1339da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 134001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 134201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1343da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 134401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13457ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 13467ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 13477ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 134801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 134901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1350da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 135101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 135301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1354da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 135501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 135701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1358da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 135901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 136101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1362da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 136301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 136501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 136601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 136701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 136901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13707ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13717ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13727ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 137301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 137576e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13767ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13777ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13787ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 137901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13809daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13819daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13829daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13839daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13849daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13859daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13869daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 138701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 138801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 138901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 139001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 139101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 139301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 139401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 139501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 139601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 139701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 139801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 139901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 140001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 140101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 14029d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 140301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 140401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 140501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 140601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 140701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 140801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 140901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 141001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 141101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1412dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1413dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 14149e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 141501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 141601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 141701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 141801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 141965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 142065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return IntroducerRange.getBegin(); 142101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 142265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return ClosingBrace; } 142301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 14247ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 14257ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 14267ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 142701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 142801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 142901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 143001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 143101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1432ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1433506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1434ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1435987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1436ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1437987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1438ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1439987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1440ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1441ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1442987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1443ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1444ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1445ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1446ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1447ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1448f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1449561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1450ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1451ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1452ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1453ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1455ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1456ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14574c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1458ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1459ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14604c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 146165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 146265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1465ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1466987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1468987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 146963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1470987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1471987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14720982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @brief Represents a new-expression for memory allocation and constructor 14730982205bade2fb4fc984c27b2ab401e683963b10James Dennett// calls, e.g: "new CXXNewExpr(foo)". 14744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14752aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14762aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14780982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the allocation function used. 14794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14800982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the deallocation function used in case of error. May be 14810982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// null. 14824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14841bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14851bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1486ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14884bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14894bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1491530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie /// \brief Range of the entire new expression. 1492530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range; 14932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14952aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1497d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1498d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1499d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1500d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1501d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1502d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1503d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1504d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1505d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1506d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1507d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1508d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1509d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1510d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 151160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 15122aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 15134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 15142aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 15152aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 15162aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 15172aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 15182aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 15192aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1520ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 15211548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 15223b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> placementArgs, 15232aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 15242aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 15256ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1526530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range, SourceRange directInitRange); 15275921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 15285921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 15295921863d8f24084797863b5df37842113bac4352Chris Lattner 15305921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 15312aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1532ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1533cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1534cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 15356217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1536cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15381bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 15391bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 15401bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1541c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1542c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1543c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1544c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1545c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1546c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1547c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1548c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1549c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1550c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15518026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1552ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15545921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15565921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1558cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1559cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1560cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1561cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1562cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1563cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1564cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1565cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1567ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1569aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1570ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15732aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15772aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15804bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15814bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15824bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15847cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15871548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15882aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15912aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15922aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15931548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15941548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15952aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15962aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15972aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15981548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15992aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 16002aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 16011548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 16021548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1603feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 160488920d1a84dc63a3722b1f2b1fb5926c44bd81abRoman Divacky const CXXConstructExpr* getConstructExpr() const { 1605feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1606feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1607feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 16082aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 16092aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 16102aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 16112aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 16122aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 16132aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16141548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 16154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 16164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 16174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 16192aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 16204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 16222aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 16252aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 16264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 16282aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1630ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16315921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 16325921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 16335921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 16342aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16355921863d8f24084797863b5df37842113bac4352Chris Lattner } 16365921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 16372aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 16382aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16392aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16404c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1641530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getStartLoc() const { return Range.getBegin(); } 1642530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getEndLoc() const { return Range.getEnd(); } 1643428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 16442aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1645428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1646aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1647530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie return Range; 16484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 164965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getStartLoc(); } 165065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 16514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 165763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16582aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 165963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16620982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a \c delete expression for memory deallocation and 16630982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// destructor calls, e.g. "delete[] pArray". 