ExprCXX.h revision 63c00d7f35fa060c0a446c9df3a4402d9c7757fe
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 1764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl#include "clang/Basic/TypeTraits.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 19eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall#include "clang/AST/UnresolvedSet.h" 20d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall#include "clang/AST/TemplateBase.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXConstructorDecl; 25aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXDestructorDecl; 26aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXMethodDecl; 27aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass CXXTemporary; 28aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregorclass TemplateArgumentListInfo; 294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 301060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek// C++ Expressions. 321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek//===--------------------------------------------------------------------===// 331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 343fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// \brief A call to an overloaded operator written using operator 353fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax. 363fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 373fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// Represents a call to an overloaded operator written using operator 383fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntax, e.g., "x + y" or "*p". While semantically equivalent to a 393fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// normal call, this AST node provides better information about the 403fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// syntactic representation of the call. 413fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// 423fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// In a C++ template, this expression node kind will be used whenever 433fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// any of the arguments are type-dependent. In this case, the 443fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function itself will be a (possibly empty) set of functions and 453fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// function templates that were found by name lookup at template 463fd95ce225393fe4a3623e429766a8c3f487ff9dDouglas Gregor/// definition time. 47b4609806e9232593ece09ce08b630836e825865cDouglas Gregorclass CXXOperatorCallExpr : public CallExpr { 48063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /// \brief The overloaded operator. 49063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind Operator; 50063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 51b4609806e9232593ece09ce08b630836e825865cDouglas Gregorpublic: 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXOperatorCallExpr(ASTContext& C, OverloadedOperatorKind Op, Expr *fn, 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **args, unsigned numargs, QualType t, 54f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, SourceLocation operatorloc) 55cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXOperatorCallExprClass, fn, 0, args, numargs, t, VK, 56f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall operatorloc), 57063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor Operator(Op) {} 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit CXXOperatorCallExpr(ASTContext& C, EmptyShell Empty) : 59ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis CallExpr(C, CXXOperatorCallExprClass, Empty) { } 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 62b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator - Returns the kind of overloaded operator that this 63b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// expression refers to. 64063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OverloadedOperatorKind getOperator() const { return Operator; } 65ba0a9006dbc4814e1e35f82812cb5a1dad65e8b8Argyrios Kyrtzidis void setOperator(OverloadedOperatorKind Kind) { Operator = Kind; } 66b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 67b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperatorLoc - Returns the location of the operator symbol in 68b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// the expression. When @c getOperator()==OO_Call, this is the 69b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// location of the right parentheses; when @c 70b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// getOperator()==OO_Subscript, this is the location of the right 71b4609806e9232593ece09ce08b630836e825865cDouglas Gregor /// bracket. 72b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation getOperatorLoc() const { return getRParenLoc(); } 73b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 7463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXOperatorCallExprClass; 78b4609806e9232593ece09ce08b630836e825865cDouglas Gregor } 79b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static bool classof(const CXXOperatorCallExpr *) { return true; } 80b4609806e9232593ece09ce08b630836e825865cDouglas Gregor}; 81b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 8288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// CXXMemberCallExpr - Represents a call to a member function that 8388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// may be written either with member call syntax (e.g., "obj.func()" 8488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// or "objptr->func()") or with normal function-call syntax 8588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// ("func()") within a member function that ends up calling a member 8688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// function. The callee in either case is a MemberExpr that contains 8788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// both the object argument and the member function, while the 8888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// arguments are the arguments within the parentheses (not including 8988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor/// the object argument). 9088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorclass CXXMemberCallExpr : public CallExpr { 9188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregorpublic: 921817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, Expr *fn, Expr **args, unsigned numargs, 93f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation RP) 94cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne : CallExpr(C, CXXMemberCallExprClass, fn, 0, args, numargs, t, VK, RP) {} 9588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 961817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner CXXMemberCallExpr(ASTContext &C, EmptyShell Empty) 971817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner : CallExpr(C, CXXMemberCallExprClass, Empty) { } 981817bd483b538fd3f4530649f5cb900bad9e8a76Chris Lattner 9988a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// getImplicitObjectArgument - Retrieves the implicit object 10088a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// argument for the member call. For example, in "x.f(5)", this 10188a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor /// operation would return "x". 10288a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor Expr *getImplicitObjectArgument(); 10388a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 104007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// getRecordDecl - Retrieves the CXXRecordDecl for the underlying type of 105007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// the implicit object argument. Note that this is may not be the same 106007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// declaration as that of the class context of the CXXMethodDecl which this 107007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// function is calling. 108007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth /// FIXME: Returns 0 for member pointer call exprs. 109007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth CXXRecordDecl *getRecordDecl(); 110007a9b1c632bfaac20e41c60cbe07fdc6d0e647cChandler Carruth 11163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 11200b98c229ef28a5e82943bb23d09fb46d24ca381Douglas Gregor 1131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11488a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor return T->getStmtClass() == CXXMemberCallExprClass; 11588a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor } 11688a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor static bool classof(const CXXMemberCallExpr *) { return true; } 11788a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor}; 11888a3514f36de96b19cdf50141c640df1a5f13f6cDouglas Gregor 11949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXNamedCastExpr - Abstract class common to all of the C++ "named" 12049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts, @c static_cast, @c dynamic_cast, @c reinterpret_cast, or @c 12149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// const_cast. 12249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 12349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This abstract class is inherited by all of the classes 12449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representing "named" casts, e.g., CXXStaticCastExpr, 12549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr, CXXReinterpretCastExpr, and CXXConstCastExpr. 12649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXNamedCastExpr : public ExplicitCastExpr { 1271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekprivate: 1281060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; // the location of the casting op 1291d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc; // the location of the right parenthesis 1301d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 13149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 132f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXNamedCastExpr(StmtClass SC, QualType ty, ExprValueKind VK, 133f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CastKind kind, Expr *op, unsigned PathSize, 1341d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 1351d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 1361d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor : ExplicitCastExpr(SC, ty, VK, kind, op, PathSize, writtenTy), Loc(l), 1371d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor RParenLoc(RParenLoc) {} 13849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 139f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXNamedCastExpr(StmtClass SC, EmptyShell Shell, unsigned PathSize) 140f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(SC, Shell, PathSize) { } 141ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1421d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor friend class ASTStmtReader; 1431d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 1441060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 14549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor const char *getCastName() const; 14649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 147a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// \brief Retrieve the location of the cast operator keyword, e.g., 148a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor /// "static_cast". 149a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor SourceLocation getOperatorLoc() const { return Loc; } 150a3a7b8eea87c90a5a257f685749222b212ddaf36Douglas Gregor 1511d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor /// \brief Retrieve the location of the closing parenthesis. 1521d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1531d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 15463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1551d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor return SourceRange(Loc, RParenLoc); 1561060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 15849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor switch (T->getStmtClass()) { 15949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXStaticCastExprClass: 16049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXDynamicCastExprClass: 16149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXReinterpretCastExprClass: 16249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor case CXXConstCastExprClass: 16349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 16449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor default: 16549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return false; 16649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 1671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 16849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXNamedCastExpr *) { return true; } 16949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 17049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 17149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXStaticCastExpr - A C++ @c static_cast expression (C++ [expr.static.cast]). 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 17349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a C++ static cast, e.g., 17449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c static_cast<int>(1.0). 17549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXStaticCastExpr : public CXXNamedCastExpr { 176f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXStaticCastExpr(QualType ty, ExprValueKind vk, CastKind kind, Expr *op, 177f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize, TypeSourceInfo *writtenTy, 1781d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 179f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, ty, vk, kind, op, pathSize, 1801d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 18149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 182f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXStaticCastExpr(EmptyShell Empty, unsigned PathSize) 183f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXStaticCastExprClass, Empty, PathSize) { } 184f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 185f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 186f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *Create(ASTContext &Context, QualType T, 187f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 188f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 1891d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *Written, SourceLocation L, 1901d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 191f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXStaticCastExpr *CreateEmpty(ASTContext &Context, 192f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 193ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 1941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 19549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXStaticCastExprClass; 19649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 19749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXStaticCastExpr *) { return true; } 19849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 19949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 20049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXDynamicCastExpr - A C++ @c dynamic_cast expression 2011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (C++ [expr.dynamic.cast]), which may perform a run-time check to 20249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// determine how to perform the type cast. 2031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a dynamic cast, e.g., 20549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c dynamic_cast<Derived*>(BasePtr). 20649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXDynamicCastExpr : public CXXNamedCastExpr { 207f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXDynamicCastExpr(QualType ty, ExprValueKind VK, CastKind kind, 208f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, TypeSourceInfo *writtenTy, 2091d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation l, SourceLocation RParenLoc) 210f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, ty, VK, kind, op, pathSize, 2111d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor writtenTy, l, RParenLoc) {} 21249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 213f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXDynamicCastExpr(EmptyShell Empty, unsigned pathSize) 214f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXDynamicCastExprClass, Empty, pathSize) { } 215f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 216f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 217f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *Create(ASTContext &Context, QualType T, 218f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, Expr *Op, 219f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 2201d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *Written, SourceLocation L, 2211d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 222f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 223f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXDynamicCastExpr *CreateEmpty(ASTContext &Context, 224f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 225ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 22749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXDynamicCastExprClass; 22849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 22949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXDynamicCastExpr *) { return true; } 23049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 23149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 23249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXReinterpretCastExpr - A C++ @c reinterpret_cast expression (C++ 23349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// [expr.reinterpret.cast]), which provides a differently-typed view 23449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// of a value but performs no actual work at run time. 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 23649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a reinterpret cast, e.g., 23749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c reinterpret_cast<int>(VoidPtr). 