ExprCXX.h revision 530564196fe7e2e30fbc2b0edae45975447583e0
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" 19eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall#include "clang/AST/UnresolvedSet.h" 20d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall#include "clang/AST/TemplateBase.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; 334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 341060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek// C++ Expressions. 361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A call to an overloaded operator written using operator 393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax. 403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// Represents a call to an overloaded operator written using operator 423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax, e.g., "x + y" or "*p". While semantically equivalent to a 433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// normal call, this AST node provides better information about the 443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntactic representation of the call. 453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In a C++ template, this expression node kind will be used whenever 473fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// any of the arguments are type-dependent. In this case, the 483fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function itself will be a (possibly empty) set of functions and 493fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function templates that were found by name lookup at template 503fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// definition time. 51b4609806e9232593ece09ce08b630836e825865cDouglas Gregorclass CXXOperatorCallExpr : public CallExpr { 52063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief The overloaded operator. 53063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind Operator; 544548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange Range; 55063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 56be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Record the FP_CONTRACT state that applies to this operator call. Only 57be9af1288881110e406b87914162eaa59f1e5918Lang Hames // meaningful for floating point types. For other types this value can be 58be9af1288881110e406b87914162eaa59f1e5918Lang Hames // set to false. 59be9af1288881110e406b87914162eaa59f1e5918Lang Hames unsigned FPContractable : 1; 60be9af1288881110e406b87914162eaa59f1e5918Lang Hames 614548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRangeImpl() const LLVM_READONLY; 62b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 643b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> args, QualType t, ExprValueKind VK, 65be9af1288881110e406b87914162eaa59f1e5918Lang Hames SourceLocation operatorloc, bool fpContractable) 663b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, t, VK, 67f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 68be9af1288881110e406b87914162eaa59f1e5918Lang Hames Operator(Op), FPContractable(fpContractable) { 694548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis Range = getSourceRangeImpl(); 704548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis } 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 72ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 75b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 76b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 77063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 78b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 79b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 80b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 81b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 82b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 83b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 84b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 85b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 864548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis SourceRange getSourceRange() const { return Range; } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 90b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 914548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis 92be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Set the FP contractability status of this operator. Only meaningful for 93be9af1288881110e406b87914162eaa59f1e5918Lang Hames // operations on floating point types. 94be9af1288881110e406b87914162eaa59f1e5918Lang Hames void setFPContractable(bool FPC) { FPContractable = FPC; } 95be9af1288881110e406b87914162eaa59f1e5918Lang Hames 96be9af1288881110e406b87914162eaa59f1e5918Lang Hames // Get the FP contractability status of this operator. Only meaningful for 97be9af1288881110e406b87914162eaa59f1e5918Lang Hames // operations on floating point types. 98be9af1288881110e406b87914162eaa59f1e5918Lang Hames bool isFPContractable() const { return FPContractable; } 99be9af1288881110e406b87914162eaa59f1e5918Lang Hames 1004548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtReader; 1014548ca2912e5f2b78a20e50c58d8a1a9c5e9e67cArgyrios Kyrtzidis friend class ASTStmtWriter; 102b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 103b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 10488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 10588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 10688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 10788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 10888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 10988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 11088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 11188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 11288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 11388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 1143b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer CXXMemberCallExpr(ASTContext &C, Expr *fn, ArrayRef<Expr*> args, 115f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 1163b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, t, VK, RP) {} 11788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 1181817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 1191817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 1201817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 12188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 12288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 12388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 124b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek Expr *getImplicitObjectArgument() const; 125ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 126b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek /// Retrieves the declaration of the called method. 127b277159055933e610bbc80262b600d3ad7e0595cTed Kremenek CXXMethodDecl *getMethodDecl() const; 12888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 129007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 130007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 131007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 132007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 133007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 1340cf3c0eecbff007cea2750c113894b47d9e09f33David Blaikie CXXRecordDecl *getRecordDecl() const; 135007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 1361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 13888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 13988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 14088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 141e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne/// CUDAKernelCallExpr - Represents a call to a CUDA kernel function. 142e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneclass CUDAKernelCallExpr : public CallExpr { 143e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourneprivate: 144e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne enum { CONFIG, END_PREARG }; 145e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 146e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbournepublic: 147e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, Expr *fn, CallExpr *Config, 1483b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> args, QualType t, ExprValueKind VK, 1493b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SourceLocation RP) 1503b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, CUDAKernelCallExprClass, fn, END_PREARG, args, t, VK, RP) { 151e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne setConfig(Config); 152e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 153e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 154e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CUDAKernelCallExpr(ASTContext &C, EmptyShell Empty) 155e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne : CallExpr(C, CUDAKernelCallExprClass, END_PREARG, Empty) { } 156e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 157e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne const CallExpr *getConfig() const { 158e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return cast_or_null<CallExpr>(getPreArg(CONFIG)); 159e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 160e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne CallExpr *getConfig() { return cast_or_null<CallExpr>(getPreArg(CONFIG)); } 161e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne void setConfig(CallExpr *E) { setPreArg(CONFIG, E); } 162e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 163e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne static bool classof(const Stmt *T) { 164e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne return T->getStmtClass() == CUDAKernelCallExprClass; 165e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne } 166e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne}; 167e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne 16849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 16949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 17049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 17149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 17249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 17349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 17449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 17549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1781d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 179ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 181f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 182f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1831d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1841d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1851d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1861d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 18749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 188f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 189f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 190ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1911d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 192ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 19449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 19549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 196a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 197a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 198a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 199a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 2001d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 2011d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 202ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 203aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 2041d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor return SourceRange(Loc, RParenLoc); 2051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 20749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 20849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 20949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 21049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 21149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 21249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 21349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 21449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 21549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 2161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 21749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 21849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 219ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// CXXStaticCastExpr - A C++ @c static_cast expression 220ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// (C++ [expr.static.cast]). 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 22349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 22449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 225f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 226f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 2271d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 228f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 2291d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 23049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 231f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 232f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 233f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 234f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 235f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 236f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 237f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 238ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2391d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 240f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 241f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 242ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 24449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 24549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 24649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 24749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 24849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 25049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 25249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 25349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 25449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 255f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 256f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2571d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 258f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2591d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 26049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 261f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 262f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 263f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 264f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 265f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 266f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 267f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 268ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *Written, SourceLocation L, 2691d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 270ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 271f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 272f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 273ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2740fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson bool isAlwaysNull() const; 2750fee330f5754ca4b248e5bb7363e834668aff06dAnders Carlsson 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 27749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 27849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 27949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 28049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 28149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 28249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 28349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 28549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 28649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 28749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 288f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 289f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 290ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 2911d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 292f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2931d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 29449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 295f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 296f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 297f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 298f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 299f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 300f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 301f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 302ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3031d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 304f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 305f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 306ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 30849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 30949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 31049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 31149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 31249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 31349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 31549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 31649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 31749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 318f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 319ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *writtenTy, SourceLocation l, 3201d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 321ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 3221d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 32349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 324ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 325f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 326f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 327f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 328f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 329f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 330ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *WrittenTy, SourceLocation L, 3311d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 332f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 333ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 33549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 33649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 3371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3399fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// UserDefinedLiteral - A call to a literal operator (C++11 [over.literal]) 3409fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// written as a user-defined literal (C++11 [lit.ext]). 3419fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3429fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Represents a user-defined literal, e.g. "foo"_bar or 1.23_xyz. While this 3439fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// is semantically equivalent to a normal call, this AST node provides better 3449fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// information about the syntactic representation of the literal. 3459fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// 3469fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// Since literal operators are never found by ADL and can only be declared at 3479fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith/// namespace scope, a user-defined literal is never dependent. 3489fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithclass UserDefinedLiteral : public CallExpr { 3499fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// \brief The location of a ud-suffix within the literal. 3509fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation UDSuffixLoc; 3519fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3529fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smithpublic: 3533b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UserDefinedLiteral(ASTContext &C, Expr *Fn, ArrayRef<Expr*> Args, 3549fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith QualType T, ExprValueKind VK, SourceLocation LitEndLoc, 3559fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith SourceLocation SuffixLoc) 3563b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer : CallExpr(C, UserDefinedLiteralClass, Fn, 0, Args, T, VK, LitEndLoc), 3573b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer UDSuffixLoc(SuffixLoc) {} 3589fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith explicit UserDefinedLiteral(ASTContext &C, EmptyShell Empty) 3599fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith : CallExpr(C, UserDefinedLiteralClass, Empty) {} 3609fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3619fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// The kind of literal operator which is invoked. 3629fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith enum LiteralOperatorKind { 3639fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Raw, ///< Raw form: operator "" X (const char *) 3649fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Template, ///< Raw form: operator "" X<cs...> () 3659fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Integer, ///< operator "" X (unsigned long long) 3669fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Floating, ///< operator "" X (long double) 3679fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_String, ///< operator "" X (const CharT *, size_t) 3689fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LOK_Character ///< operator "" X (CharT) 3699fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith }; 3709fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3719fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getLiteralOperatorKind - Returns the kind of literal operator invocation 3729fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// which this expression represents. 3739fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith LiteralOperatorKind getLiteralOperatorKind() const; 3749fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3759fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getCookedLiteral - If this is not a raw user-defined literal, get the 3769fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// underlying cooked literal (representing the literal with the suffix 3779fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// removed). 3789fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith Expr *getCookedLiteral(); 3799fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const Expr *getCookedLiteral() const { 3809fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return const_cast<UserDefinedLiteral*>(this)->getCookedLiteral(); 3819fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 3829fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3830265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocStart() const { 3840265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara if (getLiteralOperatorKind() == LOK_Template) 3850265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getRParenLoc(); 3860265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return getArg(0)->getLocStart(); 3870265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 3880265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getLocEnd() const { return getRParenLoc(); } 3890265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceRange getSourceRange() const { 3900265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara return SourceRange(getLocStart(), getLocEnd()); 3910265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara } 3920265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3930265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara 3949fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression. 3959fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// For a string literal, there may be multiple identical suffixes. This 3969fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// returns the first. 3970265555a0fec81102bfb3757cfc7f3d90dbbe409Abramo Bagnara SourceLocation getUDSuffixLoc() const { return UDSuffixLoc; } 3989fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 3999fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith /// getUDSuffix - Returns the ud-suffix specified for this literal. 4009fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith const IdentifierInfo *getUDSuffix() const; 4019fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4029fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith static bool classof(const Stmt *S) { 4039fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith return S->getStmtClass() == UserDefinedLiteralClass; 4049fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith } 4059fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4069fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtReader; 4079fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith friend class ASTStmtWriter; 4089fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith}; 4099fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith 4101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 4121060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 4131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 4141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 4151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 417bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 418561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 419f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 4208b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 421eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 422eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 423eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 425eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 427aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 430eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 431eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 4341060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 43763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 4391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 4406e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 4416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 4426e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 4436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 4446e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 445bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 446561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 447f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 4486e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 449eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 450eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 451eb7f96141f754150a92433286fa385910a22f494Sam Weinig 452aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 4536e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 454eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 455eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 456eb7f96141f754150a92433286fa385910a22f494Sam Weinig 4576e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 4586e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 4596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 4606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 46163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 4626e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 4636e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 464c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 465c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 466c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 467c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 468c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 469c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 470c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 47157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 472c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 473c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 474c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 47557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 476f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 47757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 47857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 47957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 480bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 481561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 482bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 48357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 484ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 48557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 486f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 4872850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 488bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 4892850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 490bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 491561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 492bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 49357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 494c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 49514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 49614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 49714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 49814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 49914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 50014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 50114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 502ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5030d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// Determine whether this typeid has a type operand which is potentially 5040d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith /// evaluated, per C++11 [expr.typeid]p3. 