16644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1665d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1666d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1667d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1668d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1669d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1670d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16754076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16764076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16774076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16784076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16796ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16806ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16816ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16846ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16856ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1686bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1687561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1688bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1689d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1690f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16914076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1692d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 169395fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 169495fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16984076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17006ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 17016ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 17026ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 17036ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 17046ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 17056ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 17066ec278d1a354517e20f13a877481453ee7940c78John McCall } 17076ec278d1a354517e20f13a877481453ee7940c78John McCall 17084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 17094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 17114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 17124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1713a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1714a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1715a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 17165833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1717ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 171865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 171965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY {return Argument->getLocEnd();} 17204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 17224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 17234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 172663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1727f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1728f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 17294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 17304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17310982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Stores the type being destroyed by a pseudo-destructor expression. 1732a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1733ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1734a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1735a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1736ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1737a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1738a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1739ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1740a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1741a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1742ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1743a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1744a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1746a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1747ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1748ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1749ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1750a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1751ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1752a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1753a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1754a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1756a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1757a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1758ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1759a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1760a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1761e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1762ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1763e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1764e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1765e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1766e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1767e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1768e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1769e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1770e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1771a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1772e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1773ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1774a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1776a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1777e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1778a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1779a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1780a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1781e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1782e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1783a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1784a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1785a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1787a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1788a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1789a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1791a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1792a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1793ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1794a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1795f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1797e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1798e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1799e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1800ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1801ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1802e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1803e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1804ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1805fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1806fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1807ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1808ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1809a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1810a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 18111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1812f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1814a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1815a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1816a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1817f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1818e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1819e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1820fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1821e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 18221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1823de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1824de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1825f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1826de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1827a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 18281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1830a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1831a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1832f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 18331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1834f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1835f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1836f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1837ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1839a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1840a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1841ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1842ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1843f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 18441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1845a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1846a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1847a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1848a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1849a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1850a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1853e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1854e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1855e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1856e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1857e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1858ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1859e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1860e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 186126d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1862ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1863e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1864e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1865e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1866ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1867fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1868fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1869ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 187026d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 187126d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1872a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1873ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1874a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1875a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1876a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1877ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1878ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1879a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1880ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1881a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1882a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1883a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1884a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1885a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1886a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1887ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1888a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1889a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1890ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1891a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1892ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1893ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1894a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1896de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1897de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1898de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1899de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1900de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1901de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1902de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1903de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1904de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1905de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1906de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 190765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY {return Base->getLocStart();} 190865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY; 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1911a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1912a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1914a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 191563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1916a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19180982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS unary type trait, as used in the 19190982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19200982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 192164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 19220982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19230982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_pod(int) == true 19240982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_enum(std::string) == false 19250982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 192664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 19270dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 19280dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 19290dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 19300dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 193164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 193264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 193364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 193464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 193564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 193664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 193764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19380dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 19393d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 194164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1942ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 19430dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 194464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1945f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1946bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1947561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1948bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 19490dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 195064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19516d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19520dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19533d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19546d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 195565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 195665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 195764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19580dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 195964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19603d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 