23849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXReinterpretCastExpr : public CXXNamedCastExpr { 239f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXReinterpretCastExpr(QualType ty, ExprValueKind vk, CastKind kind, 240f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *op, unsigned pathSize, 2411d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 2421d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 243f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, ty, vk, kind, op, 2441d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor pathSize, writtenTy, l, RParenLoc) {} 24549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 246f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CXXReinterpretCastExpr(EmptyShell Empty, unsigned pathSize) 247f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXReinterpretCastExprClass, Empty, pathSize) { } 248f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 249f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 250f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *Create(ASTContext &Context, QualType T, 251f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind Kind, 252f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Op, const CXXCastPath *Path, 2531d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 2541d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 255f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXReinterpretCastExpr *CreateEmpty(ASTContext &Context, 256f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned pathSize); 257ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 25949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXReinterpretCastExprClass; 26049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 26149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXReinterpretCastExpr *) { return true; } 26249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 26349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 26449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXConstCastExpr - A C++ @c const_cast expression (C++ [expr.const.cast]), 26549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// which can remove type qualifiers but does not change the underlying value. 2661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 26749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This expression node represents a const cast, e.g., 26849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// @c const_cast<char*>(PtrToConstChar). 26949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXConstCastExpr : public CXXNamedCastExpr { 270f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXConstCastExpr(QualType ty, ExprValueKind VK, Expr *op, 2711d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *writtenTy, SourceLocation l, 2721d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc) 273f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, ty, VK, CK_NoOp, op, 2741d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor 0, writtenTy, l, RParenLoc) {} 27549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 276ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig explicit CXXConstCastExpr(EmptyShell Empty) 277f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : CXXNamedCastExpr(CXXConstCastExprClass, Empty, 0) { } 278f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 279f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 280f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall static CXXConstCastExpr *Create(ASTContext &Context, QualType T, 281f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, Expr *Op, 2821d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor TypeSourceInfo *WrittenTy, SourceLocation L, 2831d5d0b9df6d2a3df338bc3e63000536406e7666cDouglas Gregor SourceLocation RParenLoc); 284f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXConstCastExpr *CreateEmpty(ASTContext &Context); 285ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 28749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return T->getStmtClass() == CXXConstCastExprClass; 28849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 28949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const CXXConstCastExpr *) { return true; } 2901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 2911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 2921060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXBoolLiteralExpr - [C++ 2.13.5] C++ Boolean Literal. 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 2941060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXBoolLiteralExpr : public Expr { 2951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool Value; 2961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation Loc; 2971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXBoolLiteralExpr(bool val, QualType Ty, SourceLocation l) : 299bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXBoolLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 300bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 301f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Value(val), Loc(l) {} 3028b0b475b3464b0f70b91ba7d679d23c424677d5eSebastian Redl 303eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXBoolLiteralExpr(EmptyShell Empty) 304eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXBoolLiteralExprClass, Empty) { } 305eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek bool getValue() const { return Value; } 307eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setValue(bool V) { Value = V; } 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 312eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 313eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXBoolLiteralExprClass; 3161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 3171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXBoolLiteralExpr *) { return true; } 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3191060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 32063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3211060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 3221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 3236e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl/// CXXNullPtrLiteralExpr - [C++0x 2.14.7] C++ Pointer Literal 3246e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlclass CXXNullPtrLiteralExpr : public Expr { 3256e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl SourceLocation Loc; 3266e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redlpublic: 3276e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) : 328bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 329bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false), 330f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Loc(l) {} 3316e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 332eb7f96141f754150a92433286fa385910a22f494Sam Weinig explicit CXXNullPtrLiteralExpr(EmptyShell Empty) 333eb7f96141f754150a92433286fa385910a22f494Sam Weinig : Expr(CXXNullPtrLiteralExprClass, Empty) { } 334eb7f96141f754150a92433286fa385910a22f494Sam Weinig 33563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 3366e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 337eb7f96141f754150a92433286fa385910a22f494Sam Weinig SourceLocation getLocation() const { return Loc; } 338eb7f96141f754150a92433286fa385910a22f494Sam Weinig void setLocation(SourceLocation L) { Loc = L; } 339eb7f96141f754150a92433286fa385910a22f494Sam Weinig 3406e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const Stmt *T) { 3416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl return T->getStmtClass() == CXXNullPtrLiteralExprClass; 3426e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl } 3436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl static bool classof(const CXXNullPtrLiteralExpr *) { return true; } 3446e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 34563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 3466e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl}; 3476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 348c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// CXXTypeidExpr - A C++ @c typeid expression (C++ [expr.typeid]), which gets 349c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// the type_info that corresponds to the supplied type, or the (possibly 350c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// dynamic) type of the supplied expression. 351c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 352c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// This represents code like @c typeid(int) or @c typeid(*objPtr) 353c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlclass CXXTypeidExpr : public Expr { 354c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlprivate: 35557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 356c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceRange Range; 357c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 358c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redlpublic: 35957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 360f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 36157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is never type-dependent (C++ [temp.dep.expr]p4) 36257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor false, 36357fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor // typeid is value-dependent if the type or expression are dependent 364bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->isDependentType(), 365bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 36657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 36757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 36857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor CXXTypeidExpr(QualType Ty, Expr *Operand, SourceRange R) 369f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXTypeidExprClass, Ty, VK_LValue, OK_Ordinary, 3702850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is never type-dependent (C++ [temp.dep.expr]p4) 371bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, 3722850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // typeid is value-dependent if the type or expression are dependent 373bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->isTypeDependent() || Operand->isValueDependent(), 374bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 37557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor Operand(Operand), Range(R) { } 376c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 37714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner CXXTypeidExpr(EmptyShell Empty, bool isExpr) 37814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner : Expr(CXXTypeidExprClass, Empty) { 37914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner if (isExpr) 38014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (Expr*)0; 38114ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner else 38214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = (TypeSourceInfo*)0; 38314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 38414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 38557fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 38657fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 38757fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieves the type operand of this typeid() expression after 38857fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// various required adjustments (removing reference types, cv-qualifiers). 38957fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor QualType getTypeOperand() const; 39057fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 39157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor /// \brief Retrieve source information for the type operand. 39257fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor TypeSourceInfo *getTypeOperandSourceInfo() const { 393c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 39457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return Operand.get<TypeSourceInfo *>(); 395c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 39614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 39714ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 39814ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)"); 39914ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Operand = TSI; 40014ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner } 40157fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor 40214ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner Expr *getExprOperand() const { 403c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 40457fdc8a4382164955c7b30d09f4ce46fc7e67659Douglas Gregor return static_cast<Expr*>(Operand.get<Stmt *>()); 405c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 40614ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 407030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner void setExprOperand(Expr *E) { 408030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)"); 409030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner Operand = E; 410030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner } 411030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 41314ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner void setSourceRange(SourceRange R) { Range = R; } 41414ab24f01e36d495fce183aa67b41e45cdd54f39Chris Lattner 415c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const Stmt *T) { 416c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl return T->getStmtClass() == CXXTypeidExprClass; 417c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 418c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl static bool classof(const CXXTypeidExpr *) { return true; } 419c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 420c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Iterators 42163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 42263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 426c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl}; 427c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 42801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// CXXUuidofExpr - A microsoft C++ @c __uuidof expression, which gets 42901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// the _GUID that corresponds to the supplied type or expression. 43001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 43101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr) 43201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetclass CXXUuidofExpr : public Expr { 43301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetprivate: 43401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand; 43501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceRange Range; 43601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 43701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichetpublic: 43801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, TypeSourceInfo *Operand, SourceRange R) 4392e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 440bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->getType()->isDependentType(), 441bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->getType()->containsUnexpandedParameterPack()), 44201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 44301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 44401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(QualType Ty, Expr *Operand, SourceRange R) 4452e219b8d253dbb901206b14e5643cc9d0edd662bFrancois Pichet : Expr(CXXUuidofExprClass, Ty, VK_LValue, OK_Ordinary, 446bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, Operand->isTypeDependent(), 447bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 44801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand(Operand), Range(R) { } 44901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 45001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet CXXUuidofExpr(EmptyShell Empty, bool isExpr) 45101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet : Expr(CXXUuidofExprClass, Empty) { 45201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isExpr) 45301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (Expr*)0; 45401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else 45501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = (TypeSourceInfo*)0; 45601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 45701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 45801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); } 45901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 46001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieves the type operand of this __uuidof() expression after 46101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// various required adjustments (removing reference types, cv-qualifiers). 46201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet QualType getTypeOperand() const; 46301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 46401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet /// \brief Retrieve source information for the type operand. 