5050d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith bool isPotentiallyEvaluated() const; 5060d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith 50757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 508ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 51057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 51157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 51257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 51357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 51457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 515c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 51657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 517c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 51814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 51914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 52014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 52114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 52214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 523ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 52414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 525c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 52657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 527c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 528ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 529030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 530030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 531030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 532030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 533ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 534aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 53514ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 536ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 537c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 538c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 539c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 540c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 541c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 54263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 54363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 54463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 54563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 54663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 547c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 548c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 54901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 55001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 55101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 55201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 55301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 55401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 55501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 55601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 55701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 55801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 55901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 5602e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 561bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 562561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->getType()->isInstantiationDependentType(), 563bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 56401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 565ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 56601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 5672e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 568bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 569561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Operand->isInstantiationDependent(), 570bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 57101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 57201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 57301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 57401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 57501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 57601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 57701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 57801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 57901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 580ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 582ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 58301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 58401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 58501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 58601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 58701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 58801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 58901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 59001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 59101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 59201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 59301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 59401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 59501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 59601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 59801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 59901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 60001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 60101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 602ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 60301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 60401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 60501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 60601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 60701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 608aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 60901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 610ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 61101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 61201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 61301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 61401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 615c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber /// Grabs __declspec(uuid()) off a type, or returns 0 if there is none. 616c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber static UuidAttr *GetUuidAttrOfType(QualType QT); 617c5f804636e367ef744fd24cf88f7c956a5af0434Nico Weber 61801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 61963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 62163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 62263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 62363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 62401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 62501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 626796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 627796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 628796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 629796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 630796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 631796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 632796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 633796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 634796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 635796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 636796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 637796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 638796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 639828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 640ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 641796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 642828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 643f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 6442850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 6452850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 646bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 647561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 648bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 649828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 650796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6512fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 6522fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6532fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 6542fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 6552fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 656aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); } 657796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 658828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 659828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 660ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 662796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 663796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 664796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 665796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 66663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 667796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 668796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 6691060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 6701060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 6711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 6721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 6731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 6741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 6751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 676bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Whether the thrown variable (if any) is in scope. 677bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor unsigned IsThrownVariableInScope : 1; 678ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 679bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor friend class ASTStmtReader; 680ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 6821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 6831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 6841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 685bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l, 686bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool IsThrownVariableInScope) : 687bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 688561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor expr && expr->isInstantiationDependent(), 689bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 690bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor Op(expr), ThrowLoc(l), IsThrownVariableInScope(IsThrownVariableInScope) {} 6912fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 6922fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 6931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 6941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 69542e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 69642e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 6971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 698bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// \brief Determines whether the variable thrown by this expression (if any!) 699bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// is within the innermost try block. 700bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// 701bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// This information is required to determine whether the NRVO can apply to 702bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor /// this variable. 703bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor bool isThrownVariableInScope() const { return IsThrownVariableInScope; } 704ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 705aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 7071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 7081060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 7091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7121060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 7131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7141060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 71663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 71763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 71863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 7201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 7221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 7231060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 7241060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 7251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 72665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 72765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 728ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// When the bit is set, the subexpression is stored after the 72965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 73065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 73165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 733036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 734036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 735ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 736036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 737ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(SC, 73865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 73965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 7402333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 741dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 742561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false, false), 743036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 74465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 746036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 747dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 748dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 749ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie false, false, false, false), 750bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 75165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 75265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 755030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 756030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 757ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 7591060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 760036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 761036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 762036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 763f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 7641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 76565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 76665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 767ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static CXXDefaultArgExpr *Create(ASTContext &C, 768036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 769ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ParmVarDecl *Param, 77065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 771ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 77365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 77465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 777ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie const Expr *getExpr() const { 77865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 77965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 780ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 78165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 782ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getExpr() { 78365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 78465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return getParam()->getDefaultArg(); 78665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 7871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 788ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the location where this default argument was actually 789036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 790036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 791ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 792aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7931060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 7941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 7951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 7961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 7971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 7981060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 7991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 8001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 8011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 8021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 80363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 8048a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 80560adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 8063397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 8071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 808987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 809c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 810c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 811c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 812b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 8131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 814b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 815c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 816c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 817c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 8181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 819b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 82276f3f69db1416425070177243e9f390122c553e0Richard Smith void setDestructor(const CXXDestructorDecl *Dtor) { 82376f3f69db1416425070177243e9f390122c553e0Richard Smith Destructor = Dtor; 82476f3f69db1416425070177243e9f390122c553e0Richard Smith } 825c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 826fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 827ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 828ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 829ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 830ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 831ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 832ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 833ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 834ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 835ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 836ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 837ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 838ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 839ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 840ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 841fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 842fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 844fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 845fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 846bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 847bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 848ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 849bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 850561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor SubExpr->isInstantiationDependent(), 851bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 852bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 85388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 854fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 855d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 856d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 857ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 859fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 862f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 863d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 864f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 865fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 866fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 86788eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 868fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 869aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 87096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 87196be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 872fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 873fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 874fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 875fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 876fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 877fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 878fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 87963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 880fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 881fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 8820982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a call to a C++ constructor. 88315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 88472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 88572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 88672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 88772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 888059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_VirtualBase, 889059ce0d92eb5a7da900ae735dc0a2ea3d64f4b0bSean Hunt CK_Delegating 89072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 891ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 89272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 89315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 89415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 89599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 896428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 897a48e676a717309afa50ae06a3d4674acec025bf9Douglas Gregor unsigned NumArgs : 16; 89816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 8997cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates : 1; 9005b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization : 1; 90116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 90272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 90315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 90799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 908bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 9093b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9107cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9115b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9125b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9135b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9145b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 915bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 9166d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9176d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 9185b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(false), 9195b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl HadMultipleCandidates(false), ListInitialization(false), 9205b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ZeroInitialization(false), ConstructKind(0), Args(0) 9215b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9226d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 92315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 9246d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 9256d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 9266d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 9275b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl NumArgs(0), Elidable(false), HadMultipleCandidates(false), 9285b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ListInitialization(false), ZeroInitialization(false), 9295b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructKind(0), Args(0) 9305b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl { } 9316d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 9328e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 93399a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 9353b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 9367cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 9375b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ListInitialization, 9385b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool ZeroInitialization, 9395b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl ConstructionKind ConstructKind, 9405b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceRange ParenRange); 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 942d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 94339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 944ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 94599a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 94699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 947ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 948d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 949d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 95039da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 9517cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9527cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// \brief Whether the referred constructor was resolved from 9537cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara /// an overloaded set having size greater than 1. 9547cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool hadMultipleCandidates() const { return HadMultipleCandidates; } 9557cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara void setHadMultipleCandidates(bool V) { HadMultipleCandidates = V; } 9567cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 9575b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl /// \brief Whether this constructor call was written as list-initialization. 9585b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl bool isListInitialization() const { return ListInitialization; } 9595b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl void setListInitialization(bool V) { ListInitialization = V; } 9605b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl 96116006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 96216006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 96316006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 96416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 96516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 96616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 967ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9689db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 9699db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 97024eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 97124eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 97272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 973ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setConstructionKind(ConstructionKind CK) { 97472e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 97572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 976ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 97715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 97815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 9791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 98115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 98215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 98315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 98415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 985a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 98615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 98715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 988bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 989bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 990bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 991bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 992bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 993bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 994bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 995bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 996bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9982eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 9992eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 10002eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 10012eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 10022eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 10032eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 1004aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1005428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 1006a770a4daf77037b5526dba1c447d61acf0aba01aDaniel Jasper void setParenRange(SourceRange Range) { ParenRange = Range; } 100715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1009524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 1010524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 101115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 101463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 101563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 101663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10176d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 101860adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 101915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 102015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 10210982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents an explicit C++ type conversion that uses "functional" 10220982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// notation (C++ [expr.type.conv]). 