196164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19623d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1963ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19640dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 196564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 196664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 196764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 196864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 196964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 197064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 197163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19726d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 197360adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 197464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 197564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19760982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS binary type trait, as used in the 19770982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19780982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19800982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19810982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_base_of(Base, Derived) == true 19820982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 19836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19936ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19996ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 20006ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 20016ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20026ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 2003ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 2004ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 20056ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 2006ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 20076ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 2008bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 2009561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 2010561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 2011bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 2012bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 20136ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 20146ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 20156ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20166ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20176ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 20186ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 2019f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 20206ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 202165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 202265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 20236ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20246ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 20256ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 20266ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20276ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 20296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 20306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 20326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 2033ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20346ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 20356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20366ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 20376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 20386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 204163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 20426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 20446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 20456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 21004ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 21014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 21034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 21044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 21054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 21064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 21094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 21104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 21114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 21144ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 21154ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 21164ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21174ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 21184ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 21194ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 21224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 21234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 21244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 21254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 212765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 212865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 212965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 21304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 21314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 21324ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21334ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21344ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 21354ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 21364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 21384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 21394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 21414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21420982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An Embarcadero array type trait, as used in the implementation of 21430982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank and __array_extent. 21440982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 21460982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21470982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank(int[10][20]) == 2 21480982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_extent(int, 1) == 20 21490982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 215021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 215199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 215299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 21530982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 215521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21560982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 215821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21590982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The array dimension being queried, or -1 if not used. 216021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 216121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21620982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 216321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 216421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21650982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 216621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 216721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21680982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The type being queried. 216921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 217021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 217221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 217321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 217421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 217521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 217621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2177561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2178561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 217921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 218021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 218121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 218221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 218521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 218621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 218721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218825aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 218925aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 219065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 219165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 219221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 219421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 219621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 219821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 219921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 220021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 220121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 220221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 220321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 220421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 220521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 220621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 220721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 220821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 220921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 221021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 221121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 221221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 22130982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An expression trait intrinsic. 22140982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 2215552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 22160982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 22170982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(std::cout) == true 22180982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(1) == false 22190982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 2220552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 22210982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. A ExpressionTrait enum in MSVC compat unsigned. 2222552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 22230982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 2224552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2225552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22260982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 2227552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2228552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22290982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 2230552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2231552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22320982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The expression being queried. 2233552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2234552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2235ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2236552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2237552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2238552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2239552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2240552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2241552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2242561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2243552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2244ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2245ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2246552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2247552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2248552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2249552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2250552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 225165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Loc; } 225265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParen; } 2253552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2254552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2255552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2256552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2257552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2258552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2259552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2260552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2261552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2262552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2263552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2264552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2265552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2266552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2267552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2268552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2269552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2270552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22717bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 2272809d1be9820039b4cf6efa48246a0d70ffa13394James Dennett/// \c UnresolvedLookupExpr or an \c UnresolvedMemberExpr. 22737bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 22740982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The common name of these declarations. 2275d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2276d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2277d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2278d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2279d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2280ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22817bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22827bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2283928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2284928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2285928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2286ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2287a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2288e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2289e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2290e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2291e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2292e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2293e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2294e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2295e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2296e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2297e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2298e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22997bb12da2b0749eeebb21854c77877736969e59f2John McCall 2300bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 23014c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2302e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 23032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2304bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2305bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2306561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2307561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2308561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 23097bb12da2b0749eeebb21854c77877736969e59f2John McCall 2310a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2311d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2312d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2313a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2314bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2315bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2316bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 23177bb12da2b0749eeebb21854c77877736969e59f2John McCall 2318bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 23199c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 