46501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeSourceInfo *getTypeOperandSourceInfo() const { 46601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 46701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return Operand.get<TypeSourceInfo *>(); 46801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 46901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 47001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setTypeOperandSourceInfo(TypeSourceInfo *TSI) { 47101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)"); 47201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = TSI; 47301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 47401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 47501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Expr *getExprOperand() const { 47601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 47701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return static_cast<Expr*>(Operand.get<Stmt *>()); 47801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 47901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setExprOperand(Expr *E) { 48101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)"); 48201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Operand = E; 48301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 48401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 48601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet void setSourceRange(SourceRange R) { Range = R; } 48701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 48801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const Stmt *T) { 48901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return T->getStmtClass() == CXXUuidofExprClass; 49001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 49101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet static bool classof(const CXXUuidofExpr *) { return true; } 49201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 49301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Iterators 49463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 49563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isTypeOperand()) return child_range(); 49663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(&Operand); 49763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + 1); 49863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 49901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet}; 50001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 501796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// CXXThisExpr - Represents the "this" expression in C++, which is a 502796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// pointer to the object on which the current member function is 503796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// executing (C++ [expr.prim]p3). Example: 504796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// 505796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @code 506796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// class Foo { 507796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// public: 508796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void bar(); 509796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// void test() { this->bar(); } 510796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// }; 511796da18402f286b897782a298ae3b20c459c102eDouglas Gregor/// @endcode 512796da18402f286b897782a298ae3b20c459c102eDouglas Gregorclass CXXThisExpr : public Expr { 513796da18402f286b897782a298ae3b20c459c102eDouglas Gregor SourceLocation Loc; 514828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool Implicit : 1; 515828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 516796da18402f286b897782a298ae3b20c459c102eDouglas Gregorpublic: 517828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor CXXThisExpr(SourceLocation L, QualType Type, bool isImplicit) 518f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXThisExprClass, Type, VK_RValue, OK_Ordinary, 5192850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // 'this' is type-dependent if the class type of the enclosing 5202850784bda09416fc7e9d57f5baa36c9351c757cSebastian Redl // member function is dependent (C++ [temp.dep.expr]p2) 521bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 522bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 523828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor Loc(L), Implicit(isImplicit) { } 524796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5252fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThisExpr(EmptyShell Empty) : Expr(CXXThisExprClass, Empty) {} 5262fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5272fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner SourceLocation getLocation() const { return Loc; } 5282fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner void setLocation(SourceLocation L) { Loc = L; } 5292fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 53063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc); } 531796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 532828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor bool isImplicit() const { return Implicit; } 533828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor void setImplicit(bool I) { Implicit = I; } 534828a197317288e3333b0ce6f5cedadd036e3531fDouglas Gregor 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 536796da18402f286b897782a298ae3b20c459c102eDouglas Gregor return T->getStmtClass() == CXXThisExprClass; 537796da18402f286b897782a298ae3b20c459c102eDouglas Gregor } 538796da18402f286b897782a298ae3b20c459c102eDouglas Gregor static bool classof(const CXXThisExpr *) { return true; } 539796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 540796da18402f286b897782a298ae3b20c459c102eDouglas Gregor // Iterators 54163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 542796da18402f286b897782a298ae3b20c459c102eDouglas Gregor}; 543796da18402f286b897782a298ae3b20c459c102eDouglas Gregor 5441060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXThrowExpr - [C++ 15] C++ Throw Expression. This handles 5451060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 'throw' and 'throw' assignment-expression. When 5461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// assignment-expression isn't present, Op will be null. 5471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// 5481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXThrowExpr : public Expr { 5491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Op; 5501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek SourceLocation ThrowLoc; 5511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 5521060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Ty is the void type which is used as the result type of the 5531060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // exepression. The l is the location of the throw keyword. expr 5541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // can by null, if the optional expression to throw isn't present. 5551060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek CXXThrowExpr(Expr *expr, QualType Ty, SourceLocation l) : 556bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr(CXXThrowExprClass, Ty, VK_RValue, OK_Ordinary, false, false, 557bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor expr && expr->containsUnexpandedParameterPack()), 558f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Op(expr), ThrowLoc(l) {} 5592fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner CXXThrowExpr(EmptyShell Empty) : Expr(CXXThrowExprClass, Empty) {} 5602fbdfcdf3bbf7b941853d38b123930755e837437Chris Lattner 5611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getSubExpr() const { return cast_or_null<Expr>(Op); } 5621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getSubExpr() { return cast_or_null<Expr>(Op); } 56342e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setSubExpr(Expr *E) { Op = E; } 56442e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor 56542e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor SourceLocation getThrowLoc() const { return ThrowLoc; } 56642e5b50f4dc897f252e0d476063a7f9846d96624Douglas Gregor void setThrowLoc(SourceLocation L) { ThrowLoc = L; } 5671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 56863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5691060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek if (getSubExpr() == 0) 5701060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, ThrowLoc); 5711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd()); 5721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 5731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 5741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 5751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXThrowExprClass; 5761060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 5771060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXThrowExpr *) { return true; } 5781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 5791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 58063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 58163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Op, Op ? &Op+1 : &Op); 58263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 5841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 5851060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// CXXDefaultArgExpr - C++ [dcl.fct.default]. This wraps up a 5861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// function call argument that was created from the corresponding 5871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// parameter's default argument, when the call did not explicitly 5881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek/// supply arguments for all of the parameters. 5891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekclass CXXDefaultArgExpr : public Expr { 59065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// \brief The parameter whose default is being used. 59165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// 59265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// When the bit is set, the subexpression is stored after the 59365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// CXXDefaultArgExpr itself. When the bit is clear, the parameter's 59465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor /// actual default expression is the subexpression. 59565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor llvm::PointerIntPair<ParmVarDecl *, 1, bool> Param; 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 597036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief The location where the default argument expression was used. 598036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc; 599036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 600036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param) 60165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor : Expr(SC, 60265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor param->hasUnparsedDefaultArg() 60365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ? param->getType().getNonReferenceType() 6042333f7727f97018d6742e1e0938133bcfad967abEli Friedman : param->getDefaultArg()->getType(), 605dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall param->getDefaultArg()->getValueKind(), 606bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor param->getDefaultArg()->getObjectKind(), false, false, false), 607036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Param(param, false), Loc(Loc) { } 60865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 609036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor CXXDefaultArgExpr(StmtClass SC, SourceLocation Loc, ParmVarDecl *param, 610036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor Expr *SubExpr) 611dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall : Expr(SC, SubExpr->getType(), 612dfa1edbebeda7ec3a7a9c45e4317de9241aa9883John McCall SubExpr->getValueKind(), SubExpr->getObjectKind(), 613bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 614bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Param(param, true), Loc(Loc) { 61565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor *reinterpret_cast<Expr **>(this + 1) = SubExpr; 61665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 61765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6181060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenekpublic: 619030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner CXXDefaultArgExpr(EmptyShell Empty) : Expr(CXXDefaultArgExprClass, Empty) {} 620030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 621030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Param is the parameter whose default argument is used by this 6231060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // expression. 624036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, SourceLocation Loc, 625036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param) { 626036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor return new (C) CXXDefaultArgExpr(CXXDefaultArgExprClass, Loc, Param); 627f1480eee38b59d15438fb7bc50865ac7c7e22403Anders Carlsson } 6281060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 62965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // Param is the parameter whose default argument is used by this 63065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor // expression, and SubExpr is the expression that will actually be used. 631036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor static CXXDefaultArgExpr *Create(ASTContext &C, 632036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation Loc, 633036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor ParmVarDecl *Param, 63465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *SubExpr); 63565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor 6361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the parameter that the argument was created from. 63765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const ParmVarDecl *getParam() const { return Param.getPointer(); } 63865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor ParmVarDecl *getParam() { return Param.getPointer(); } 639030854b95f7bfd86aaa8afd9ae1aff9768a37e9aChris Lattner 6401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Retrieve the actual argument to the function call. 64165222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor const Expr *getExpr() const { 64265222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 64365222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr const * const*> (this + 1); 64465222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 64565222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 64665222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor Expr *getExpr() { 64765222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor if (Param.getInt()) 64865222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return *reinterpret_cast<Expr **> (this + 1); 64965222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor return getParam()->getDefaultArg(); 65065222e82d97af2120b3952d19cbd3cd923f4b43eDouglas Gregor } 6511060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 652036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// \brief Retrieve the location where this default argument was actually 653036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor /// used. 654036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor SourceLocation getUsedLocation() const { return Loc; } 655036aed18662e0193aafe0e8ae13d2e57efe6df25Douglas Gregor 65663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6571060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Default argument expressions have no representation in the 6581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // source, so they have an empty source range. 6591060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return SourceRange(); 6601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const Stmt *T) { 6631060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek return T->getStmtClass() == CXXDefaultArgExprClass; 6641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek } 6651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek static bool classof(const CXXDefaultArgExpr *) { return true; } 6661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek 6671060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek // Iterators 66863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 6698a50733034edd6a349b34e2b9f0c8d0a874846d3Argyrios Kyrtzidis 67060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 6713397c5570369f19b2d6c52e898f708d75ceede1fSebastian Redl friend class ASTStmtWriter; 6721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek}; 673987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 674c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson/// CXXTemporary - Represents a C++ temporary. 675c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonclass CXXTemporary { 676c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson /// Destructor - The destructor that needs to be called. 677b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor; 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 679b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson CXXTemporary(const CXXDestructorDecl *destructor) 680c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson : Destructor(destructor) { } 681c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson 682c1ce477119fed070299668aab24084b17ff5f14bAnders Carlssonpublic: 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXTemporary *Create(ASTContext &C, 684b859f35459ae3e1188d1e1b86df08d649695fd86Anders Carlsson const CXXDestructorDecl *Destructor); 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 686f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXDestructorDecl *getDestructor() const { return Destructor; } 687c1ce477119fed070299668aab24084b17ff5f14bAnders Carlsson}; 688fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 689ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \brief Represents binding an expression to a temporary. 690ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 691ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// This ensures the destructor is called for the temporary. It should only be 692ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// needed for non-POD, non-trivially destructable class types. For example: 693ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// 694ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \code 695ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// struct S { 696ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// S() { } // User defined constructor makes S non-POD. 697ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// ~S() { } // User defined destructor makes it non-trivial. 698ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// }; 699ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// void test() { 700ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. 701ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// } 702ddfe960d252a93525692b547945236d361d1929fChandler Carruth/// \endcode 703fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonclass CXXBindTemporaryExpr : public Expr { 704fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson CXXTemporary *Temp; 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 706fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Stmt *SubExpr; 707fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 708bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor CXXBindTemporaryExpr(CXXTemporary *temp, Expr* SubExpr) 709bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXBindTemporaryExprClass, SubExpr->getType(), 710bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor VK_RValue, OK_Ordinary, SubExpr->isTypeDependent(), 711bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->isValueDependent(), 712bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExpr->containsUnexpandedParameterPack()), 713bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Temp(temp), SubExpr(SubExpr) { } 71488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson 715fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlssonpublic: 716d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner CXXBindTemporaryExpr(EmptyShell Empty) 717d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner : Expr(CXXBindTemporaryExprClass, Empty), Temp(0), SubExpr(0) {} 718d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXBindTemporaryExpr *Create(ASTContext &C, CXXTemporary *Temp, 720fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr* SubExpr); 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72288eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary() { return Temp; } 723f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary() const { return Temp; } 724d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(CXXTemporary *T) { Temp = T; } 725f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson 726fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 727fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 72888eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 729fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 73063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 73196be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 73296be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 733fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 734fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Implement isa/cast/dyncast/etc. 735fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const Stmt *T) { 736fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson return T->getStmtClass() == CXXBindTemporaryExprClass; 737fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson } 738fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson static bool classof(const CXXBindTemporaryExpr *) { return true; } 739fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 740fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson // Iterators 74163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 742fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson}; 743fceb0a8adba9d25db99a4d73e9655c2831a96ecdAnders Carlsson 74415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson/// CXXConstructExpr - Represents a call to a C++ constructor. 74515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonclass CXXConstructExpr : public Expr { 74672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonpublic: 74772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson enum ConstructionKind { 74872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_Complete, 74972e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_NonVirtualBase, 75072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson CK_VirtualBase 75172e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson }; 75272e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson 75372e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlssonprivate: 75415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson CXXConstructorDecl *Constructor; 75515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 75699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc; 757428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange; 75816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool Elidable : 1; 75916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool ZeroInitialization : 1; 76072e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson unsigned ConstructKind : 2; 76115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson Stmt **Args; 76215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned NumArgs; 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 764bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlssonprotected: 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T, 76699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 767bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson CXXConstructorDecl *d, bool elidable, 76816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **args, unsigned numargs, 7699db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 770428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 771428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 772bd6734e5f6432ce0cc07171c490ffaa094796198Anders Carlsson 7736d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 7746d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis CXXConstructExpr(StmtClass SC, EmptyShell Empty) 7756d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(SC, Empty), Constructor(0), Elidable(0), ZeroInitialization(0), 7766d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 7776d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 77815ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlssonpublic: 7796d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis /// \brief Construct an empty C++ construction expression. 7806d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXConstructExpr(EmptyShell Empty) 7816d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis : Expr(CXXConstructExprClass, Empty), Constructor(0), 7826d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis Elidable(0), ZeroInitialization(0), 7836d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis ConstructKind(0), Args(0), NumArgs(0) { } 7846d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 7858e587a15da6d3457a418239d5eb4146fcbd209f3Anders Carlsson static CXXConstructExpr *Create(ASTContext &C, QualType T, 78699a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation Loc, 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXConstructorDecl *D, bool Elidable, 78816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor Expr **Args, unsigned NumArgs, 7899db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool ZeroInitialization = false, 790428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth ConstructionKind ConstructKind = CK_Complete, 791428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange ParenRange = SourceRange()); 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 794d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor CXXConstructorDecl* getConstructor() const { return Constructor; } 79539da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setConstructor(CXXConstructorDecl *C) { Constructor = C; } 79639da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 79799a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor SourceLocation getLocation() const { return Loc; } 79899a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor void setLocation(SourceLocation Loc) { this->Loc = Loc; } 79999a2e600f9e2e51d3ce10fb6f27191677ac65b2aDouglas Gregor 800d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor /// \brief Whether this construction is elidable. 801d94546a0a1deef7286c13e49b9584621ae81cc9aDouglas Gregor bool isElidable() const { return Elidable; } 80239da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor void setElidable(bool E) { Elidable = E; } 80339da0b8145eaec7da7004f9b3645c5c9f4f63b1dDouglas Gregor 80416006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// \brief Whether this construction first requires 80516006c901315fa12a108b4e571f187f4b676e426Douglas Gregor /// zero-initialization before the initializer is called. 80616006c901315fa12a108b4e571f187f4b676e426Douglas Gregor bool requiresZeroInitialization() const { return ZeroInitialization; } 80716006c901315fa12a108b4e571f187f4b676e426Douglas Gregor void setRequiresZeroInitialization(bool ZeroInit) { 80816006c901315fa12a108b4e571f187f4b676e426Douglas Gregor ZeroInitialization = ZeroInit; 80916006c901315fa12a108b4e571f187f4b676e426Douglas Gregor } 81016006c901315fa12a108b4e571f187f4b676e426Douglas Gregor 8119db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// \brief Determines whether this constructor is actually constructing 8129db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor /// a base class (rather than a complete object). 81324eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson ConstructionKind getConstructionKind() const { 81424eb78e38aba55c507bc3c05c37035a9ab2defa7Anders Carlsson return (ConstructionKind)ConstructKind; 81572e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 81672e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson void setConstructionKind(ConstructionKind CK) { 81772e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson ConstructKind = CK; 81872e96fd181b19b8d01144a685cda6e955584c7eaAnders Carlsson } 8199db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 82015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ExprIterator arg_iterator; 82115ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson typedef ConstExprIterator const_arg_iterator; 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 82315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_begin() { return Args; } 82415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson arg_iterator arg_end() { return Args + NumArgs; } 82515ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_begin() const { return Args; } 82615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson const_arg_iterator arg_end() const { return Args + NumArgs; } 82715ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 828a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor Expr **getArgs() const { return reinterpret_cast<Expr **>(Args); } 82915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson unsigned getNumArgs() const { return NumArgs; } 83015ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 831bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson /// getArg - Return the specified argument. 832bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson Expr *getArg(unsigned Arg) { 833bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 834bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 835bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 836bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson const Expr *getArg(unsigned Arg) const { 837bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson assert(Arg < NumArgs && "Arg access out of range!"); 838bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson return cast<Expr>(Args[Arg]); 839bcb11d01c034f967503bd98f28bdf458c1ab8001Anders Carlsson } 8401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8412eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian /// setArg - Set the specified argument. 8422eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian void setArg(unsigned Arg, Expr *ArgExpr) { 8432eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian assert(Arg < NumArgs && "Arg access out of range!"); 8442eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian Args[Arg] = ArgExpr; 8452eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian } 8462eeed7bc4fd457ac57ff32ab3b02674588545f65Fariborz Jahanian 84763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 848428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange getParenRange() const { return ParenRange; } 84915ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 8501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 851524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson return T->getStmtClass() == CXXConstructExprClass || 852524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlsson T->getStmtClass() == CXXTemporaryObjectExprClass; 85315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson } 85415ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson static bool classof(const CXXConstructExpr *) { return true; } 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85615ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson // Iterators 85763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 85863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Args[0], &Args[0]+NumArgs); 85963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 8606d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 86160adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 86215ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson}; 86315ef2b5820f9daccc44b9e847163b705b6f5863bAnders Carlsson 86449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CXXFunctionalCastExpr - Represents an explicit C++ type conversion 86549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// that uses "functional" notion (C++ [expr.type.conv]). Example: @c 86649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// x = int(0.5); 86749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorclass CXXFunctionalCastExpr : public ExplicitCastExpr { 868987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation TyBeginLoc; 869987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 870f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 871f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall CXXFunctionalCastExpr(QualType ty, ExprValueKind VK, 872f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall TypeSourceInfo *writtenTy, 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation tyBeginLoc, CastKind kind, 874f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall Expr *castExpr, unsigned pathSize, 87541b2dcd465f1e438502c420effc9d0c747f9db8fAnders Carlsson SourceLocation rParenLoc) 876f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, ty, VK, kind, 877f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr, pathSize, writtenTy), 8780aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {} 8790aebc81e02397a5987aaa8e8c7acbdb01a31d7c3Anders Carlsson 880f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall explicit CXXFunctionalCastExpr(EmptyShell Shell, unsigned PathSize) 881f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall : ExplicitCastExpr(CXXFunctionalCastExprClass, Shell, PathSize) { } 882f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 883f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallpublic: 884f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *Create(ASTContext &Context, QualType T, 885f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 886f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *Written, 887f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation TyBeginLoc, 888f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Op, 889f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *Path, 890f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation RPLoc); 891f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall static CXXFunctionalCastExpr *CreateEmpty(ASTContext &Context, 892f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize); 893ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig 894987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getTypeBeginLoc() const { return TyBeginLoc; } 895ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setTypeBeginLoc(SourceLocation L) { TyBeginLoc = L; } 896987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation getRParenLoc() const { return RParenLoc; } 897ce757a7a1ee905f87551996a69da3e95e8afeeb7Sam Weinig void setRParenLoc(SourceLocation L) { RParenLoc = L; } 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 900987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return SourceRange(TyBeginLoc, RParenLoc); 901987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 9021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CXXFunctionalCastExprClass; 904987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 905987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis static bool classof(const CXXFunctionalCastExpr *) { return true; } 906987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 907987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 908506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @brief Represents a C++ functional cast expression that builds a 909506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// temporary object. 910506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// This expression type represents a C++ "functional" cast 912506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// (C++[expr.type.conv]) with N != 1 arguments that invokes a 913ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// constructor to build a temporary object. With N == 1 arguments the 914ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// functional cast expression will be represented by CXXFunctionalCastExpr. 915506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Example: 916506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @code 917506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// struct X { X(int, float); } 918506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// 919506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// X create_X() { 920506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// return X(1, 3.14f); // creates a CXXTemporaryObjectExpr 921506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// }; 922506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// @endcode 923524fa13fd81e88533c7a1d4b1232c0de2c97dc7cAnders Carlssonclass CXXTemporaryObjectExpr : public CXXConstructExpr { 924ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 925506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 926506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregorpublic: 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CXXTemporaryObjectExpr(ASTContext &C, CXXConstructorDecl *Cons, 928ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr **Args,unsigned NumArgs, 930428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceRange parenRange, 9311c63b9c15d48cb8c833a4b2d6fd6c496c0766e88Douglas Gregor bool ZeroInitialization = false); 9326d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit CXXTemporaryObjectExpr(EmptyShell Empty) 933ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty), Type() { } 934506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 935ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 936ba49817c5b9f502602672861cf369fd0e53966e8Douglas Gregor 93763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 938ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 940506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor return T->getStmtClass() == CXXTemporaryObjectExprClass; 941506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor } 942506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor static bool classof(const CXXTemporaryObjectExpr *) { return true; } 9436d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 94460adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 945506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor}; 946506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor 947ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// CXXScalarValueInitExpr - [C++ 5.2.3p2] 948506ae418eb171d072f2fb4f6bc46d258b52cbf97Douglas Gregor/// Expression "T()" which creates a value-initialized rvalue of type 949ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor/// T, which is a non-class type. 950987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 951ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregorclass CXXScalarValueInitExpr : public Expr { 952987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc; 953ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo; 954987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 955ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 956ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 957987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidispublic: 958ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Create an explicitly-written scalar-value initialization 959ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// expression. 960ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXScalarValueInitExpr(QualType Type, 961ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *TypeInfo, 962ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation rParenLoc ) : 963f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr(CXXScalarValueInitExprClass, Type, VK_RValue, OK_Ordinary, 964bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, false, false), 965ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor RParenLoc(rParenLoc), TypeInfo(TypeInfo) {} 966ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 967ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor explicit CXXScalarValueInitExpr(EmptyShell Shell) 968ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor : Expr(CXXScalarValueInitExprClass, Shell) { } 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 970ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 971ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return TypeInfo; 9724c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 973ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 974ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9754c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 97663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 979ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor return T->getStmtClass() == CXXScalarValueInitExprClass; 980987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 981ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor static bool classof(const CXXScalarValueInitExpr *) { return true; } 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 983987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Iterators 98463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 985987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis}; 986987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 9874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXNewExpr - A new expression for memory allocation and constructor calls, 9884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// e.g: "new CXXNewExpr(foo)". 9894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXNewExpr : public Expr { 9904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Was the usage ::new, i.e. is the global new to be used? 9914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalNew : 1; 9924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is there an initializer? If not, built-ins are uninitialized, else they're 9934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // value-initialized. 9944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool Initializer : 1; 995cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Do we allocate an array? If so, the first SubExpr is the size expression. 996cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool Array : 1; 9976ec278d1a354517e20f13a877481453ee7940c78John McCall // If this is an array allocation, does the usual deallocation 9986ec278d1a354517e20f13a877481453ee7940c78John McCall // function for the allocated type want to know the allocated size? 9996ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 10004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of placement new arguments. 10016ec278d1a354517e20f13a877481453ee7940c78John McCall unsigned NumPlacementArgs : 14; 10024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The number of constructor arguments. This may be 1 even for non-class 10034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // types; use the pseudo copy constructor. 1004cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl unsigned NumConstructorArgs : 14; 1005cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // Contains an optional array size expression, any number of optional 1006cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // placement arguments, and any number of optional constructor arguments, 1007cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // in that order. 10084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt **SubExprs; 10094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the allocation function used. 10104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorNew; 10114c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the deallocation function used in case of error. May be null. 10124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 10134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the constructor used. Cannot be null if AllocType is a record; 10144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // it would still point at the default constructor (even an implicit one). 10154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Must be null for all other types. 10164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *Constructor; 10174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10181bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor /// \brief The allocated type-source information, as written in the source. 10191bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *AllocatedTypeInfo; 10201bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 10214bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// \brief If the allocated type was expressed as a parenthesized type-id, 10224bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor /// the source range covering the parenthesized type-id. 10234bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 10244bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 10254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation StartLoc; 10264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation EndLoc; 1027428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorLParen; 1028428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation ConstructorRParen; 10294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 103060adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 10314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 1032ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew, 10334bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor Expr **placementArgs, unsigned numPlaceArgs, 10344bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens, 1035ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek Expr *arraySize, CXXConstructorDecl *constructor, bool initializer, 10364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr **constructorArgs, unsigned numConsArgs, 10376ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, bool usualArrayDeleteWantsSize, 10386ec278d1a354517e20f13a877481453ee7940c78John McCall QualType ty, TypeSourceInfo *AllocatedTypeInfo, 1039428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation startLoc, SourceLocation endLoc, 1040428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorLParen, 1041428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation constructorRParen); 10425921863d8f24084797863b5df37842113bac4352Chris Lattner explicit CXXNewExpr(EmptyShell Shell) 10435921863d8f24084797863b5df37842113bac4352Chris Lattner : Expr(CXXNewExprClass, Shell), SubExprs(0) { } 10445921863d8f24084797863b5df37842113bac4352Chris Lattner 10455921863d8f24084797863b5df37842113bac4352Chris Lattner void AllocateArgsArray(ASTContext &C, bool isArray, unsigned numPlaceArgs, 10465921863d8f24084797863b5df37842113bac4352Chris Lattner unsigned numConsArgs); 1047ad7fe864862305c2f71e047cdf6706ef43aebdc0Ted Kremenek 1048cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl QualType getAllocatedType() const { 1049cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl assert(getType()->isPointerType()); 10506217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getType()->getAs<PointerType>()->getPointeeType(); 1051cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 10524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10531bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor TypeSourceInfo *getAllocatedTypeSourceInfo() const { 10541bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor return AllocatedTypeInfo; 10551bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor } 10561bb2a93ab7b1499dda6f6b58865bd0dce1864228Douglas Gregor 10574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorNew() const { return OperatorNew; } 10585921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorNew(FunctionDecl *D) { OperatorNew = D; } 10594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 10605921863d8f24084797863b5df37842113bac4352Chris Lattner void setOperatorDelete(FunctionDecl *D) { OperatorDelete = D; } 10614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXConstructorDecl *getConstructor() const { return Constructor; } 10625921863d8f24084797863b5df37842113bac4352Chris Lattner void setConstructor(CXXConstructorDecl *D) { Constructor = D; } 10634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1064cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool isArray() const { return Array; } 1065cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Expr *getArraySize() { 1066cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1067cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1068cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl const Expr *getArraySize() const { 1069cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return Array ? cast<Expr>(SubExprs[0]) : 0; 1070cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1071cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl 10724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumPlacementArgs() const { return NumPlacementArgs; } 1073aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getPlacementArgs() { 1074aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array); 1075aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1076aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 10774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getPlacementArg(unsigned i) { 10784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1079cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 10804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 10814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getPlacementArg(unsigned i) const { 10824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumPlacementArgs && "Index out of range"); 1083cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + i]); 10844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 10854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10864bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor bool isParenTypeId() const { return TypeIdParens.isValid(); } 10874bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange getTypeIdParens() const { return TypeIdParens; } 10884bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor 10894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalNew() const { return GlobalNew; } 10904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool hasInitializer() const { return Initializer; } 10916ec278d1a354517e20f13a877481453ee7940c78John McCall 10926ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 10936ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 10946ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. 10956ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 10966ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 10976ec278d1a354517e20f13a877481453ee7940c78John McCall } 10984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 10994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl unsigned getNumConstructorArgs() const { return NumConstructorArgs; } 1100aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 1101aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **getConstructorArgs() { 1102aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor return reinterpret_cast<Expr **>(SubExprs + Array + NumPlacementArgs); 1103aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor } 1104aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor 11054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getConstructorArg(unsigned i) { 11064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1107cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getConstructorArg(unsigned i) const { 11104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl assert(i < NumConstructorArgs && "Index out of range"); 1111cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return cast<Expr>(SubExprs[Array + NumPlacementArgs + i]); 11124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ExprIterator arg_iterator; 11154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef ConstExprIterator const_arg_iterator; 11164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_begin() { 1118cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator placement_arg_end() { 1121cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_begin() const { 1124cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array; 11254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator placement_arg_end() const { 1127cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_begin() { 1131cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl arg_iterator constructor_arg_end() { 1134cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_begin() const { 1137cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs(); 11384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11394c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const_arg_iterator constructor_arg_end() const { 1140cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11425921863d8f24084797863b5df37842113bac4352Chris Lattner 11435921863d8f24084797863b5df37842113bac4352Chris Lattner typedef Stmt **raw_arg_iterator; 11445921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_begin() { return SubExprs; } 11455921863d8f24084797863b5df37842113bac4352Chris Lattner raw_arg_iterator raw_arg_end() { 11465921863d8f24084797863b5df37842113bac4352Chris Lattner return SubExprs + Array + getNumPlacementArgs() + getNumConstructorArgs(); 11475921863d8f24084797863b5df37842113bac4352Chris Lattner } 11485921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_begin() const { return SubExprs; } 11495921863d8f24084797863b5df37842113bac4352Chris Lattner const_arg_iterator raw_arg_end() const { return constructor_arg_end(); } 11504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11515921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getStartLoc() const { return StartLoc; } 11525921863d8f24084797863b5df37842113bac4352Chris Lattner SourceLocation getEndLoc() const { return EndLoc; } 1153428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 1154428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorLParen() const { return ConstructorLParen; } 1155428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth SourceLocation getConstructorRParen() const { return ConstructorRParen; } 1156428edafa9eb80e01dd40aab31d4166a787a741e1Chandler Carruth 115763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(StartLoc, EndLoc); 11594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 11624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXNewExprClass; 11634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 11644c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXNewExpr *) { return true; } 11654c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 116763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 116863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], 116963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall &SubExprs[0] + Array + getNumPlacementArgs() 117063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall + getNumConstructorArgs()); 117163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 11734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// CXXDeleteExpr - A delete expression for memory deallocation and destructor 11754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// calls, e.g. "delete[] pArray". 11764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlclass CXXDeleteExpr : public Expr { 11774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this a forced global delete, i.e. "::delete"? 11784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool GlobalDelete : 1; 11794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Is this the array form of delete, i.e. "delete[]"? 11804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayForm : 1; 11814076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // ArrayFormAsWritten can be different from ArrayForm if 'delete' is applied 11824076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // to pointer-to-array type (ArrayFormAsWritten will be false while ArrayForm 11834076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis // will be true). 11844076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool ArrayFormAsWritten : 1; 11856ec278d1a354517e20f13a877481453ee7940c78John McCall // Does the usual deallocation function for the element type require 11866ec278d1a354517e20f13a877481453ee7940c78John McCall // a size_t argument? 11876ec278d1a354517e20f13a877481453ee7940c78John McCall bool UsualArrayDeleteWantsSize : 1; 11884c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Points to the operator delete overload that is used. Could be a member. 11894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *OperatorDelete; 11904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The pointer expression to be deleted. 11914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Stmt *Argument; 11924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Location of the expression. 