10230982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 10240982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// Example: 10250982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 10260982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// x = int(0.5); 10270982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 102849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 1029987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 1030987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1031f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1032f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 1033f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 1035f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 1036ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation rParenLoc) 1037f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 1038f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 10390aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 10400aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 1041f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 1042f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 1043f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1044f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 1045f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 1046f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 1047f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 1048f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 1049f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 1050f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1051f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 1052f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 1053f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 1054ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1055987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 1056ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 1057987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 1058ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1060aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1061987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 1062987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 1065987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1066987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1067987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1068506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 1069506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 1070506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 1072506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 1073ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// constructor to build a temporary object. With N == 1 arguments the 1074ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 1075506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 1076506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 1077506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 1078506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 1079506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 1080506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 1081506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 1082506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 1083524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 1084ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 1085506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1086506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 1088ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 10893b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr *> Args, 1090428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 10917cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara bool HadMultipleCandidates, 10921c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 10936d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 1094ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 1095506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 1096ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 1097ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 1098aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 1099ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1101506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 1102506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 11036d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 110460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 1105506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 1106506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 110701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \brief A C++ lambda expression, which produces a function object 110801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// (of unspecified type) that can be invoked later. 110901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 111001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Example: 111101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \code 111201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// void low_pass_filter(std::vector<double> &values, double cutoff) { 111301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// values.erase(std::remove_if(values.begin(), values.end(), 111401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor// [=](double value) { return value > cutoff; }); 111501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// } 111601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// \endcode 111701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// 111801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// Lambda expressions can capture local variables, either by copying 111901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// the values of those local variables at the time the function 112001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// object is constructed (not when it is called!) or by holding a 112101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// reference to the local variable. These captures can occur either 112201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// implicitly or can be written explicitly between the square 112301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor/// brackets ([...]) that start the lambda expression. 112401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorclass LambdaExpr : public Expr { 112501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor enum { 112601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indicate that the given 112701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture was implicit. 112801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_Implicit = 0x01, 112901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 113001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Flag used by the Capture class to indciate that the 113101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// given capture was by-copy. 113201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture_ByCopy = 0x02 113301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 113401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 113501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The source range that covers the lambda introducer ([...]). 113601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange; 113701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11387ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief The number of captures. 11397ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned NumCaptures : 16; 11407ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 114101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The default capture kind, which is a value of type 114201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// LambdaCaptureDefault. 114301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned CaptureDefault : 2; 114401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 114501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Whether this lambda had an explicit parameter list vs. an 114601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit (and empty) parameter list. 114701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor unsigned ExplicitParams : 1; 114801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1149dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had the result type explicitly specified. 1150dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor unsigned ExplicitResultType : 1; 1151dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor 1152dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether there are any array index variables stored at the end of 1153dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// this lambda expression. 11547ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned HasArrayIndexVars : 1; 11557ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 115601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief The location of the closing brace ('}') that completes 115701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// the lambda. 115801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 115901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// The location of the brace is also available by looking up the 116001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// function call operator in the lambda class. However, it is 116101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stored here to improve the performance of getSourceRange(), and 116201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// to avoid having to deserialize the function call operator from a 116301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// module file just to determine the source range. 116401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation ClosingBrace; 116501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 11667ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // Note: The capture initializers are stored directly after the lambda 11677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // expression, along with the index variables used to initialize by-copy 11687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor // array captures. 11697ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 117001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 117101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Describes the capture of either a variable or 'this'. 117201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor class Capture { 117301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor llvm::PointerIntPair<VarDecl *, 2> VarAndBits; 117401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation Loc; 117501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc; 11769daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 117701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 117801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 11799daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 118001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor public: 118101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Create a new capture. 118201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Loc The source location associated with this capture. 118401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Kind The kind of capture (this, byref, bycopy). 118601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Implicit Whether the capture was implicit or explicit. 118801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 118901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param Var The local variable being captured, or null if capturing this. 119001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 119101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \param EllipsisLoc The location of the ellipsis (...) for a 119201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// capture that is a pack expansion, or an invalid source 119301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// location to indicate that this is not a pack expansion. 119401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor Capture(SourceLocation Loc, bool Implicit, 119501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind Kind, VarDecl *Var = 0, 119601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation EllipsisLoc = SourceLocation()); 119701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 119801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the kind of capture. 119901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureKind getCaptureKind() const; 120001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles the C++ 'this' 120201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// pointer. 120301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesThis() const { return VarAndBits.getPointer() == 0; } 120401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture handles a variable. 120601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool capturesVariable() const { return VarAndBits.getPointer() != 0; } 120701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 120801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the declaration of the local variable being 120901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captured. 121001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 121101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// This operation is only valid if this capture does not capture 121201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 'this'. 121301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor VarDecl *getCapturedVar() const { 121401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(!capturesThis() && "No variable available for 'this' capture"); 121501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return VarAndBits.getPointer(); 121601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 121701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 121801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an implicit capture (not 121901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// written between the square brackets introducing the lambda). 122001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isImplicit() const { return VarAndBits.getInt() & Capture_Implicit; } 122101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this was an explicit capture, written 122301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// between the square brackets introducing the lambda. 122401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isExplicit() const { return !isImplicit(); } 122501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 122601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source location of the capture. 122701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// 122801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// For an explicit capture, this returns the location of the 122901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit capture in the source. For an implicit capture, this 123001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// returns the location at which the variable or 'this' was first 123101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// used. 123201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getLocation() const { return Loc; } 123301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this capture is a pack expansion, 123501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which captures a function parameter pack. 123601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isPackExpansion() const { return EllipsisLoc.isValid(); } 123701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 123801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the location of the ellipsis for a capture 123901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// that is a pack expansion. 124001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceLocation getEllipsisLoc() const { 124101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor assert(isPackExpansion() && "No ellipsis location for a non-expansion"); 124201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return EllipsisLoc; 124301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 124401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor }; 124501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 124601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorprivate: 124701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a lambda expression. 124801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaExpr(QualType T, SourceRange IntroducerRange, 124901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 125001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 125101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1252dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 125301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12549daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12559daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1256612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1257612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 125801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 12599d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct an empty lambda expression. 12609d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor LambdaExpr(EmptyShell Empty, unsigned NumCaptures, bool HasArrayIndexVars) 12619d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor : Expr(LambdaExprClass, Empty), 12629d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor NumCaptures(NumCaptures), CaptureDefault(LCD_None), ExplicitParams(false), 12639d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor ExplicitResultType(false), HasArrayIndexVars(true) { 12649d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor getStoredStmts()[NumCaptures] = 0; 12659d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor } 12669d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 12677ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor Stmt **getStoredStmts() const { 12687ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Stmt **>(const_cast<LambdaExpr *>(this) + 1); 12697ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12707ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12717ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the mapping from captures to the first array index 12727ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// variable. 12737ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned *getArrayIndexStarts() const { 12747ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<unsigned *>(getStoredStmts() + NumCaptures + 1); 12757ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12767ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 12777ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Retrieve the complete set of array-index variables. 12787ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor VarDecl **getArrayIndexVars() const { 1279a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith unsigned ArrayIndexSize = 1280a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::RoundUpToAlignment(sizeof(unsigned) * (NumCaptures + 1), 1281a796b6c4b99116ca31e6e61d8765b321678d580eRichard Smith llvm::alignOf<VarDecl*>()); 12827ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<VarDecl **>( 128388d2f678e70ab9360f09f3534d9223e6ec20f129Richard Smith reinterpret_cast<char*>(getArrayIndexStarts()) + ArrayIndexSize); 12847ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 12857ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 128601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregorpublic: 128701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Construct a new lambda expression. 128801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static LambdaExpr *Create(ASTContext &C, 128901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *Class, 129001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange IntroducerRange, 129101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault CaptureDefault, 129201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Capture> Captures, 129301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool ExplicitParams, 1294dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool ExplicitResultType, 129501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor ArrayRef<Expr *> CaptureInits, 12969daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> ArrayIndexVars, 12979daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<unsigned> ArrayIndexStarts, 1298612409ece080e814f79e06772c690d603f45fbd6Richard Smith SourceLocation ClosingBrace, 1299612409ece080e814f79e06772c690d603f45fbd6Richard Smith bool ContainsUnexpandedParameterPack); 130001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13019d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// \brief Construct a new lambda expression that will be deserialized from 13029d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor /// an external source. 13039d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor static LambdaExpr *CreateDeserialized(ASTContext &C, unsigned NumCaptures, 13049d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor unsigned NumArrayIndexVars); 13059d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor 130601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine the default capture kind for this lambda. 130701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor LambdaCaptureDefault getCaptureDefault() const { 130801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return static_cast<LambdaCaptureDefault>(CaptureDefault); 130901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 131001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief An iterator that walks over the captures of the lambda, 131201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// both implicit and explicit. 131301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef const Capture *capture_iterator; 131401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first lambda capture. 1316da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_begin() const; 131701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 131801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the 131901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// sequence of lambda captures. 1320da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator capture_end() const; 132101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13227ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor /// \brief Determine the number of captures in this lambda. 13237ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor unsigned capture_size() const { return NumCaptures; } 13247ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor 132501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first explicit 132601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1327da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_begin() const; 132801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 132901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 133001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// explicit lambda captures. 1331da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator explicit_capture_end() const; 133201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing to the first implicit 133401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda capture. 1335da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_begin() const; 133601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 133701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve an iterator pointing past the end of the sequence of 133801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// implicit lambda captures. 1339da8962a6198bc4bf09a38209db99551b2b0a41a0Douglas Gregor capture_iterator implicit_capture_end() const; 134001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Iterator that walks over the capture initialization 134201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// arguments. 134301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor typedef Expr **capture_init_iterator; 134401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 134501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the first initialization argument for this 134601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression (which initializes the first capture field). 13477ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_begin() const { 13487ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return reinterpret_cast<Expr **>(getStoredStmts()); 13497ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 135001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 135101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the iterator pointing one past the last 135276e3da57b0e8cf72d221f44d54566ef206341668Douglas Gregor /// initialization argument for this lambda expression. 13537ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor capture_init_iterator capture_init_end() const { 13547ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return capture_init_begin() + NumCaptures; 13557ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 135601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 13579daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \brief Retrieve the set of index variables used in the capture 13589daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// initializer of an array captured by copy. 13599daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// 13609daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// \param Iter The iterator that points at the capture initializer for 13619daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor /// which we are extracting the corresponding index variables. 13629daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor ArrayRef<VarDecl *> getCaptureInitIndexVars(capture_init_iterator Iter) const; 13639daa7bfdff7256cef693d7bf10084881bcb9253cDouglas Gregor 136401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the source range covering the lambda introducer, 136501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// which contains the explicit capture list surrounded by square 136601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// brackets ([...]). 136701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor SourceRange getIntroducerRange() const { return IntroducerRange; } 136801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 136901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the class that corresponds to the lambda, which 137001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// stores the captures in its fields and provides the various 137101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// operations permitted on a lambda (copying, calling). 137201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXRecordDecl *getLambdaClass() const; 137301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the function call operator associated with this 137501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// lambda expression. 137601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor CXXMethodDecl *getCallOperator() const; 137701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 137801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Retrieve the body of the lambda. 13799d36f5dc4121f0f931211ea2d0a74d299eb82b23Douglas Gregor CompoundStmt *getBody() const; 138001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 138101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether the lambda is mutable, meaning that any 138201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// captures values can be modified. 138301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool isMutable() const; 138401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 138501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// \brief Determine whether this lambda has an explicit parameter 138601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor /// list vs. an implicit (empty) parameter list. 138701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor bool hasExplicitParameters() const { return ExplicitParams; } 138801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1389dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor /// \brief Whether this lambda had its result type explicitly specified. 