23209c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 23219c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 23229c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 23239c72c6088d591ace8503b842d39448c2040f3033John McCall }; 23249c72c6088d591ace8503b842d39448c2040f3033John McCall 23257bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 23267bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 23277bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 23289c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 23299c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 23309c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 23317bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 23327bb12da2b0749eeebb21854c77877736969e59f2John McCall 23339c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 23349c72c6088d591ace8503b842d39448c2040f3033John McCall 23357bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 23369c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 23379c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 23389c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 23399c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 23409c72c6088d591ace8503b842d39448c2040f3033John McCall 23419c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 23429c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 23439c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 23449c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 23459c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 23469c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 23479c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 23489c72c6088d591ace8503b842d39448c2040f3033John McCall } 23499c72c6088d591ace8503b842d39448c2040f3033John McCall 23509c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 23517bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23527bb12da2b0749eeebb21854c77877736969e59f2John McCall 23530982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the naming class of this lookup, if any. 2354e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2355e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 23567bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2357928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2358ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2359928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2360928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2361ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23620982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the number of declarations in the unresolved set. 2363928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23647bb12da2b0749eeebb21854c77877736969e59f2John McCall 23650982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the full name info. 23662577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23672577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23680982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the name looked up. 23692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23707bb12da2b0749eeebb21854c77877736969e59f2John McCall 23710982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the location of the name. 23722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23737bb12da2b0749eeebb21854c77877736969e59f2John McCall 23740982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier, if one was given. 2375ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2376ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23774c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23787bb12da2b0749eeebb21854c77877736969e59f2John McCall 23790982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier with source-location 23800982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// information, if one was given. 23814c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23827bb12da2b0749eeebb21854c77877736969e59f2John McCall 2383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2384e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2385e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2386e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2387e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2388e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2389e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2390e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2391e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2392e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2393e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2394e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2396e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2397e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2398e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2399e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2400e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2402e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 24037bb12da2b0749eeebb21854c77877736969e59f2John McCall 24040982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether the name was preceded by the template keyword. 2405e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2406e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 24070982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether this expression had explicit template arguments. 2408e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2409e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2410e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2411e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2412e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2413e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2414e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2415e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2416e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2417e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 24187bb12da2b0749eeebb21854c77877736969e59f2John McCall 2419b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 24207bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall 2423e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2424e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2425e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2426e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2427e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2428e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2429e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2430e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 24310982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Copies the template arguments into the given structure. 2432e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2433e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2434e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2435e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2436096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 24370982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// 2438096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2439096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 24407d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 2441096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2442096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 24437bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24447bb12da2b0749eeebb21854c77877736969e59f2John McCall 24457bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 24467bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 24477bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 24487bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24494045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 24504045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 24514045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 24527bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 24537bb12da2b0749eeebb21854c77877736969e59f2John McCall 24547bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 24550982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// parsing but could not resolve to a specific declaration. 24560982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 24570982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// This arises in several ways: 24587bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24597bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24607bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24617bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24620982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// These never include UnresolvedUsingValueDecls, which are always class 24630982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// members and therefore appear only in UnresolvedMemberLookupExprs. 24647bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2465ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2466ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2467ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2468ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2469ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 24707453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24717453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24727453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24737453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24747bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24757bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24767bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24777bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24787bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24797bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2480f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2482928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24834c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2484e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24852577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2486ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2487bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2488b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End) 2489e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2490e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2491ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2492ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2493ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2494ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2495bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2496bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2497b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith RequiresADL(false), Overloaded(false), NamingClass(0) 2498bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2499bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 25004c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2501ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2502ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2503ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2504c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 25054c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 25062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 25075a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2508ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2509b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator End) { 2510e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2511e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2512b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith ADL, Overloaded, 0, Begin, End); 2513ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2514ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2515f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2516c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 25174c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2518e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2520f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 25219d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 25235a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2524f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2525bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2526e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2527bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2528bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2529ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2530ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2531ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2532ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25337453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 25347453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 25357453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2536c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2537c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2538c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2539c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2540c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 254165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 254265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (NestedNameSpecifierLoc l = getQualifierLoc()) 254365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return l.getBeginLoc(); 254465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getNameInfo().getLocStart(); 254565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 254665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 2547ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 254865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 254965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getNameInfo().getLocEnd(); 2550ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2551ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 255263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2553ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2554ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2555ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2556ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2557ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2558ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25595953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25605953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25615953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2562ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2563a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25645953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2565865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25665953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25675953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25685953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2569865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2570ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2571a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2572a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2573865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2574ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2575ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 257600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2577ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 257800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 257900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25805953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2581e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2582e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2583e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2584e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2585e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2586e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2587e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2588e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2589e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2590e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2591e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2592e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2593e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2594e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2596f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 