11934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation Loc; 11944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redlpublic: 11954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CXXDeleteExpr(QualType ty, bool globalDelete, bool arrayForm, 11966ec278d1a354517e20f13a877481453ee7940c78John McCall bool arrayFormAsWritten, bool usualArrayDeleteWantsSize, 11976ec278d1a354517e20f13a877481453ee7940c78John McCall FunctionDecl *operatorDelete, Expr *arg, SourceLocation loc) 1198bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(CXXDeleteExprClass, ty, VK_RValue, OK_Ordinary, false, false, 1199bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor arg->containsUnexpandedParameterPack()), 1200f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall GlobalDelete(globalDelete), 12014076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis ArrayForm(arrayForm), ArrayFormAsWritten(arrayFormAsWritten), 12026ec278d1a354517e20f13a877481453ee7940c78John McCall UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize), 12034076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis OperatorDelete(operatorDelete), Argument(arg), Loc(loc) { } 120495fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis explicit CXXDeleteExpr(EmptyShell Shell) 120595fc98ce95d4faa4f1bb2783384150530404ea6fArgyrios Kyrtzidis : Expr(CXXDeleteExprClass, Shell), OperatorDelete(0), Argument(0) { } 12064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isGlobalDelete() const { return GlobalDelete; } 12084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool isArrayForm() const { return ArrayForm; } 12094076dacf1497fb95cb298b9d964fbdbdaf9bde6cArgyrios Kyrtzidis bool isArrayFormAsWritten() const { return ArrayFormAsWritten; } 12104c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12116ec278d1a354517e20f13a877481453ee7940c78John McCall /// Answers whether the usual array deallocation function for the 12126ec278d1a354517e20f13a877481453ee7940c78John McCall /// allocated type expects the size of the allocation as a 12136ec278d1a354517e20f13a877481453ee7940c78John McCall /// parameter. This can be true even if the actual deallocation 12146ec278d1a354517e20f13a877481453ee7940c78John McCall /// function that we're using doesn't want a size. 12156ec278d1a354517e20f13a877481453ee7940c78John McCall bool doesUsualArrayDeleteWantSize() const { 12166ec278d1a354517e20f13a877481453ee7940c78John McCall return UsualArrayDeleteWantsSize; 12176ec278d1a354517e20f13a877481453ee7940c78John McCall } 12186ec278d1a354517e20f13a877481453ee7940c78John McCall 12194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl FunctionDecl *getOperatorDelete() const { return OperatorDelete; } 12204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl Expr *getArgument() { return cast<Expr>(Argument); } 12224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl const Expr *getArgument() const { return cast<Expr>(Argument); } 12234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1224a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// \brief Retrieve the type being destroyed. If the type being 1225a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// destroyed is a dependent type which may or may not be a pointer, 1226a437ad3ec5b407ede394d74e6f9f463fa3657dbeCraig Silverstein /// return an invalid type. 12275833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor QualType getDestroyedType() const; 12285833b0b831d6afae2885e6af420e2bda639652e6Douglas Gregor 122963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 12304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return SourceRange(Loc, Argument->getLocEnd()); 12314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const Stmt *T) { 12344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return T->getStmtClass() == CXXDeleteExprClass; 12354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 12364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl static bool classof(const CXXDeleteExpr *) { return true; } 12374c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 12384c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Iterators 123963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Argument, &Argument+1); } 1240f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis 1241f1b8911d35bb2830a13267581d3cbde4b6b85db6Argyrios Kyrtzidis friend class ASTStmtReader; 12424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl}; 12434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1244a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// \brief Structure used to store the type being destroyed by a 1245a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor/// pseudo-destructor expression. 1246a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorclass PseudoDestructorTypeStorage { 1247a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Either the type source information or the name of the type, if 1248a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// it couldn't be resolved due to type-dependence. 1249a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor llvm::PointerUnion<TypeSourceInfo *, IdentifierInfo *> Type; 1250a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1251a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The starting source location of the pseudo-destructor type. 1252a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation Location; 1253a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1254a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregorpublic: 1255a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage() { } 1256a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1257a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(IdentifierInfo *II, SourceLocation Loc) 1258a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor : Type(II), Location(Loc) { } 1259a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1260a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage(TypeSourceInfo *Info); 1261a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1262a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { 1263a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<TypeSourceInfo *>(); 1264a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1265a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1266a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getIdentifier() const { 1267a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return Type.dyn_cast<IdentifierInfo *>(); 1268a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1269a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1270a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getLocation() const { return Location; } 1271a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor}; 1272a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1273a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \brief Represents a C++ pseudo-destructor (C++ [expr.pseudo]). 1274a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1275e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// A pseudo-destructor is an expression that looks like a member access to a 1276e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructor of a scalar type, except that scalar types don't have 1277e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// destructors. For example: 1278e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1279e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \code 1280e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// typedef int T; 1281e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// void f(int *p) { 1282e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// p->T::~T(); 1283e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// } 1284e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// \endcode 1285a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1286e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// Pseudo-destructors typically occur when instantiating templates such as: 1287e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// 1288a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \code 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T> 1290a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// void destroy(T* ptr) { 1291e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// ptr->T::~T(); 1292a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// } 1293a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// \endcode 1294a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor/// 1295e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// for scalar types. A pseudo-destructor expression has no run-time semantics 1296e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor/// beyond evaluating the base expression. 1297a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorclass CXXPseudoDestructorExpr : public Expr { 1298a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The base expression (that is being destroyed). 1299a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Stmt *Base; 13001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1301a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Whether the operator was an arrow ('->'); otherwise, it was a 1302a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// period ('.'). 1303a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool IsArrow : 1; 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1305a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The location of the '.' or '->' operator. 1306a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation OperatorLoc; 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1308a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief The nested-name-specifier that follows the operator, if present. 1309a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor NestedNameSpecifier *Qualifier; 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief The source range that covers the nested-name-specifier, if 1312a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// present. 1313a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceRange QualifierRange; 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1315e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The type that precedes the '::' in a qualified pseudo-destructor 1316e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1317e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType; 1318e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1319e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief The location of the '::' in a qualified pseudo-destructor 1320e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1321e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc; 1322e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1323fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief The location of the '~'. 1324fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc; 1325fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 1326a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief The type being destroyed, or its name if we were unable to 1327a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// resolve the name. 1328a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor PseudoDestructorTypeStorage DestroyedType; 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1330a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregorpublic: 1331a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor CXXPseudoDestructorExpr(ASTContext &Context, 1332a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *Base, bool isArrow, SourceLocation OperatorLoc, 1333a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor NestedNameSpecifier *Qualifier, 1334a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceRange QualifierRange, 1335e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor TypeSourceInfo *ScopeType, 1336e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation ColonColonLoc, 1337fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation TildeLoc, 1338e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall PseudoDestructorTypeStorage DestroyedType); 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1340de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis explicit CXXPseudoDestructorExpr(EmptyShell Shell) 1341de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis : Expr(CXXPseudoDestructorExprClass, Shell), 1342de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis Base(0), IsArrow(false), Qualifier(0), ScopeType(0) { } 1343de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1344a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor void setBase(Expr *E) { Base = E; } 1345a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor Expr *getBase() const { return cast<Expr>(Base); } 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Determines whether this member expression actually had 1348a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// a C++ nested-name-specifier prior to the name of the member, e.g., 1349a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// x->Base::foo. 1350a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool hasQualifier() const { return Qualifier != 0; } 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1352a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief If the member name was qualified, retrieves the source range of 1353a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// the nested-name-specifier that precedes the member name. Otherwise, 1354a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// returns an empty source range. 1355a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceRange getQualifierRange() const { return QualifierRange; } 1356de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setQualifierRange(SourceRange R) { QualifierRange = R; } 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief If the member name was qualified, retrieves the 1359a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// nested-name-specifier that precedes the member name. Otherwise, returns 1360a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// NULL. 1361a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor NestedNameSpecifier *getQualifier() const { return Qualifier; } 1362de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setQualifier(NestedNameSpecifier *NNS) { Qualifier = NNS; } 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1364a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Determine whether this pseudo-destructor expression was written 1365a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// using an '->' (otherwise, it used a '.'). 1366a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor bool isArrow() const { return IsArrow; } 1367a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor void setArrow(bool A) { IsArrow = A; } 1368a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor 1369a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor /// \brief Retrieve the location of the '.' or '->' operator. 1370a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 1371de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setOperatorLoc(SourceLocation L) { OperatorLoc = L; } 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1373e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the scope type in a qualified pseudo-destructor 1374e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1375e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// 1376e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Pseudo-destructor expressions can have extra qualification within them 1377e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// that is not part of the nested-name-specifier, e.g., \c p->T::~T(). 1378e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// Here, if the object type of the expression is (or may be) a scalar type, 1379e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \p T may also be a scalar type and, therefore, cannot be part of a 1380e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// nested-name-specifier. It is stored as the "scope type" of the pseudo- 1381e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// destructor expression. 138226d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor TypeSourceInfo *getScopeTypeInfo() const { return ScopeType; } 1383de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setScopeTypeInfo(TypeSourceInfo *Info) { ScopeType = Info; } 1384e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1385e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// \brief Retrieve the location of the '::' in a qualified pseudo-destructor 1386e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor /// expression. 1387e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor SourceLocation getColonColonLoc() const { return ColonColonLoc; } 1388de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setColonColonLoc(SourceLocation L) { ColonColonLoc = L; } 1389e0601ea1220348957dacec5f3dd0707837365290Douglas Gregor 1390fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor /// \brief Retrieve the location of the '~'. 1391fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor SourceLocation getTildeLoc() const { return TildeLoc; } 1392de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setTildeLoc(SourceLocation L) { TildeLoc = L; } 1393fce46ee68f779e239826e69e45d01d4c8e5323caDouglas Gregor 139426d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// \brief Retrieve the source location information for the type 139526d4ac97fb514bb60c2536eae6f203dc569159d9Douglas Gregor /// being destroyed. 1396a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// 1397a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// This type-source information is available for non-dependent 1398a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// pseudo-destructor expressions and some dependent pseudo-destructor 1399a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// expressions. Returns NULL if we only have the identifier for a 1400a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// dependent pseudo-destructor expression. 1401a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor TypeSourceInfo *getDestroyedTypeInfo() const { 1402a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getTypeSourceInfo(); 1403a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1404a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1405a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief In a dependent pseudo-destructor expression for which we do not 1406a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// have full type information on the destroyed type, provides the name 1407a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// of the destroyed type. 1408a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor IdentifierInfo *getDestroyedTypeIdentifier() const { 1409a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getIdentifier(); 1410a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 1411a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1412a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the type being destroyed. 