1390dfca6f53ab97d28d43e3fa2564209df08f3d282cDouglas Gregor bool hasExplicitResultType() const { return ExplicitResultType; } 13919e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 139201d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor static bool classof(const Stmt *T) { 139301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return T->getStmtClass() == LambdaExprClass; 139401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 139501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1396aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 139701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor return SourceRange(IntroducerRange.getBegin(), ClosingBrace); 139801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor } 139901d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 14007ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor child_range children() { 14017ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1); 14027ae282fde0a12635893931ebf31b35b0d5d5cab3Douglas Gregor } 140301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 140401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtReader; 140501d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor friend class ASTStmtWriter; 140601d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor}; 140701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 1408ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 1409506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 1410ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 1411987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1412ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 1413987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 1414ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 1415987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 1416ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 1417ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1418987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 1419ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Create an explicitly-written scalar-value initialization 1420ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 1421ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 1422ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 1423ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 1424f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 1425561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, Type->isInstantiationDependentType(), false), 1426ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 1427ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 1428ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 1429ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 14301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1431ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1432ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 14334c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 1434ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1435ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 14364c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 1437aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1440ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 1441987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1443987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 144463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1445987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 1446987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 14470982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @brief Represents a new-expression for memory allocation and constructor 14480982205bade2fb4fc984c27b2ab401e683963b10James Dennett// calls, e.g: "new CXXNewExpr(foo)". 14494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 14502aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Contains an optional array size expression, an optional initialization 14512aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // expression, and any number of optional placement arguments, in that order. 14524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 14530982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the allocation function used. 14544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 14550982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Points to the deallocation function used in case of error. May be 14560982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// null. 14574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 14584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 14591bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 14601bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 1461ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1462ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief If the allocated type was expressed as a parenthesized type-id, 14634bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 14644bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 1465ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1466530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie /// \brief Range of the entire new expression. 1467530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range; 14682aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 14692aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Source-range of a paren-delimited initializer. 14702aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange DirectInitRange; 14714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1472d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Was the usage ::new, i.e. is the global new to be used? 1473d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool GlobalNew : 1; 1474d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Do we allocate an array? If so, the first SubExpr is the size expression. 1475d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool Array : 1; 1476d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // If this is an array allocation, does the usual deallocation 1477d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // function for the allocated type want to know the allocated size? 1478d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer bool UsualArrayDeleteWantsSize : 1; 1479d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The number of placement new arguments. 1480d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned NumPlacementArgs : 13; 1481d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // What kind of initializer do we have? Could be none, parens, or braces. 1482d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // In storage, we distinguish between "none, and no initializer expr", and 1483d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // "none, but an implicit initializer expr". 1484d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer unsigned StoredInitializationStyle : 2; 1485d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 148660adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 14872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl friend class ASTStmtWriter; 14884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 14892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl enum InitializationStyle { 14902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl NoInit, ///< New-expression has no initializer as written. 14912aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl CallInit, ///< New-expression has a C++98 paren-delimited initializer. 14922aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl ListInit ///< New-expression has a C++11 list-initializer. 14932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl }; 14942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl 1495ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 14961548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 14973b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> placementArgs, 14982aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange typeIdParens, Expr *arraySize, 14992aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle initializationStyle, Expr *initializer, 15006ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1501530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceRange Range, SourceRange directInitRange); 15025921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 15035921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 15045921863d8f24084797863b5df37842113bac4352Chris Lattner 15055921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 15062aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer); 1507ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1508cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1509cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 15106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1511cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 15124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15131bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 15141bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 15151bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 1516c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 1517c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// \brief True if the allocation result needs to be null-checked. 1518c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// C++0x [expr.new]p13: 1519c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// If the allocation function returns null, initialization shall 1520c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// not be done, the deallocation function shall not be called, 1521c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// and the value of the new-expression shall be null. 1522c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// An allocation function is not allowed to return null unless it 1523c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// has a non-throwing exception-specification. The '03 rule is 1524c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// identical except that the definition of a non-throwing 1525c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall /// exception specification is just "is it throw()?". 15268026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool shouldNullCheckAllocation(ASTContext &Ctx) const; 1527ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 15295921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 15304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 15315921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 15324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1533cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1534cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1535cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1536cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1537cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1538cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1539cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1540cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 15414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr **getPlacementArgs() { 15432aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return reinterpret_cast<Expr **>(SubExprs + Array + hasInitializer()); 1544aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1545ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 15474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15482aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return getPlacementArgs()[i]; 15494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 15514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 15522aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return const_cast<CXXNewExpr*>(this)->getPlacementArg(i); 15534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15554bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 15564bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 15574bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 15584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 15597cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara 15602aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief Whether this new-expression has any initializer at all. 15612aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool hasInitializer() const { return StoredInitializationStyle > 0; } 15621548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15632aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The kind of initializer this new-expression has. 15642aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl InitializationStyle getInitializationStyle() const { 15652aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (StoredInitializationStyle == 0) 15662aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return NoInit; 15672aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return static_cast<InitializationStyle>(StoredInitializationStyle-1); 15681548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15691548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15702aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// \brief The initializer of this new-expression. 15712aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl Expr *getInitializer() { 15722aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15731548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15742aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *getInitializer() const { 15752aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return hasInitializer() ? cast<Expr>(SubExprs[Array]) : 0; 15761548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl } 15771548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 1578feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay /// \brief Returns the CXXConstructExpr from this new-expression, or NULL. 157988920d1a84dc63a3722b1f2b1fb5926c44bd81abRoman Divacky const CXXConstructExpr* getConstructExpr() const { 1580feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay return dyn_cast_or_null<CXXConstructExpr>(getInitializer()); 1581feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay } 1582feb1f4a0a71868a271fa284dadfda7a2beeaccffMatt Beaumont-Gay 15832aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// Answers whether the usual array deallocation function for the 15842aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// allocated type expects the size of the allocation as a 15852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl /// parameter. 15862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl bool doesUsualArrayDeleteWantSize() const { 15872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return UsualArrayDeleteWantsSize; 15882aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 15891548d14f4092a817f7d90ad3e7a65266dc85fbc5Sebastian Redl 15904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 15914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 15924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 15934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 15942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 15954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 15972aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 15984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 15994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 16002aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer(); 16014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 16032aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1605ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16065921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 16075921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 16085921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 16092aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16105921863d8f24084797863b5df37842113bac4352Chris Lattner } 16115921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 16122aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const_arg_iterator raw_arg_end() const { 16132aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return SubExprs + Array + hasInitializer() + getNumPlacementArgs(); 16142aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } 16154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1616530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getStartLoc() const { return Range.getBegin(); } 1617530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie SourceLocation getEndLoc() const { return Range.getEnd(); } 1618428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 16192aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl SourceRange getDirectInitRange() const { return DirectInitRange; } 1620428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1621aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1622530564196fe7e2e30fbc2b0edae45975447583e0David Blaikie return Range; 16234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 16274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 163063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 16312aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl return child_range(raw_arg_begin(), raw_arg_end()); 163263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 16334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 16344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16350982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a \c delete expression for memory deallocation and 16360982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// destructor calls, e.g. "delete[] pArray". 16374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 1638d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Points to the operator delete overload that is used. Could be a member. 1639d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer FunctionDecl *OperatorDelete; 1640d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // The pointer expression to be deleted. 1641d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Argument; 1642d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer // Location of the expression. 1643d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer SourceLocation Loc; 16444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 16454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 16464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 16474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 16484076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 16494076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 16504076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 16514076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 16526ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 16536ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 16546ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 16554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 16564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 16576ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 16586ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1659bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1660561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor arg->isInstantiationDependent(), 1661bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1662d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer OperatorDelete(operatorDelete), Argument(arg), Loc(loc), 1663f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 16644076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 1665d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) { } 166695fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 166795fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 16684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 16704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 16714076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 16724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16736ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 16746ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 16756ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 16766ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 16776ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 16786ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 16796ec278d1a354517e20f13a877481453ee7940c78John McCall } 16806ec278d1a354517e20f13a877481453ee7940c78John McCall 16814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 16824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 16844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 16854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1686a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1687a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1688a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 16895833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 1690ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1691aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 16924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 16934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 16964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 16974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 16984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 16994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 170063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1701f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1702f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 17034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 17044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17050982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Stores the type being destroyed by a pseudo-destructor expression. 1706a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1707ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Either the type source information or the name of the type, if 1708a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1709a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1710ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1711a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1712a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1713ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1714a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1715a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1716ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1717a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1718a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1719ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1720a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1721ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1722ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getTypeSourceInfo() const { 1723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return Type.dyn_cast<TypeSourceInfo *>(); 1724a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1725ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1726a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1727a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1728a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1729ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1730a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1731a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1732ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1733a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1734a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1735e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1736ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// destructor of a scalar type, except that scalar types don't have 1737e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1738e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1739e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1740e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1741e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1742e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1743e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1744e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1745a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1746e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1747ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// 1748a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1750a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1751e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1752a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1753a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1754a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1755e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1756e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1757a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1758a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1759a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 17601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1761a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1762a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1763a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1765a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1766a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 1767ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1768a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1769f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 17701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1771e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1772e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1773e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1774ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The location of the '::' in a qualified pseudo-destructor 1776e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1777e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1778ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1779fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1780fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1781ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1782ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief The type being destroyed, or its name if we were unable to 1783a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1784a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1786f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor friend class ASTStmtReader; 1787ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1788a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1789a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1790a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1791f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 1792e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1793e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1794fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1795e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 17961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1797de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1798de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1799f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor Base(0), IsArrow(false), QualifierLoc(), ScopeType(0) { } 1800de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1801a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 18021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1804a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1805a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1806f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor bool hasQualifier() const { return QualifierLoc; } 18071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1808f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// \brief Retrieves the nested-name-specifier that qualifies the type name, 1809f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor /// with source-location information. 