259700cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2598e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2600bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2601f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2602f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2603f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 260400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2605e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 26062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2607e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 26085953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 260912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2610e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 261112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 261212dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 26135953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 26142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 26152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 26162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 26172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 26185953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 26195953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 26202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 26215953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 262200cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 262300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 262400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2625ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2626ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2627ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2628ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2629ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2630ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 263100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 26321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2633e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2634e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2635e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2636e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2637e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2638e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2639e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2640e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2641e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2642e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2643e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2644e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2645e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2646e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2647e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2648e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2649e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2650e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2651e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2652e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2653e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2654e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2655e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2656e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2657f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2658e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2660f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2661f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2662f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2664b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 266512dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2666b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 266712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 266812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2669f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2670b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2671f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2672b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2673f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2676096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2677096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 26787d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 2679096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2680096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2681096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2682096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2683f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2684f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2685f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2686f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2687f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2688ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2689f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2690f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2691d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2692d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2693f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2694f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2695f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 269865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return QualifierLoc.getBeginLoc(); 269965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 270065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 2701f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 270265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 270365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getLocation(); 2704edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 27051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2707f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2708edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2709f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 271063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 27114045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 27124045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 27134045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2714edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 27151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27164765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 27174765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 27184765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 271980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 272080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 272180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 272280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 272480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 272580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 27264765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 272780ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 272880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 272980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 273080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 273180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 273280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 273380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 273480ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 273502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 27361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 273780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 273880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 273902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 274080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 274180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 274280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 274380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 274480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 274580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 274680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2747ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 274888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 274980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 275080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 275380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2754ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 275580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 275680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2757f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 275880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 275980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 276080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 276180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 276280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 276380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2764d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 276602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2767f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 276880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 276980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 277080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 277188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 277202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 277365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 277465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExpr->getLocStart(); 277596be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 277665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();} 277702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 277802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 277902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27804765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 278102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 278202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 278302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 278463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 278502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 278602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2788d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2789d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2790d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2791d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2792fe865f1f35d1b91f42f58f08a1399b961b71b3bcJames Dennett/// CXXUnresolvedConstructExpr have the form <tt>T(a1, a2, ..., aN)</tt>, 27930982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// where \c T is some type and \c a1, \c a2, ..., \c aN are values, and 27940982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// either \c T is a dependent type or one or more of the <tt>a</tt>'s is 2795d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2796d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2797d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2798d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2799d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2800d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2801d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2802d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2803d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2804d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2805d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2806d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2807d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2808d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2809d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2810ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2811ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2812d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2813d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2814d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2815d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2816d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2817d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2818d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2819d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 28201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2821ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2822d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 28233b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2824d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2825d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28268dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2827ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 28288dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2829ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2830ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2831d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 28321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2833ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2834d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 28353b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2836d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2837d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28388dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 28398dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 28408dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2841d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2842d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2843ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2844d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2845ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2846ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2847ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2848ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2849d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2850d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2851d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2852d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2853d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2854d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2855d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2856d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2857d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2858d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2859d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2860d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2861d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2862d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2863d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2864d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2865d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28661dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28711dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2874d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2875d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2876d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2877d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2878d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28791dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28801dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28811dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28821dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28831dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28848dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28858dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28868dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28878dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28888dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 