1413a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor QualType getDestroyedType() const; 1414a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor 1415a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor /// \brief Retrieve the starting location of the type being destroyed. 1416a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor SourceLocation getDestroyedTypeLoc() const { 1417a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor return DestroyedType.getLocation(); 1418a2e7dd2f4a50d835351153aee568d35ccc986310Douglas Gregor } 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1420de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the name of destroyed type for a dependent pseudo-destructor 1421de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// expression. 1422de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(IdentifierInfo *II, SourceLocation Loc) { 1423de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(II, Loc); 1424de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1425de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 1426de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis /// \brief Set the destroyed type. 1427de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis void setDestroyedType(TypeSourceInfo *Info) { 1428de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis DestroyedType = PseudoDestructorTypeStorage(Info); 1429de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis } 1430de4bd18bb45a1db68996cfb949db3015fc25d10dArgyrios Kyrtzidis 143163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1434a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor return T->getStmtClass() == CXXPseudoDestructorExprClass; 1435a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor } 1436a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor static bool classof(const CXXPseudoDestructorExpr *) { return true; } 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor // Iterators 143963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Base, &Base + 1); } 1440a71d819bb8f50c28938db0f2867d3fb6e2ce5910Douglas Gregor}; 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// UnaryTypeTraitExpr - A GCC or MS unary type trait, as used in the 144364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// implementation of TR1/C++0x type trait templates. 144464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// Example: 144564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_pod(int) == true 144664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// __is_enum(std::string) == false 144764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlclass UnaryTypeTraitExpr : public Expr { 14480dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// UTT - The trait. A UnaryTypeTrait enum in MSVC compat unsigned. 14490dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl unsigned UTT : 31; 14500dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The value of the type trait. Unspecified if dependent. 14510dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool Value : 1; 145264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 145364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// Loc - The location of the type trait keyword. 145464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc; 145564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 145664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// RParen - The location of the closing paren. 145764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen; 145864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14590dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl /// The type being queried. 14603d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *QueriedType; 146164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 146264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redlpublic: 14633d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor UnaryTypeTraitExpr(SourceLocation loc, UnaryTypeTrait utt, 14640dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl TypeSourceInfo *queried, bool value, 146564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation rparen, QualType ty) 1466f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(UnaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, 1467bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor false, queried->getType()->isDependentType(), 1468bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor queried->getType()->containsUnexpandedParameterPack()), 14690dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UTT(utt), Value(value), Loc(loc), RParen(rparen), QueriedType(queried) { } 147064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14716d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis explicit UnaryTypeTraitExpr(EmptyShell Empty) 14720dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false), 14733d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QueriedType() { } 14746d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 147563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(Loc, RParen);} 147664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14770dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); } 147864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14793d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor QualType getQueriedType() const { return QueriedType->getType(); } 148064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14813d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor TypeSourceInfo *getQueriedTypeSourceInfo() const { return QueriedType; } 14823d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor 14830dfd848fa4c9664852ba8c929a8bd3fce93ddca2Sebastian Redl bool getValue() const { return Value; } 148464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 148564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const Stmt *T) { 148664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return T->getStmtClass() == UnaryTypeTraitExprClass; 148764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 148864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl static bool classof(const UnaryTypeTraitExpr *) { return true; } 148964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 149064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // Iterators 149163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 14926d00c1365dd3601f6d93bbda9162913c57ae788fArgyrios Kyrtzidis 149360adf4acf40b72227740bf966fb87eebddff3f37Sebastian Redl friend class ASTStmtReader; 149464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl}; 149564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 14966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// BinaryTypeTraitExpr - A GCC or MS binary type trait, as used in the 14976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// implementation of TR1/C++0x type trait templates. 14986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// Example: 14996ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// __is_base_of(Base, Derived) == true 15006ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetclass BinaryTypeTraitExpr : public Expr { 15016ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// BTT - The trait. A BinaryTypeTrait enum in MSVC compat unsigned. 15026ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet unsigned BTT : 8; 15036ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15046ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The value of the type trait. Unspecified if dependent. 15056ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool Value : 1; 15066ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15076ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// Loc - The location of the type trait keyword. 15086ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc; 15096ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15106ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// RParen - The location of the closing paren. 15116ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen; 15126ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15136ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The lhs type being queried. 15146ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *LhsType; 15156ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15166ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet /// The rhs type being queried. 15176ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *RhsType; 15186ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15196ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetpublic: 15206ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTraitExpr(SourceLocation loc, BinaryTypeTrait btt, 15216ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *lhsType, TypeSourceInfo *rhsType, 15226ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool value, SourceLocation rparen, QualType ty) 15236ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, ty, VK_RValue, OK_Ordinary, false, 15246ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet lhsType->getType()->isDependentType() || 1525bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->isDependentType(), 1526bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor (lhsType->getType()->containsUnexpandedParameterPack() || 1527bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor rhsType->getType()->containsUnexpandedParameterPack())), 15286ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BTT(btt), Value(value), Loc(loc), RParen(rparen), 15296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet LhsType(lhsType), RhsType(rhsType) { } 15306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet explicit BinaryTypeTraitExpr(EmptyShell Empty) 15336ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false), 1534f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet LhsType(), RhsType() { } 15356ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 153663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 15376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return SourceRange(Loc, RParen); 15386ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15396ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15406ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait getTrait() const { 15416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return static_cast<BinaryTypeTrait>(BTT); 15426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getLhsType() const { return LhsType->getType(); } 15456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet QualType getRhsType() const { return RhsType->getType(); } 15466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getLhsTypeSourceInfo() const { return LhsType; } 15486ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeSourceInfo *getRhsTypeSourceInfo() const { return RhsType; } 15496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet bool getValue() const { assert(!isTypeDependent()); return Value; } 15516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const Stmt *T) { 15536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return T->getStmtClass() == BinaryTypeTraitExprClass; 15546ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 15556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet static bool classof(const BinaryTypeTraitExpr *) { return true; } 15566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet // Iterators 155863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 15596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet friend class ASTStmtReader; 15616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet}; 15626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 15637bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to an overloaded function set, either an 15647bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \t UnresolvedLookupExpr or an \t UnresolvedMemberExpr. 15657bb12da2b0749eeebb21854c77877736969e59f2John McCallclass OverloadExpr : public Expr { 1566ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// The results. These are undesugared, which is to say, they may 15677bb12da2b0749eeebb21854c77877736969e59f2John McCall /// include UsingShadowDecls. Access is relative to the naming 15687bb12da2b0749eeebb21854c77877736969e59f2John McCall /// class. 1569928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor // FIXME: Allocate this data after the OverloadExpr subclass. 1570928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor DeclAccessPair *Results; 1571928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned NumResults; 1572ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 15737bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The common name of these declarations. 15742577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo; 1575ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 15767bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The scope specifier, if any. 1577ba13543329afac4a0d01304ec2ec4924d99306a6John McCall NestedNameSpecifier *Qualifier; 15787bb12da2b0749eeebb21854c77877736969e59f2John McCall 15797bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The source range of the scope specifier. 1580ba13543329afac4a0d01304ec2ec4924d99306a6John McCall SourceRange QualifierRange; 1581ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1582a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidisprotected: 15837bb12da2b0749eeebb21854c77877736969e59f2John McCall /// True if the name was a template-id. 15847bb12da2b0749eeebb21854c77877736969e59f2John McCall bool HasExplicitTemplateArgs; 15857bb12da2b0749eeebb21854c77877736969e59f2John McCall 1586bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor OverloadExpr(StmtClass K, ASTContext &C, 15877bb12da2b0749eeebb21854c77877736969e59f2John McCall NestedNameSpecifier *Qualifier, SourceRange QRange, 15882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1589bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 1590bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End, 1591bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownDependent = false, 1592bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool KnownContainsUnexpandedParameterPack = false); 15937bb12da2b0749eeebb21854c77877736969e59f2John McCall 1594a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis OverloadExpr(StmtClass K, EmptyShell Empty) 1595a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : Expr(K, Empty), Results(0), NumResults(0), 1596a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis Qualifier(0), HasExplicitTemplateArgs(false) { } 1597a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 1598bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor void initializeResults(ASTContext &C, 1599bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator Begin, 1600bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedSetIterator End); 16017bb12da2b0749eeebb21854c77877736969e59f2John McCall 1602bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregorpublic: 16039c72c6088d591ace8503b842d39448c2040f3033John McCall struct FindResult { 16049c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Expression; 16059c72c6088d591ace8503b842d39448c2040f3033John McCall bool IsAddressOfOperand; 16069c72c6088d591ace8503b842d39448c2040f3033John McCall bool HasFormOfMemberPointer; 16079c72c6088d591ace8503b842d39448c2040f3033John McCall }; 16089c72c6088d591ace8503b842d39448c2040f3033John McCall 16097bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Finds the overloaded expression in the given expression of 16107bb12da2b0749eeebb21854c77877736969e59f2John McCall /// OverloadTy. 16117bb12da2b0749eeebb21854c77877736969e59f2John McCall /// 16129c72c6088d591ace8503b842d39448c2040f3033John McCall /// \return the expression (which must be there) and true if it has 16139c72c6088d591ace8503b842d39448c2040f3033John McCall /// the particular form of a member pointer expression 16149c72c6088d591ace8503b842d39448c2040f3033John McCall static FindResult find(Expr *E) { 16157bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(E->getType()->isSpecificBuiltinType(BuiltinType::Overload)); 16167bb12da2b0749eeebb21854c77877736969e59f2John McCall 16179c72c6088d591ace8503b842d39448c2040f3033John McCall FindResult Result; 16189c72c6088d591ace8503b842d39448c2040f3033John McCall 16197bb12da2b0749eeebb21854c77877736969e59f2John McCall E = E->IgnoreParens(); 16209c72c6088d591ace8503b842d39448c2040f3033John McCall if (isa<UnaryOperator>(E)) { 16219c72c6088d591ace8503b842d39448c2040f3033John McCall assert(cast<UnaryOperator>(E)->getOpcode() == UO_AddrOf); 16229c72c6088d591ace8503b842d39448c2040f3033John McCall E = cast<UnaryOperator>(E)->getSubExpr(); 16239c72c6088d591ace8503b842d39448c2040f3033John McCall OverloadExpr *Ovl = cast<OverloadExpr>(E->IgnoreParens()); 16249c72c6088d591ace8503b842d39448c2040f3033John McCall 16259c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = (E == Ovl && Ovl->getQualifier()); 16269c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = true; 16279c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = Ovl; 16289c72c6088d591ace8503b842d39448c2040f3033John McCall } else { 16299c72c6088d591ace8503b842d39448c2040f3033John McCall Result.HasFormOfMemberPointer = false; 16309c72c6088d591ace8503b842d39448c2040f3033John McCall Result.IsAddressOfOperand = false; 16319c72c6088d591ace8503b842d39448c2040f3033John McCall Result.Expression = cast<OverloadExpr>(E); 16329c72c6088d591ace8503b842d39448c2040f3033John McCall } 16339c72c6088d591ace8503b842d39448c2040f3033John McCall 16349c72c6088d591ace8503b842d39448c2040f3033John McCall return Result; 16357bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16367bb12da2b0749eeebb21854c77877736969e59f2John McCall 1637e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall /// Gets the naming class of this lookup, if any. 1638e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall CXXRecordDecl *getNamingClass() const; 1639e9ee23edd17c4bb7f271e67f8790792b4de677fcJohn McCall 16407bb12da2b0749eeebb21854c77877736969e59f2John McCall typedef UnresolvedSetImpl::iterator decls_iterator; 1641928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_begin() const { return UnresolvedSetIterator(Results); } 1642928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor decls_iterator decls_end() const { 1643928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor return UnresolvedSetIterator(Results + NumResults); 1644928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor } 1645a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 16467bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the number of declarations in the unresolved set. 1647928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor unsigned getNumDecls() const { return NumResults; } 16487bb12da2b0749eeebb21854c77877736969e59f2John McCall 16492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Gets the full name info. 16502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 16512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setNameInfo(const DeclarationNameInfo &N) { NameInfo = N; } 16522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 16537bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the name looked up. 16542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return NameInfo.getName(); } 16552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setName(DeclarationName N) { NameInfo.setName(N); } 16567bb12da2b0749eeebb21854c77877736969e59f2John McCall 16577bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Gets the location of the name. 16582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getNameLoc() const { return NameInfo.getLoc(); } 16592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setNameLoc(SourceLocation Loc) { NameInfo.setLoc(Loc); } 16607bb12da2b0749eeebb21854c77877736969e59f2John McCall 16617bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the nested-name qualifier, if one was given. 