1810f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 1811ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1813a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1814a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1815ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 1816ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 1817f3db29fff6a583ecda823cf909ab7737d8d30129Douglas Gregor } 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1819a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1820a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1821a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1822a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1823a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1824a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1826ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the scope type in a qualified pseudo-destructor 1827e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1828e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1829e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1830e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1831e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1832ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \p T may also be a scalar type and, therefore, cannot be part of a 1833e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1834e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 183526d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1836ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1837e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1838e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1839e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1840ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1841fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1842fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1843ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 184426d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 184526d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1846a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1847ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This type-source information is available for non-dependent 1848a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1849a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1850a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1851ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *getDestroyedTypeInfo() const { 1852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getTypeSourceInfo(); 1853a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1854ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1855a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1856a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1857a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1858a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1859a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1860a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1861ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1862a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1863a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1864ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1865a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1866ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SourceLocation getDestroyedTypeLoc() const { 1867ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return DestroyedType.getLocation(); 1868a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1870de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1871de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1872de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1873de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1874de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1875de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1876de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1877de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1878de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1879de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1880de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1881aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1884a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1885a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1887a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 188863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1889a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 18901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18910982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS unary type trait, as used in the 18920982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 18930982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 189464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 18950982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 18960982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_pod(int) == true 18970982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_enum(std::string) == false 18980982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 189964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 19000dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 19010dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 19020dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 19030dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 190464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 190564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 190664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 190764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 190864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 190964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 191064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19110dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 19123d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 191364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 191464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 1915ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 19160dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 191764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1918f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1919bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1920561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->getType()->isInstantiationDependentType(), 1921bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 19220dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19246d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 19250dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 19263d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 19276d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 1928aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);} 192964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19300dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 193164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19323d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 193364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19343d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 1935ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19360dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 193764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 193864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 193964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 194164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 194264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 194363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19446d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 194560adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 194664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 194764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19480982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief Represents a GCC or MS binary type trait, as used in the 19490982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// implementation of TR1/C++11 type trait templates. 19500982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 19516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 19520982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 19530982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_base_of(Base, Derived) == true 19540982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 19556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 19566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 19576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 19586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 19606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 19616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 19636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 19646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 19666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 19676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 19706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 19726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 1975ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 1976ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 1978ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1980bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1981561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (lhsType->getType()->isInstantiationDependentType() || 1982561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor rhsType->getType()->isInstantiationDependentType()), 1983bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1984bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1991f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 1993aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 19946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 19986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 19996ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20006ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20016ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 20026ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 20036ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20046ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 20056ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 2006ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20076ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 20086ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20096ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 20106ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 20116ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20126ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20136ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 201463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 20156ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20166ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 20176ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 20186ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20194ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \brief A type trait used in the implementation of various C++11 and 20204ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// Library TR1 trait templates. 20214ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// 20224ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \code 20234ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// __is_trivially_constructible(vector<int>, int*, int*) 20244ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor/// \endcode 20254ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorclass TypeTraitExpr : public Expr { 20264ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the type trait keyword. 20274ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation Loc; 20284ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20294ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The location of the closing parenthesis. 20304ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc; 20314ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20324ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Note: The TypeSourceInfos for the arguments are allocated after the 20334ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // TypeTraitExpr. 20344ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20354ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind, 20364ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExpr(EmptyShell Empty) : Expr(TypeTraitExprClass, Empty) { } 20414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo **getTypeSourceInfos() { 20444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo **>(this+1); 20454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo * const *getTypeSourceInfos() const { 20494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return reinterpret_cast<TypeSourceInfo * const*>(this+1); 20504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregorpublic: 20534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Create a new type trait expression. 20544ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *Create(ASTContext &C, QualType T, SourceLocation Loc, 20554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait Kind, 20564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> Args, 20574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor SourceLocation RParenLoc, 20584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool Value); 20594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static TypeTraitExpr *CreateDeserialized(ASTContext &C, unsigned NumArgs); 20614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine which type trait this expression uses. 20634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTrait getTrait() const { 20644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return static_cast<TypeTrait>(TypeTraitExprBits.Kind); 20654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor bool getValue() const { 20684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(!isValueDependent()); 20694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return TypeTraitExprBits.Value; 20704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Determine the number of arguments to this type trait. 20734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned getNumArgs() const { return TypeTraitExprBits.NumArgs; } 20744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the Ith argument. 20764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeSourceInfo *getArg(unsigned I) const { 20774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor assert(I < getNumArgs() && "Argument out-of-range"); 20784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getArgs()[I]; 20794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief Retrieve the argument types. 20824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor ArrayRef<TypeSourceInfo *> getArgs() const { 20834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return ArrayRef<TypeSourceInfo *>(getTypeSourceInfos(), getNumArgs()); 20844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo **arg_iterator; 20874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_begin() { 20884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos(); 20894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_iterator arg_end() { 20914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 20944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor typedef TypeSourceInfo const * const *arg_const_iterator; 20954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_begin() const { return getTypeSourceInfos(); } 20964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor arg_const_iterator arg_end() const { 20974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return getTypeSourceInfos() + getNumArgs(); 20984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 20994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2100aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParenLoc); } 21014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21024ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor static bool classof(const Stmt *T) { 21034ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor return T->getStmtClass() == TypeTraitExprClass; 21044ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor } 21054ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21064ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor // Iterators 21074ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor child_range children() { return child_range(); } 21084ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 21104ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 21114ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21124ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor}; 21134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 21140982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An Embarcadero array type trait, as used in the implementation of 21150982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank and __array_extent. 21160982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 211721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// Example: 21180982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21190982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_rank(int[10][20]) == 2 21200982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __array_extent(int, 1) == 20 21210982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 212221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleyclass ArrayTypeTraitExpr : public Expr { 212399ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 212499ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 21250982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. An ArrayTypeTrait enum in MSVC compat unsigned. 212621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley unsigned ATT : 2; 212721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21280982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 212921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t Value; 213021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21310982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The array dimension being queried, or -1 if not used. 213221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *Dimension; 213321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21340982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 213521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc; 213621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21370982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 213821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen; 213921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21400982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The type being queried. 214121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *QueriedType; 214221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 214321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleypublic: 214421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTraitExpr(SourceLocation loc, ArrayTypeTrait att, 214521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *queried, uint64_t value, 214621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *dimension, SourceLocation rparen, QualType ty) 214721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 214821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley false, queried->getType()->isDependentType(), 2149561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (queried->getType()->isInstantiationDependentType() || 2150561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (dimension && dimension->isInstantiationDependent())), 215121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley queried->getType()->containsUnexpandedParameterPack()), 215221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ATT(att), Value(value), Dimension(dimension), 215321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Loc(loc), RParen(rparen), QueriedType(queried) { } 215421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 215621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley explicit ArrayTypeTraitExpr(EmptyShell Empty) 215721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley : Expr(ArrayTypeTraitExprClass, Empty), ATT(0), Value(false), 215821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QueriedType() { } 215921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216025aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek virtual ~ArrayTypeTraitExpr() { } 216125aaf28c5bec71d5d005df67ee78b908ba5940f4Manuel Klimek 2162aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar virtual SourceRange getSourceRange() const LLVM_READONLY { 2163ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return SourceRange(Loc, RParen); 2164ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 216521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); } 216721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 216821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley QualType getQueriedType() const { return QueriedType->getType(); } 216921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 217121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley uint64_t getValue() const { assert(!isTypeDependent()); return Value; } 217321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley Expr *getDimensionExpression() const { return Dimension; } 217521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 217621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley static bool classof(const Stmt *T) { 217721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return T->getStmtClass() == ArrayTypeTraitExprClass; 217821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 217921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley // Iterators 218121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley child_range children() { return child_range(); } 218221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 218321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley friend class ASTStmtReader; 218421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley}; 218521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 21860982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// \brief An expression trait intrinsic. 21870982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 2188552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// Example: 21890982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @code 21900982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(std::cout) == true 21910982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// __is_lvalue_expr(1) == false 21920982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// @endcode 2193552622067dc45013d240f73952fece703f5e63bdJohn Wiegleyclass ExpressionTraitExpr : public Expr { 21940982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The trait. A ExpressionTrait enum in MSVC compat unsigned. 2195552622067dc45013d240f73952fece703f5e63bdJohn Wiegley unsigned ET : 31; 21960982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The value of the type trait. Unspecified if dependent. 2197552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool Value : 1; 2198552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 21990982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the type trait keyword. 2200552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc; 2201552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22020982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The location of the closing paren. 2203552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen; 2204552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22050982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The expression being queried. 2206552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr* QueriedExpression; 2207552622067dc45013d240f73952fece703f5e63bdJohn Wiegleypublic: 2208ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExpressionTraitExpr(SourceLocation loc, ExpressionTrait et, 2209552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *queried, bool value, 2210552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation rparen, QualType resultType) 2211552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, resultType, VK_RValue, OK_Ordinary, 2212552622067dc45013d240f73952fece703f5e63bdJohn Wiegley false, // Not type-dependent 2213552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Value-dependent if the argument is type-dependent. 2214552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->isTypeDependent(), 2215561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor queried->isInstantiationDependent(), 2216552622067dc45013d240f73952fece703f5e63bdJohn Wiegley queried->containsUnexpandedParameterPack()), 2217ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ET(et), Value(value), Loc(loc), RParen(rparen), 2218ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QueriedExpression(queried) { } 2219552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2220552622067dc45013d240f73952fece703f5e63bdJohn Wiegley explicit ExpressionTraitExpr(EmptyShell Empty) 2221552622067dc45013d240f73952fece703f5e63bdJohn Wiegley : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false), 2222552622067dc45013d240f73952fece703f5e63bdJohn Wiegley QueriedExpression() { } 2223552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22240982205bade2fb4fc984c27b2ab401e683963b10James Dennett SourceRange getSourceRange() const LLVM_READONLY { 22250982205bade2fb4fc984c27b2ab401e683963b10James Dennett return SourceRange(Loc, RParen); 22260982205bade2fb4fc984c27b2ab401e683963b10James Dennett } 2227552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2228552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); } 2229552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2230552622067dc45013d240f73952fece703f5e63bdJohn Wiegley Expr *getQueriedExpression() const { return QueriedExpression; } 2231552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2232552622067dc45013d240f73952fece703f5e63bdJohn Wiegley bool getValue() const { return Value; } 2233552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2234552622067dc45013d240f73952fece703f5e63bdJohn Wiegley static bool classof(const Stmt *T) { 2235552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return T->getStmtClass() == ExpressionTraitExprClass; 2236552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2237552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2238552622067dc45013d240f73952fece703f5e63bdJohn Wiegley // Iterators 2239552622067dc45013d240f73952fece703f5e63bdJohn Wiegley child_range children() { return child_range(); } 2240552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2241552622067dc45013d240f73952fece703f5e63bdJohn Wiegley friend class ASTStmtReader; 2242552622067dc45013d240f73952fece703f5e63bdJohn Wiegley}; 2243552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2244552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 22457bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 2246809d1be9820039b4cf6efa48246a0d70ffa13394James Dennett/// \c UnresolvedLookupExpr or an \c UnresolvedMemberExpr. 22477bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 22480982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief The common name of these declarations. 2249d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer DeclarationNameInfo NameInfo; 2250d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2251d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer /// \brief The nested-name-specifier that qualifies the name, if any. 2252d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer NestedNameSpecifierLoc QualifierLoc; 2253d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer 2254ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 22557bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 22567bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 2257928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 2258928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 2259928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 2260ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2261a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 2262e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2263e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2264e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2265e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2266e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2267e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo(); // defined far below. 2268e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2269e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2270e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2271e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<OverloadExpr*>(this)->getTemplateKWAndArgsInfo(); 2272e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 22737bb12da2b0749eeebb21854c77877736969e59f2John McCall 2274bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 22754c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2276e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 22772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2278bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2279bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 2280561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownDependent, 2281561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownInstantiationDependent, 2282561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool KnownContainsUnexpandedParameterPack); 22837bb12da2b0749eeebb21854c77877736969e59f2John McCall 2284a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 2285d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer : Expr(K, Empty), QualifierLoc(), Results(0), NumResults(0), 2286d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer HasTemplateKWAndArgsInfo(false) { } 2287a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2288bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 2289bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 2290bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 22917bb12da2b0749eeebb21854c77877736969e59f2John McCall 2292bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 22939c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 22949c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 22959c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 22969c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 22979c72c6088d591ace8503b842d39448c2040f3033John McCall }; 22989c72c6088d591ace8503b842d39448c2040f3033John McCall 22997bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 23007bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 23017bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 23029c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 23039c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 23049c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 23057bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 23067bb12da2b0749eeebb21854c77877736969e59f2John McCall 23079c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 23089c72c6088d591ace8503b842d39448c2040f3033John McCall 23097bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 23109c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 23119c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 23129c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 23139c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 23149c72c6088d591ace8503b842d39448c2040f3033John McCall 23159c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 23169c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 23179c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 23189c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 23199c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 23209c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 23219c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 23229c72c6088d591ace8503b842d39448c2040f3033John McCall } 23239c72c6088d591ace8503b842d39448c2040f3033John McCall 23249c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 23257bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23267bb12da2b0749eeebb21854c77877736969e59f2John McCall 23270982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the naming class of this lookup, if any. 2328e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 2329e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 23307bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 2331928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 2332ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie decls_iterator decls_end() const { 2333928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 2334928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 2335ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 23360982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the number of declarations in the unresolved set. 2337928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 23387bb12da2b0749eeebb21854c77877736969e59f2John McCall 23390982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the full name info. 23402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 23412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 23420982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the name looked up. 23432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 23447bb12da2b0749eeebb21854c77877736969e59f2John McCall 23450982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Gets the location of the name. 23462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 23477bb12da2b0749eeebb21854c77877736969e59f2John McCall 23480982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier, if one was given. 