288965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY; 289065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 2891ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2893d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2894d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2895d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2896d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 289763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 289863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 289963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 290063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2901d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2902d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2903ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2904ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2905ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2906aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2907aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2908aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2909aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2910865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 29111c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2912aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 29131c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 29141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2915aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2916aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2917aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2918aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29191c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 29201c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 29213b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 29221c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2923e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2924e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2925e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 29261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29271c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 29281c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 29291c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2930a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 29317c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 29321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2933c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2935c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2936c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 293746bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2938c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2939865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2940c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 29411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29421c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29431c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2944a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2947e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2948e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2949e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2950e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2951e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2952e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2953e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2954e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2955e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2956e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2957e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2958865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2959aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29603b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29617c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2962e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29633b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29642577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2965d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29671c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2968865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2969bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2970bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2971bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29727c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2973bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2974bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2976865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2978aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29793b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29807c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2981e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29823b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29832577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2984d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29868dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2987e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2988def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29898dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2990aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2991aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2992aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29934c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2994aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2997aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2998aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2999aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3000aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 30011c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3002aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3003aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 30041c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 30051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 30061c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 30071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30081c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 30091c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 30101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3011a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 3012a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 3013ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 3014ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 30157c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 30161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30177c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 30187c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 30197c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 3020ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3021ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3022c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 3023c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 3024c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 3025c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 3026c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 30271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 3029c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 3030c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 3031c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 3032c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 30331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 3034c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 3035c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 30361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30371c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 30381c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 30392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 30402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 30412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 30422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30461c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30471c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30481c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30501c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3051e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3052e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3053e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3054e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3055e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3056e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3057e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3058e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3059e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3060e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3061e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3062e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3063e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3064e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3065e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3066e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3067e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3068e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3069e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3070e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3071e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3072e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3073e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3074e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30753b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30763b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3077e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 308036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3081b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3082e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3083b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 308436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 308536c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 308636c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 308736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3088b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 308936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3090096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3091096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3092096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3093096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3094096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3095096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 30967d9f07732b85f1b2989c640065512a6af9a0f49aDmitri Gribenko const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() const { 3097096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3098096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 309936c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 310036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3101d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3102d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3103d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3104096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3105d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3106d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 31078dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 31088dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3109096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 31108dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 31118dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 31123b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 31133b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3114833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3115096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 31163b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31183b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 31193b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 31201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3121096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 31223b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 31231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 3125aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 312665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Base->getLocStart(); 312765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (getQualifier()) 312865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getQualifierLoc().getBeginLoc(); 312965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return MemberNameInfo.getBeginLoc(); 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 313165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 313265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 3133aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 313465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 313565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return MemberNameInfo.getEndLoc(); 31361c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3139865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 31401c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31411c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31421c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 314363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 314463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 314563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 314663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31474045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31484045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31494045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31501c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31511c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3152129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3153aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3154aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3155aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3156aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3157aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3158aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3159aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3160aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3161aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3162aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3163aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3164aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31657bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3166129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3167129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3168129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3169129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3171129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3172129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3173129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31747bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31757bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31767bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31777bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31787bb12da2b0749eeebb21854c77877736969e59f2John McCall 