2349ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2350ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 23514c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor } 23527bb12da2b0749eeebb21854c77877736969e59f2John McCall 23530982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Fetches the nested-name qualifier with source-location 23540982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// information, if one was given. 23554c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 23567bb12da2b0749eeebb21854c77877736969e59f2John McCall 2357e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2358e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2359e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2360e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2361e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2362e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2363e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2364e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2365e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2366e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2367e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2368e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2372e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2375e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23777bb12da2b0749eeebb21854c77877736969e59f2John McCall 23780982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether the name was preceded by the template keyword. 2379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2380e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 23810982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Determines whether this expression had explicit template arguments. 2382e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 2383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2384e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Note that, inconsistently with the explicit-template-argument AST 2385e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // nodes, users are *forbidden* from calling these methods on objects 2386e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // without explicit template arguments. 2387e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2388e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 2389e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 2390e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return *getTemplateKWAndArgsInfo(); 2391e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 23927bb12da2b0749eeebb21854c77877736969e59f2John McCall 2393b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 23947bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 23957bb12da2b0749eeebb21854c77877736969e59f2John McCall } 23967bb12da2b0749eeebb21854c77877736969e59f2John McCall 2397e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateArgumentLoc const *getTemplateArgs() const { 2398e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().getTemplateArgs(); 2399e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2400e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2401e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned getNumTemplateArgs() const { 2402e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getExplicitTemplateArgs().NumTemplateArgs; 2403e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2404e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 24050982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// \brief Copies the template arguments into the given structure. 2406e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2407e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getExplicitTemplateArgs().copyInto(List); 2408e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2409e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2410096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 24110982205bade2fb4fc984c27b2ab401e683963b10James Dennett /// 2412096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2413096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2414b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2415096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2416096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 24177bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24187bb12da2b0749eeebb21854c77877736969e59f2John McCall 24197bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 24207bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall } 24234045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 24244045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 24254045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 24267bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 24277bb12da2b0749eeebb21854c77877736969e59f2John McCall 24287bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 24290982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// parsing but could not resolve to a specific declaration. 24300982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// 24310982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// This arises in several ways: 24327bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 24337bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 24347bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 24357bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 24360982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// These never include UnresolvedUsingValueDecls, which are always class 24370982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// members and therefore appear only in UnresolvedMemberLookupExprs. 24387bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 2439ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 2440ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 2441ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 2442ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 2443ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 24447453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 24457453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 24467453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 24477453ed4cb2cab113de3378df371b1c6f1243d832John McCall 24487bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 24497bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 24507bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 24517bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 24527bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 24537bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 2454f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2455ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedLookupExpr(ASTContext &C, 2456928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 24574c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2458e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2460ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool RequiresADL, bool Overloaded, 2461bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 2462b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator Begin, UnresolvedSetIterator End) 2463e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara : OverloadExpr(UnresolvedLookupExprClass, C, QualifierLoc, TemplateKWLoc, 2464e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara NameInfo, TemplateArgs, Begin, End, false, false, false), 2465ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith RequiresADL(RequiresADL), 2466ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith Overloaded(Overloaded), NamingClass(NamingClass) 2467ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 2468ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2469bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 2470bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 2471b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith RequiresADL(false), Overloaded(false), NamingClass(0) 2472bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 2473bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 24744c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 2475ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2476ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 2477ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2478c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24794c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 24802577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 24815a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 2482ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 2483b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith UnresolvedSetIterator End) { 2484e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return new(C) UnresolvedLookupExpr(C, NamingClass, QualifierLoc, 2485e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation(), NameInfo, 2486b1502bcd67fb593a95cbf73ec3814f4015666da0Richard Smith ADL, Overloaded, 0, Begin, End); 2487ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2488ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2489f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 2490c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 24914c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2492e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 24932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2494f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 24959d9922af13edf3ddf8804a41a98d997324fdd58eAbramo Bagnara const TemplateArgumentListInfo *Args, 2496ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie UnresolvedSetIterator Begin, 24975a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 2498f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2499bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 2500e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 2501bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 2502bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 2503ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 2504ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 2505ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 2506ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25077453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 25087453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 25097453ed4cb2cab113de3378df371b1c6f1243d832John McCall 2510c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 2511c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 2512c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 2513c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 2514c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 2515aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 25162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 2517ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (getQualifierLoc()) 25184c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 2519ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie if (hasExplicitTemplateArgs()) 25204c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setEnd(getRAngleLoc()); 2521f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2522ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2523ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 252463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2525ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 2526ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 2527ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 2528ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 2529ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 2530ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 25315953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 25325953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 25335953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 2534ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 2535a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 25365953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 2537865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 25385953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 25395953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 25405953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 2541865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 2542ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 2543a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 2544a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 2545865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 2546ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 2547ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 254800cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc; 2549ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 255000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// The name of the entity we will be referencing. 255100cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor DeclarationNameInfo NameInfo; 25525953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 2553e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether the name includes info for explicit template 2554e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2555e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo; 2556e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2557e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2558e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2559e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2560e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2561e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2562e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2563e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2564e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<DependentScopeDeclRefExpr*>(this) 2565e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2566e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 25671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2568f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 256900cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2570e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2572bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 2573f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 2574f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 2575f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 257600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 2577e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 25782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 2579e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const TemplateArgumentListInfo *TemplateArgs); 25805953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 258112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 2582e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 258312dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 258412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 25855953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 25862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 25872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 25882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 25892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 25905953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 25915953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 25922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 25935953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 259400cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the 259500cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor /// name, with source location information. 259600cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2598ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2599ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 2600ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 2601ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2602ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 260300cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor } 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2605e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding 2606e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// this name, if any. 2607e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 2608e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2609e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 2610e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2611e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2612e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 2613e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2614e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 2615e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2616e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 2617e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2618e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2619e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 2620e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the name, if any. 2621e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 2622e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 2623e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 2624e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2625e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2626e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the name was preceded by the template keyword. 2627e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 2628e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2629f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 2630e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 26311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2632f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 2633f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 2634f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 26351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2636b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 263712dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 2638b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo*>(this + 1); 263912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 264012dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 2641f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 2642b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 2643f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 2644b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<const ASTTemplateArgumentListInfo*>(this + 1); 2645f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2647096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2648096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2649096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2650b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 2651096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2652096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2653096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2654096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2655f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 2656f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 2657f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2658f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 2659f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 2660ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2661f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 2662f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2663d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2664d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2665f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 2666f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2667f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 26681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2669aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 267000cf3cc2718671aa48e8da264a523b0058a8591eDouglas Gregor SourceRange Range(QualifierLoc.getBeginLoc(), getLocation()); 2671f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 2672f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 2673f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 2674edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2677f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 2678edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 2679f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 268063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 26814045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 26824045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 26834045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 2684edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 26851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26864765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 26874765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 26884765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 268980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// cleanups is temporary objects in C++, but several other kinds of 269080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// expressions can create cleanups, including basically every 269180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// call in ARC that returns an Objective-C pointer. 269280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// 269380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// This expression also tracks whether the sub-expression contains a 269480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// potentially-evaluated block literal. The lifetime of a block 269580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall/// literal is the extent of the enclosing scope. 26964765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 269780ee6e878a169e6255d4686a91bb696151ff229fJohn McCallpublic: 269880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// The type of objects that are kept in the cleanup. 269980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// It's useful to remember the set of blocks; we could also 270080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// remember the set of temporaries, but there's currently 270180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// no need. 270280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall typedef BlockDecl *CleanupObject; 270380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 270480ee6e878a169e6255d4686a91bb696151ff229fJohn McCallprivate: 270502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 27061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 270780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(EmptyShell, unsigned NumObjects); 270880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanups(Expr *SubExpr, ArrayRef<CleanupObject> Objects); 270902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 271080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject *getObjectsBuffer() { 271180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<CleanupObject*>(this + 1); 271280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 271380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall const CleanupObject *getObjectsBuffer() const { 271480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return reinterpret_cast<const CleanupObject*>(this + 1); 271580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall } 271680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; 2717ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 271888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 271980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, EmptyShell empty, 272080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned numObjects); 27211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall static ExprWithCleanups *Create(ASTContext &C, Expr *subexpr, 272380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> objects); 2724ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 272580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ArrayRef<CleanupObject> getObjects() const { 272680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return ArrayRef<CleanupObject>(getObjectsBuffer(), getNumObjects()); 2727f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 272880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 272980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned getNumObjects() const { return ExprWithCleanupsBits.NumObjects; } 273080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 273180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall CleanupObject getObject(unsigned i) const { 273280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall assert(i < getNumObjects() && "Index out of range"); 273380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall return getObjects()[i]; 2734d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 27351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 273602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2737f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 273880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 273980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// setSubExpr - As with any mutator of the AST, be very careful 274080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall /// when modifying an existing AST to preserve its invariants. 274188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 274202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2743aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 274496be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 274596be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 274602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 274702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 274802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 27494765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 275002bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 275102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 275202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 275363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 275402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 275502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2756d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2757d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2758d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2759d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2760d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2761fe865f1f35d1b91f42f58f08a1399b961b71b3bcJames Dennett/// CXXUnresolvedConstructExpr have the form <tt>T(a1, a2, ..., aN)</tt>, 27620982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// where \c T is some type and \c a1, \c a2, ..., \c aN are values, and 27630982205bade2fb4fc984c27b2ab401e683963b10James Dennett/// either \c T is a dependent type or one or more of the <tt>a</tt>'s is 2764d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2765d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2766d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2767d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2768d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2769d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2770d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2771d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2772d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2773d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2774d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2775d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2776d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2777d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2778d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2779ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2780ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2781d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2782d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2783d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2784d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2785d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2786d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2787d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2788d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2790ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2791d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 27923b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2793d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2794d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 27958dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2796ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 27978dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2798ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2799ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2800d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2802ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2803d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 28043b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> Args, 2805d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2806d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28078dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 28088dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 28098dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2810d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2811d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2812ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2813d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2814ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the type source information for the type being 2815ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2816ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2817ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2818d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2819d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2820d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2821d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2822d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2823d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2824d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2825d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2826d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2827d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2828d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2829d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2830d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2831d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2832d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2833d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2834d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 28361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 28371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 28381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 28401dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 28411dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28421dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2843d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2844d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2845d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2846d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2847d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 28481dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 28491dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 28501dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 28511dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28521dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 28538dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 28548dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 28558dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 28568dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 28578dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2858aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 2859ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 28601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2861d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2862d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2863d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2864d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 286563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 286663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 286763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 286863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2869d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2870d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2871ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2872ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2873ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2874aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2875aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2876aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2877aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2878865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 28791c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2880aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 28811c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2883aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2884aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2885aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2886aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 28871c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 28881c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 28893b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 28901c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2891e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Whether this member expression has info for explicit template 2892e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// keyword and arguments. 2893e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo : 1; 28941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 28961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 28971c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2898a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 28997c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc; 29001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2901c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 29021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2903c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2904c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 290546bb4f1a3ac9517406887939612eb8df4b7be006Douglas Gregor /// FIXME: This member, along with the QualifierLoc, could 2906c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2907865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2908c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 29091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 29111c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2912a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 29132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 29141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2915e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2916e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() { 2917e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 2918e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*>(this + 1); 2919e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2920e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Return the optional template keyword and arguments info. 2921e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara const ASTTemplateKWAndArgsInfo *getTemplateKWAndArgsInfo() const { 2922e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return const_cast<CXXDependentScopeMemberExpr*>(this) 2923e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ->getTemplateKWAndArgsInfo(); 2924e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 2925e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 2926865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2927aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29283b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29297c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2930e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29313b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2933d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29351c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2936865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2937bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2938bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2939bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 29407c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2941bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2942bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2944865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 29451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2946aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 29473b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 29487c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 2949e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 29503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 29512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2952d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 29531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29548dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2955e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 2956def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 29578dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2958aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2959aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2960aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 29614c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 2962aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29631c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 29641c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2965aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2966aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2967aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2968aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 29691c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2970aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2971aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 29721c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 29731c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 29741c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 29751c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 29761c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 29771c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 29781c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2979a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2980a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 2981ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie NestedNameSpecifier *getQualifier() const { 2982ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return QualifierLoc.getNestedNameSpecifier(); 29837c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor } 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29857c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 29867c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor /// name, with source location information. 29877c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } 2988ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2989ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2990c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2991c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2992c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2993c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2994c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 29961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2997c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2998c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2999c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 3000c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 30011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 3002c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 3003c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 30041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30051c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 30061c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 30072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 30082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 30092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 30102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 30112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 30122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 30132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 30141c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 30151c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 30161c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 30172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 30181c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3019e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the template keyword preceding the 3020e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// member name, if any. 3021e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getTemplateKeywordLoc() const { 3022e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3023e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->getTemplateKeywordLoc(); 3024e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3025e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3026e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the left angle bracket starting the 3027e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3028e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getLAngleLoc() const { 3029e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3030e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->LAngleLoc; 3031e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3032e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3033e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// \brief Retrieve the location of the right angle bracket ending the 3034e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// explicit template argument list following the member name, if any. 3035e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation getRAngleLoc() const { 3036e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return SourceLocation(); 3037e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return getTemplateKWAndArgsInfo()->RAngleLoc; 3038e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } 3039e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 3040e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara /// Determines whether the member name was preceded by the template keyword. 3041e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } 3042e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 30433b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 30443b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 3045e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool hasExplicitTemplateArgs() const { return getLAngleLoc().isValid(); } 30461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 304836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3049b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis ASTTemplateArgumentListInfo &getExplicitTemplateArgs() { 3050e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara assert(hasExplicitTemplateArgs()); 3051b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis return *reinterpret_cast<ASTTemplateArgumentListInfo *>(this + 1); 305236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 305336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 305436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 305536c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 3056b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &getExplicitTemplateArgs() const { 305736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 3058096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 3059096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 3060096832c5ed5b9106fa177ebc148489760c3bc496John McCall 3061096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 3062096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 3063096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 3064b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo *getOptionalExplicitTemplateArgs() { 3065096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 3066096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 306736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 306836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 3069d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 3070d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 3071d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 3072096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 3073d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 3074d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 30758dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 30768dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 3077096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 30788dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 30798dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 30803b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 30813b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 3082833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 3083096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 30843b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30863b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 30873b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 30881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 3089096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 30903b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 30911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3092aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3093aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 3094aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3095aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 3096aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 30977c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3098aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 30992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 31001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3101aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 3102aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 3103aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 31042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 3105aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 31061c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3109865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 31101c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 31111c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 31121c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 311363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 311463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 311563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 311663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 31174045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 31184045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 31194045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 31201c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 31211c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 3122129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 3123aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 3124aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3125aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 3126aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 3127aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 3128aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 3129aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 3130aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 3131aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 3132aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 3133aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 3134aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 31357bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 3136129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 3137129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 3138129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 3139129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3140129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 3141129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 3142129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 3143129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31447bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 31457bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 31467bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 31477bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 31487bb12da2b0749eeebb21854c77877736969e59f2John McCall 31497bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 31507bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 3151129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3152129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 3153129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 3154129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3155bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 3156aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3157129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31584c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3159e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31615a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31625a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3163ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3164a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 3165a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 3166a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 3167129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 31684c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor friend class ASTStmtReader; 3169ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 3171129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 3172bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 3173aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 3174129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 31754c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor NestedNameSpecifierLoc QualifierLoc, 3176e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 31772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 31785a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 31795a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 3180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3181a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 3182e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara CreateEmpty(ASTContext &C, bool HasTemplateKWAndArgsInfo, 3183def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 3184a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3185aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 3186aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 3187aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 31884c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor bool isImplicitAccess() const; 3189aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3190129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 3191129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 3192aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 3193aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 3194aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 3195aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 31962f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 31972f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 31982f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 31992f27bf854f0519810b34afd209089cc75536b757John McCall } 3200129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3201aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 3202a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 3203a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 3204a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 3205a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 3206aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3207129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 3208129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 3209129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 3210129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3211129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 3212129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 3213129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3214c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 3215c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 3216c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 32172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 32182577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 32192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 32202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3221129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 3222129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 32237bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 3224129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3225129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 3226129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 32277bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 3228129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3229aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 32302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 3231aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 3232aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 32334c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor else if (getQualifierLoc()) 32344c9be89bb615ec07eb3ed507c8fa9d0baa8a5ad7Douglas Gregor Range.setBegin(getQualifierLoc().getBeginLoc()); 3235aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 3236129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 3237129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 3238129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 3239129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3240129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3241129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 3242129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 3243129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 3244129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 3245129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 324663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 324763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 324863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 324963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3250129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 3251129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 32522e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 32532e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 32542e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 32552e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 32562e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 32572e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 32582e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 32592e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 32602e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3261c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 3262c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 32632e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 32642e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 32652e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 3266f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 3267f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 3268bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 3269561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Val == CT_Dependent || Operand->isInstantiationDependent(), 3270bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 32716b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 32726b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 32736b219d082434394c1ac401390ec1d1967727815aSebastian Redl 32746b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 32756b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 32762e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 32772e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 32792e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3280aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return