31797bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31807bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3182129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3183129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3184129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3185bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3186aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3187129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31884c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3189e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31915a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31925a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3193ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3194a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3195a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3196a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3197129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31984c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3199ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3200129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3201129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3202bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3203aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3204129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 32054c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3206e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 32072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 32085a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 32095a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3210129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3211a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3212e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3213def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3214a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3215aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3216aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3217aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 32184c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3219aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3220129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3221129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3222aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3223aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3224aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3225aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 32262f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 32272f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 32282f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 32292f27bf854f0519810b34afd209089cc75536b757John McCall } 3230129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3231aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3232a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3233a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3234a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3235a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3236aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3237129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3238129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3239129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3240129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3241129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3242129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3243129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3244c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3245c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3246c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3251129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3252129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32537bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3254129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3255129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3256129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32577bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3258129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 325965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 3260aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 326165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Base->getLocStart(); 326265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (NestedNameSpecifierLoc l = getQualifierLoc()) 326365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return l.getBeginLoc(); 326465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getMemberNameInfo().getLocStart(); 326565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 326665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 3267129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 326865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getRAngleLoc(); 326965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getMemberNameInfo().getLocEnd(); 3270129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3271129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3272129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3273129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3274129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3275129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3276129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 327763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 327863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 327963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 328063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3281129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3282129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32872e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32892e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32902e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3292c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3293c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32942e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32952e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32962e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3297f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3298f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3299bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3300561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3301bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 33026b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 33036b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 33046b219d082434394c1ac401390ec1d1967727815aSebastian Redl 33056b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 33066b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 33072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 33082e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 33102e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 331165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); } 331265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); } 3313aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 33142e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33152e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 33162e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33172e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 33182e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 33192e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 33202e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 33212e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 332263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 33232e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 33242e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3325ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3326be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3327be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3328be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3329be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3330be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3332be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3334be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3335be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3336be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3337be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3338be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3339ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3340be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3341be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3342be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3343be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3344ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 334567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 334667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 334767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 334867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 334967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 335067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3351ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3352be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3353ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3354be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 335567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3357be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 335867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 3359dc84cd5efdd3430efb22546b4ac656aa0540b210David Blaikie Optional<unsigned> NumExpansions) 3360ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3361ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3362561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3363561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3364be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 336567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3366be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3367be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3368be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3369ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3370be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3371be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3372be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3373be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3374be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3375be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3376be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3377be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3378be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3379ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3380ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 338167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 3382dc84cd5efdd3430efb22546b4ac656aa0540b210David Blaikie Optional<unsigned> getNumExpansions() const { 338367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 338467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3385ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 338666874fb18afbffb8b2ca05576851a64534be3352David Blaikie return None; 338767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3388ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 338965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 339065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Pattern->getLocStart(); 339163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 339265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EllipsisLoc; } 3393be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3394be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3395be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3396be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3397ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3398be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 339963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 340063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 340163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3402be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3403ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3404e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3405e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 34067bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3407e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3408e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 34097bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3410e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3411e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 34127bb12da2b0749eeebb21854c77877736969e59f2John McCall} 34137bb12da2b0749eeebb21854c77877736969e59f2John McCall 3414ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3415ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3416ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3418ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3419ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3422ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3424ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3425ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3426ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3428ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3429ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3430ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3431ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3432ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3435ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3437ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3438ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3439ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3440ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3441ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3442ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3443ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3444ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3445ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3446ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3447ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3449ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3450ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3452ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3453561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3454ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3455ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3456ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3457ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3459ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3460ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3461ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3462ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3463ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3464ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3465561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3466ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3467ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3468ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3469ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3470ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3471ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3472ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3473ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3474ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3475ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3476ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3477ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3478ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3479ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3480ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3482ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3483ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3484ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3485ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3486ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3488c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3489ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3491ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3492ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3493ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3494ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 349565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return OperatorLoc; } 349665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 3497ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3498ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3499ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3500ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3501ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3502ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 350363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3504ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3505c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 350691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 350791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 350891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 350991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 351091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 351191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 351291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 351391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 351491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 351591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 351691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 351791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 35187110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 35197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3520ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 35217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 35227110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 352391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3524ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 352591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 352691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 352791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 352891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 352991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 353091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 353191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 353291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 353391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 353491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 353591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 353665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 353765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 353891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 353991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3540ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 354191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 354291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 354391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 354491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 354591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3546ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 354791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 354891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 354991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 355091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3552c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3553c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3556fb7669ee725ec699e2b49b8359c4652536949739Douglas Gregor/// parameter lists, this node is used to represent a non-type template 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3559c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3560c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3561c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3562c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3563c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3564c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3565c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3566ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3567c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3568c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3569c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3570ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3571c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3572c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3574c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3575c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3576ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3578c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35807110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3581ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3582c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3583ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3584c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3585c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3586c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3587ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3588c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3589c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3590c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3591c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3592c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3593ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3594c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3595c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3596c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3597c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 359865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 359965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 3600ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3601c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3602c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3603c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3604ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3605c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 360663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3607c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 360803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 36099a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \brief Represents a reference to a function parameter pack that has been 36109a4db032ecd991626d236a502e770126db32bd31Richard Smith/// substituted but not yet expanded. 36119a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 36129a4db032ecd991626d236a502e770126db32bd31Richard Smith/// When a pack expansion contains multiple parameter packs at different levels, 36139a4db032ecd991626d236a502e770126db32bd31Richard Smith/// this node is used to represent a function parameter pack at an outer level 36149a4db032ecd991626d236a502e770126db32bd31Richard Smith/// which we have already substituted to refer to expanded parameters, but where 36159a4db032ecd991626d236a502e770126db32bd31Richard Smith/// the containing pack expansion cannot yet be expanded. 36169a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 36179a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \code 36189a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Ts> struct S { 36199a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Us> auto f(Ts ...ts) -> decltype(g(Us(ts)...)); 36209a4db032ecd991626d236a502e770126db32bd31Richard Smith/// }; 36219a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template struct S<int, int>; 36229a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \endcode 36239a4db032ecd991626d236a502e770126db32bd31Richard Smithclass FunctionParmPackExpr : public Expr { 36249a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The function parameter pack which was referenced. 36259a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack; 36269a4db032ecd991626d236a502e770126db32bd31Richard Smith 36279a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The location of the function parameter pack reference. 36289a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc; 36299a4db032ecd991626d236a502e770126db32bd31Richard Smith 36309a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The number of expansions of this pack. 36319a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParameters; 36329a4db032ecd991626d236a502e770126db32bd31Richard Smith 36339a4db032ecd991626d236a502e770126db32bd31Richard Smith FunctionParmPackExpr(QualType T, ParmVarDecl *ParamPack, 36349a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, unsigned NumParams, 36359a4db032ecd991626d236a502e770126db32bd31Richard Smith Decl * const *Params); 36369a4db032ecd991626d236a502e770126db32bd31Richard Smith 36379a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTReader; 36389a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTStmtReader; 36399a4db032ecd991626d236a502e770126db32bd31Richard Smith 36409a4db032ecd991626d236a502e770126db32bd31Richard Smithpublic: 36419a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *Create(ASTContext &Context, QualType T, 36429a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack, 36439a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, 3644cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko ArrayRef<Decl *> Params); 36459a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *CreateEmpty(ASTContext &Context, 36469a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParams); 36479a4db032ecd991626d236a502e770126db32bd31Richard Smith 36489a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the parameter pack which this expression refers to. 36499a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getParameterPack() const { return ParamPack; } 36509a4db032ecd991626d236a502e770126db32bd31Richard Smith 36519a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the location of the parameter pack. 36529a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation getParameterPackLocation() const { return NameLoc; } 36539a4db032ecd991626d236a502e770126db32bd31Richard Smith 36549a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Iterators over the parameters which the parameter pack expanded 36559a4db032ecd991626d236a502e770126db32bd31Richard Smith /// into. 36569a4db032ecd991626d236a502e770126db32bd31Richard Smith typedef ParmVarDecl * const *iterator; 36579a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator begin() const { return reinterpret_cast<iterator>(this+1); } 36589a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator end() const { return begin() + NumParameters; } 36599a4db032ecd991626d236a502e770126db32bd31Richard Smith 36609a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the number of parameters in this parameter pack. 36619a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned getNumExpansions() const { return NumParameters; } 36629a4db032ecd991626d236a502e770126db32bd31Richard Smith 36639a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get an expansion of the parameter pack by index. 36649a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getExpansion(unsigned I) const { return begin()[I]; } 36659a4db032ecd991626d236a502e770126db32bd31Richard Smith 366665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; } 366765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; } 36689a4db032ecd991626d236a502e770126db32bd31Richard Smith 36699a4db032ecd991626d236a502e770126db32bd31Richard Smith static bool classof(const Stmt *T) { 36709a4db032ecd991626d236a502e770126db32bd31Richard Smith return T->getStmtClass() == FunctionParmPackExprClass; 36719a4db032ecd991626d236a502e770126db32bd31Richard Smith } 36729a4db032ecd991626d236a502e770126db32bd31Richard Smith 36739a4db032ecd991626d236a502e770126db32bd31Richard Smith child_range children() { return child_range(); } 36749a4db032ecd991626d236a502e770126db32bd31Richard Smith}; 36759a4db032ecd991626d236a502e770126db32bd31Richard Smith 367603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 367703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 367803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 367903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 368003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 368103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 368203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 368303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 368403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 368503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 368603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 368703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 368803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 368903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 369003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 369103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 369203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 369303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 369403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3695d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3696ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 369703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 369803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3699ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 370003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3701ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3702b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3703b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 370403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 370503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3706561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 370703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 370803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3709ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3710ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 371103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3712ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 371303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 371403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 371503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3716ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 371703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 371803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 372003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 372103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3722ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 372365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { 372465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Temporary->getLocStart(); 372565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 372665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 372765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Temporary->getLocEnd(); 3728aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3729ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 373003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 373103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 373203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3733ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 373403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 373503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 373603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3737ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 37385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 37395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3741