Range; } 32812e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32822e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 32832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 32852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 32862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 32872e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 32882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 328963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 32902e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 32912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 3292ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents a C++0x pack expansion that produces a sequence of 3293be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 3294be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3295be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 3296be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 3297be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3298be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 3299be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 3300be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 3301be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 3302be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 3303be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 3304be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 3305be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 3306ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// pattern is \c static_cast<Types&&>(args). When the \c forward function 3307be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 3308be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 3309be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 3310be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 3311ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 331267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 331367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 331467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 331567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 331667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 331767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 3318ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3319be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 3320ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3321be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 332267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 3323ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3324be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 332567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 332667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 3327ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 3328ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern->getObjectKind(), /*TypeDependent=*/true, 3329561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ValueDependent=*/true, /*InstantiationDependent=*/true, 3330561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3331be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 333267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 3333be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 3334be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3335be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 3336ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3337be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3338be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 3339be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3340be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 3341be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 3342be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3343be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 3344be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 3345be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 3346ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3347ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine the number of expansions that will be produced when 334867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 334967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 335067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 335167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 3352ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 335367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 335467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 3355ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3356aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 335763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 335863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3359be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 3360be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 3361be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 3362be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 3363ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3364be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 336563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 336663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 336763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3368be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 3369ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnarainline ASTTemplateKWAndArgsInfo *OverloadExpr::getTemplateKWAndArgsInfo() { 3371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (!HasTemplateKWAndArgsInfo) return 0; 33727bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 3373e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3374e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedLookupExpr>(this) + 1); 33757bb12da2b0749eeebb21854c77877736969e59f2John McCall else 3376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return reinterpret_cast<ASTTemplateKWAndArgsInfo*> 3377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara (cast<UnresolvedMemberExpr>(this) + 1); 33787bb12da2b0749eeebb21854c77877736969e59f2John McCall} 33797bb12da2b0749eeebb21854c77877736969e59f2John McCall 3380ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Represents an expression that computes the length of a parameter 3381ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 3382ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 3383ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 3384ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 3385ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 3386ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 3387ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 3388ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 3389ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 3390ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 3391ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 3392ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3393ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 3394ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 3395ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3396ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 3397ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 3398ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3399ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 3400ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3401ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 3402ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 3403ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 3404ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 3405ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3406ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 3407ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 3408ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3409ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 3410ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 3411ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3412ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 3413ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 3414ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 3415ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3416ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 3417ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3418ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 3419561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3420ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3421ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3422ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 3423ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3424ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 3425ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 3426ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 3427ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 3428ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 3429ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 3430ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3431561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3432ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3433ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 3434ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 3435ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3436ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 3437ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 3438ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3439ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 3440ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 3441ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 3442ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 3443ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 3444ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3445ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 3446ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 3447ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3448ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 3449ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 3450ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3451ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 3452ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 3453ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This routine may only be invoked when the expression is not 3454c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 3455ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 3456ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!isValueDependent() && 3457ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 3458ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 3459ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3460ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3461aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 346263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 346363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3464ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3465ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 3466ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 3467ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 3468ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3469ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 347063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3471ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 3472c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 347391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// \brief Represents a reference to a non-type template parameter 347491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall/// that has been substituted with a template argument. 347591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallclass SubstNonTypeTemplateParmExpr : public Expr { 347691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replaced parameter. 347791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *Param; 347891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 347991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The replacement expression. 348091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Stmt *Replacement; 348191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 348291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall /// \brief The location of the non-type template parameter reference. 348391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation NameLoc; 348491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 34857110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 34867110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 3487ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmExpr(EmptyShell Empty) 34887110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmExprClass, Empty) { } 34897110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 349091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCallpublic: 3491ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmExpr(QualType type, 349291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall ExprValueKind valueKind, 349391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation loc, 349491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *param, 349591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *replacement) 349691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall : Expr(SubstNonTypeTemplateParmExprClass, type, valueKind, OK_Ordinary, 349791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isTypeDependent(), replacement->isValueDependent(), 349891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->isInstantiationDependent(), 349991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall replacement->containsUnexpandedParameterPack()), 350091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Param(param), Replacement(replacement), NameLoc(loc) {} 350191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall SourceLocation getNameLoc() const { return NameLoc; } 3503aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 350491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Expr *getReplacement() const { return cast<Expr>(Replacement); } 3506ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 350791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall NonTypeTemplateParmDecl *getParameter() const { return Param; } 350891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 350991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall static bool classof(const Stmt *s) { 351091a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall return s->getStmtClass() == SubstNonTypeTemplateParmExprClass; 351191a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall } 3512ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 351391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall // Iterators 351491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall child_range children() { return child_range(&Replacement, &Replacement+1); } 351591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall}; 351691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 3517c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 3518c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 3519c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 3520c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3521c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 3522fb7669ee725ec699e2b49b8359c4652536949739Douglas Gregor/// parameter lists, this node is used to represent a non-type template 3523c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3524c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3525c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3526c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3527c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 3528c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 3529c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 3530c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 3531c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 3532ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3533c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 3534c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 3535c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 3536ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3537c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3538c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 3539ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3540c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 3541c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 3542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 35437110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 3544c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 3545ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 35467110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 3547ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3548c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 3549ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstNonTypeTemplateParmPackExpr(QualType T, 3550c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 3551c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 3552c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 3553ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3554c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 3555c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 3556c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3557c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 3558c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 3559ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3560c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 3561c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 3562c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 3563c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 3564aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 3565ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3566c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 3567c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 3568c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 3569ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3570c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 357163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3572c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 357303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 35749a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \brief Represents a reference to a function parameter pack that has been 35759a4db032ecd991626d236a502e770126db32bd31Richard Smith/// substituted but not yet expanded. 35769a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 35779a4db032ecd991626d236a502e770126db32bd31Richard Smith/// When a pack expansion contains multiple parameter packs at different levels, 35789a4db032ecd991626d236a502e770126db32bd31Richard Smith/// this node is used to represent a function parameter pack at an outer level 35799a4db032ecd991626d236a502e770126db32bd31Richard Smith/// which we have already substituted to refer to expanded parameters, but where 35809a4db032ecd991626d236a502e770126db32bd31Richard Smith/// the containing pack expansion cannot yet be expanded. 35819a4db032ecd991626d236a502e770126db32bd31Richard Smith/// 35829a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \code 35839a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Ts> struct S { 35849a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template<typename...Us> auto f(Ts ...ts) -> decltype(g(Us(ts)...)); 35859a4db032ecd991626d236a502e770126db32bd31Richard Smith/// }; 35869a4db032ecd991626d236a502e770126db32bd31Richard Smith/// template struct S<int, int>; 35879a4db032ecd991626d236a502e770126db32bd31Richard Smith/// \endcode 35889a4db032ecd991626d236a502e770126db32bd31Richard Smithclass FunctionParmPackExpr : public Expr { 35899a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The function parameter pack which was referenced. 35909a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack; 35919a4db032ecd991626d236a502e770126db32bd31Richard Smith 35929a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The location of the function parameter pack reference. 35939a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc; 35949a4db032ecd991626d236a502e770126db32bd31Richard Smith 35959a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief The number of expansions of this pack. 35969a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParameters; 35979a4db032ecd991626d236a502e770126db32bd31Richard Smith 35989a4db032ecd991626d236a502e770126db32bd31Richard Smith FunctionParmPackExpr(QualType T, ParmVarDecl *ParamPack, 35999a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, unsigned NumParams, 36009a4db032ecd991626d236a502e770126db32bd31Richard Smith Decl * const *Params); 36019a4db032ecd991626d236a502e770126db32bd31Richard Smith 36029a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTReader; 36039a4db032ecd991626d236a502e770126db32bd31Richard Smith friend class ASTStmtReader; 36049a4db032ecd991626d236a502e770126db32bd31Richard Smith 36059a4db032ecd991626d236a502e770126db32bd31Richard Smithpublic: 36069a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *Create(ASTContext &Context, QualType T, 36079a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *ParamPack, 36089a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation NameLoc, 36099a4db032ecd991626d236a502e770126db32bd31Richard Smith llvm::ArrayRef<Decl*> Params); 36109a4db032ecd991626d236a502e770126db32bd31Richard Smith static FunctionParmPackExpr *CreateEmpty(ASTContext &Context, 36119a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned NumParams); 36129a4db032ecd991626d236a502e770126db32bd31Richard Smith 36139a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the parameter pack which this expression refers to. 36149a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getParameterPack() const { return ParamPack; } 36159a4db032ecd991626d236a502e770126db32bd31Richard Smith 36169a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the location of the parameter pack. 36179a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceLocation getParameterPackLocation() const { return NameLoc; } 36189a4db032ecd991626d236a502e770126db32bd31Richard Smith 36199a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Iterators over the parameters which the parameter pack expanded 36209a4db032ecd991626d236a502e770126db32bd31Richard Smith /// into. 36219a4db032ecd991626d236a502e770126db32bd31Richard Smith typedef ParmVarDecl * const *iterator; 36229a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator begin() const { return reinterpret_cast<iterator>(this+1); } 36239a4db032ecd991626d236a502e770126db32bd31Richard Smith iterator end() const { return begin() + NumParameters; } 36249a4db032ecd991626d236a502e770126db32bd31Richard Smith 36259a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get the number of parameters in this parameter pack. 36269a4db032ecd991626d236a502e770126db32bd31Richard Smith unsigned getNumExpansions() const { return NumParameters; } 36279a4db032ecd991626d236a502e770126db32bd31Richard Smith 36289a4db032ecd991626d236a502e770126db32bd31Richard Smith /// \brief Get an expansion of the parameter pack by index. 36299a4db032ecd991626d236a502e770126db32bd31Richard Smith ParmVarDecl *getExpansion(unsigned I) const { return begin()[I]; } 36309a4db032ecd991626d236a502e770126db32bd31Richard Smith 36319a4db032ecd991626d236a502e770126db32bd31Richard Smith SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; } 36329a4db032ecd991626d236a502e770126db32bd31Richard Smith 36339a4db032ecd991626d236a502e770126db32bd31Richard Smith static bool classof(const Stmt *T) { 36349a4db032ecd991626d236a502e770126db32bd31Richard Smith return T->getStmtClass() == FunctionParmPackExprClass; 36359a4db032ecd991626d236a502e770126db32bd31Richard Smith } 36369a4db032ecd991626d236a502e770126db32bd31Richard Smith 36379a4db032ecd991626d236a502e770126db32bd31Richard Smith child_range children() { return child_range(); } 36389a4db032ecd991626d236a502e770126db32bd31Richard Smith}; 36399a4db032ecd991626d236a502e770126db32bd31Richard Smith 364003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \brief Represents a prvalue temporary that written into memory so that 364103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// a reference can bind to it. 364203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 364303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Prvalue expressions are materialized when they need to have an address 364403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// in memory for a reference to bind to. This happens when binding a 364503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// reference to the result of a conversion, e.g., 364603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 364703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \code 364803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// const int &r = 1.0; 364903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// \endcode 365003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// 365103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// Here, 1.0 is implicitly converted to an \c int. That resulting \c int is 365203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// then materialized via a \c MaterializeTemporaryExpr, and the reference 365303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// binds to the temporary. \c MaterializeTemporaryExprs are always glvalues 365403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// (either an lvalue or an xvalue, depending on the kind of reference binding 365503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor/// to it), maintaining the invariant that references always bind to glvalues. 365603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorclass MaterializeTemporaryExpr : public Expr { 365703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief The temporary-generating expression whose value will be 365803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// materialized. 3659d162cf102449d817a35ae6755b102edcf9d4583bBenjamin Kramer Stmt *Temporary; 3660ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 366103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtReader; 366203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor friend class ASTStmtWriter; 3663ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 366403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorpublic: 3665ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(QualType T, Expr *Temporary, 3666b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor bool BoundToLvalueReference) 3667b4b7b5034bb8304ed03416635bf64c75c39889fcDouglas Gregor : Expr(MaterializeTemporaryExprClass, T, 366803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor BoundToLvalueReference? VK_LValue : VK_XValue, OK_Ordinary, 366903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->isTypeDependent(), Temporary->isValueDependent(), 3670561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Temporary->isInstantiationDependent(), 367103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary->containsUnexpandedParameterPack()), 367203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Temporary(Temporary) { } 3673ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3674ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie MaterializeTemporaryExpr(EmptyShell Empty) 367503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor : Expr(MaterializeTemporaryExprClass, Empty) { } 3676ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 367703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Retrieve the temporary-generating subexpression whose value will 367803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// be materialized into a glvalue. 367903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor Expr *GetTemporaryExpr() const { return reinterpret_cast<Expr *>(Temporary); } 3680ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 368103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// \brief Determine whether this materialized temporary is bound to an 368203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor /// lvalue reference; otherwise, it's bound to an rvalue reference. 3683ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isBoundToLvalueReference() const { 368403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return getValueKind() == VK_LValue; 368503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3686ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3687aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 3688aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar return Temporary->getSourceRange(); 3689aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar } 3690ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 369103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor static bool classof(const Stmt *T) { 369203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return T->getStmtClass() == MaterializeTemporaryExprClass; 369303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 3694ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 369503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Iterators 369603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor child_range children() { return child_range(&Temporary, &Temporary + 1); } 369703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor}; 3698ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 36995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 37005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3702