16627bb12da2b0749eeebb21854c77877736969e59f2John McCall NestedNameSpecifier *getQualifier() const { return Qualifier; } 1663a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis void setQualifier(NestedNameSpecifier *NNS) { Qualifier = NNS; } 16647bb12da2b0749eeebb21854c77877736969e59f2John McCall 16657bb12da2b0749eeebb21854c77877736969e59f2John McCall /// Fetches the range of the nested-name qualifier. 16667bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceRange getQualifierRange() const { return QualifierRange; } 1667a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis void setQualifierRange(SourceRange R) { QualifierRange = R; } 16687bb12da2b0749eeebb21854c77877736969e59f2John McCall 16697bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Determines whether this expression had an explicit 16707bb12da2b0749eeebb21854c77877736969e59f2John McCall /// template argument list, e.g. f<int>. 16717bb12da2b0749eeebb21854c77877736969e59f2John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 16727bb12da2b0749eeebb21854c77877736969e59f2John McCall 16737bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs(); // defined far below 16747bb12da2b0749eeebb21854c77877736969e59f2John McCall 16757bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 16767bb12da2b0749eeebb21854c77877736969e59f2John McCall return const_cast<OverloadExpr*>(this)->getExplicitTemplateArgs(); 16777bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16787bb12da2b0749eeebb21854c77877736969e59f2John McCall 1679096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1680096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1681096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1682096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1683096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1684096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 16857bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16867bb12da2b0749eeebb21854c77877736969e59f2John McCall 16877bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const Stmt *T) { 16887bb12da2b0749eeebb21854c77877736969e59f2John McCall return T->getStmtClass() == UnresolvedLookupExprClass || 16897bb12da2b0749eeebb21854c77877736969e59f2John McCall T->getStmtClass() == UnresolvedMemberExprClass; 16907bb12da2b0749eeebb21854c77877736969e59f2John McCall } 16917bb12da2b0749eeebb21854c77877736969e59f2John McCall static bool classof(const OverloadExpr *) { return true; } 16924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 16934045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 16944045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 16957bb12da2b0749eeebb21854c77877736969e59f2John McCall}; 16967bb12da2b0749eeebb21854c77877736969e59f2John McCall 16977bb12da2b0749eeebb21854c77877736969e59f2John McCall/// \brief A reference to a name which we were able to look up during 16987bb12da2b0749eeebb21854c77877736969e59f2John McCall/// parsing but could not resolve to a specific declaration. This 16997bb12da2b0749eeebb21854c77877736969e59f2John McCall/// arises in several ways: 17007bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * we might be waiting for argument-dependent lookup 17017bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the name might resolve to an overloaded function 17027bb12da2b0749eeebb21854c77877736969e59f2John McCall/// and eventually: 17037bb12da2b0749eeebb21854c77877736969e59f2John McCall/// * the lookup might have included a function template 17047bb12da2b0749eeebb21854c77877736969e59f2John McCall/// These never include UnresolvedUsingValueDecls, which are always 17057bb12da2b0749eeebb21854c77877736969e59f2John McCall/// class members and therefore appear only in 17067bb12da2b0749eeebb21854c77877736969e59f2John McCall/// UnresolvedMemberLookupExprs. 17077bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedLookupExpr : public OverloadExpr { 1708ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if these lookup results should be extended by 1709ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup if this is the operand of a function 1710ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// call. 1711ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool RequiresADL; 1712ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 17137453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if these lookup results are overloaded. This is pretty 17147453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// trivially rederivable if we urgently need to kill this field. 17157453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool Overloaded; 17167453ed4cb2cab113de3378df371b1c6f1243d832John McCall 17177bb12da2b0749eeebb21854c77877736969e59f2John McCall /// The naming class (C++ [class.access.base]p5) of the lookup, if 17187bb12da2b0749eeebb21854c77877736969e59f2John McCall /// any. This can generally be recalculated from the context chain, 17197bb12da2b0749eeebb21854c77877736969e59f2John McCall /// but that can be fairly expensive for unqualified lookups. If we 17207bb12da2b0749eeebb21854c77877736969e59f2John McCall /// want to improve memory use here, this could go in a union 17217bb12da2b0749eeebb21854c77877736969e59f2John McCall /// against the qualified-lookup bits. 17227bb12da2b0749eeebb21854c77877736969e59f2John McCall CXXRecordDecl *NamingClass; 1723f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1724bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedLookupExpr(ASTContext &C, 1725928e6fcf66fc4f342bcf7cc96bf56986c9c2a833Douglas Gregor CXXRecordDecl *NamingClass, 1726ba13543329afac4a0d01304ec2ec4924d99306a6John McCall NestedNameSpecifier *Qualifier, SourceRange QRange, 17272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1728bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool RequiresADL, bool Overloaded, 1729bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *TemplateArgs, 17305a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End) 1731bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : OverloadExpr(UnresolvedLookupExprClass, C, Qualifier, QRange, NameInfo, 1732bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor TemplateArgs, Begin, End), 17337bb12da2b0749eeebb21854c77877736969e59f2John McCall RequiresADL(RequiresADL), Overloaded(Overloaded), NamingClass(NamingClass) 1734ba13543329afac4a0d01304ec2ec4924d99306a6John McCall {} 1735ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1736bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis UnresolvedLookupExpr(EmptyShell Empty) 1737bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis : OverloadExpr(UnresolvedLookupExprClass, Empty), 1738bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis RequiresADL(false), Overloaded(false), NamingClass(0) 1739bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis {} 1740bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 1741ba13543329afac4a0d01304ec2ec4924d99306a6John McCallpublic: 1742ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1743c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 1744ba13543329afac4a0d01304ec2ec4924d99306a6John McCall NestedNameSpecifier *Qualifier, 1745ba13543329afac4a0d01304ec2ec4924d99306a6John McCall SourceRange QualifierRange, 17462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 17475a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor bool ADL, bool Overloaded, 17485a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17495a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End) { 1750bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor return new(C) UnresolvedLookupExpr(C, NamingClass, Qualifier, 1751bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor QualifierRange, NameInfo, ADL, 1752bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Overloaded, 0, Begin, End); 1753ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1754ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1755f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static UnresolvedLookupExpr *Create(ASTContext &C, 1756c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *NamingClass, 1757f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall NestedNameSpecifier *Qualifier, 1758f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceRange QualifierRange, 17592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1760f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool ADL, 17615a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo &Args, 17625a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, 17635a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator End); 1764f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1765bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis static UnresolvedLookupExpr *CreateEmpty(ASTContext &C, 1766def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 1767bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis unsigned NumTemplateArgs); 1768bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis 1769ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// True if this declaration should be extended by 1770ba13543329afac4a0d01304ec2ec4924d99306a6John McCall /// argument-dependent lookup. 1771ba13543329afac4a0d01304ec2ec4924d99306a6John McCall bool requiresADL() const { return RequiresADL; } 1772bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis void setRequiresADL(bool V) { RequiresADL = V; } 1773ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 17747453ed4cb2cab113de3378df371b1c6f1243d832John McCall /// True if this lookup is overloaded. 17757453ed4cb2cab113de3378df371b1c6f1243d832John McCall bool isOverloaded() const { return Overloaded; } 1776bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis void setOverloaded(bool V) { Overloaded = V; } 17777453ed4cb2cab113de3378df371b1c6f1243d832John McCall 1778c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// Gets the 'naming class' (in the sense of C++0x 1779c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// [class.access.base]p5) of the lookup. This is the scope 1780c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// that was looked in to find these results. 1781c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const { return NamingClass; } 1782bd65bb511c26549c96b829c1282e4c877588564aArgyrios Kyrtzidis void setNamingClass(CXXRecordDecl *D) { NamingClass = D; } 1783c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 1784f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1785f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1786f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 1787f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 17887bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 17897bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 17907bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 17917bb12da2b0749eeebb21854c77877736969e59f2John McCall } 17927bb12da2b0749eeebb21854c77877736969e59f2John McCall 1793f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1794f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1795f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1796f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1797f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1798f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1799096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1800096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1801096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1802096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1803096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1804096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1805096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1806096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1807f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1808f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1809f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1810f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1811f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1812ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1813f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1814f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1815f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1816f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1817f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1818f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1819f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1820f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1821f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1822f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1823f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1824f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1825f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1826f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1827f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1828ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 182963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 18302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range(getNameInfo().getSourceRange()); 18317bb12da2b0749eeebb21854c77877736969e59f2John McCall if (getQualifier()) Range.setBegin(getQualifierRange().getBegin()); 1832f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) Range.setEnd(getRAngleLoc()); 1833f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1834ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1835ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 183663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 1837ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 1838ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const Stmt *T) { 1839ba13543329afac4a0d01304ec2ec4924d99306a6John McCall return T->getStmtClass() == UnresolvedLookupExprClass; 1840ba13543329afac4a0d01304ec2ec4924d99306a6John McCall } 1841ba13543329afac4a0d01304ec2ec4924d99306a6John McCall static bool classof(const UnresolvedLookupExpr *) { return true; } 1842ba13543329afac4a0d01304ec2ec4924d99306a6John McCall}; 1843ba13543329afac4a0d01304ec2ec4924d99306a6John McCall 18445953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// \brief A qualified reference to a name whose declaration cannot 18455953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// yet be resolved. 18465953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// 1847ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// DependentScopeDeclRefExpr is similar to DeclRefExpr in that 1848a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// it expresses a reference to a declaration such as 18495953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// X<T>::value. The difference, however, is that an 1850865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// DependentScopeDeclRefExpr node is used only within C++ templates when 18515953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// the qualification (e.g., X<T>::) refers to a dependent type. In 18525953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// this case, X<T>::value cannot resolve to a declaration because the 18535953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor/// declaration will differ from on instantiation of X<T> to the 1854865d447ac6a4721ab58e898d014a21f2eff74b06John McCall/// next. Therefore, DependentScopeDeclRefExpr keeps track of the 1855ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor/// qualifier (X<T>::) and the name of the entity being referenced 1856a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// ("value"). Such expressions will instantiate to a DeclRefExpr once the 1857a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor/// declaration can be found. 1858865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass DependentScopeDeclRefExpr : public Expr { 18595953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// The name of the entity we will be referencing. 18602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo; 18615953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 18625953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// QualifierRange - The source range that covers the 18635953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// nested-name-specifier. 18645953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor SourceRange QualifierRange; 18655953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 1866ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested-name-specifier that qualifies this unresolved 1867ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration name. 1868f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall NestedNameSpecifier *Qualifier; 18695953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 1870f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Whether the name includes explicit template arguments. 1871f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool HasExplicitTemplateArgs; 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1873f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall DependentScopeDeclRefExpr(QualType T, 1874f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall NestedNameSpecifier *Qualifier, 1875f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceRange QualifierRange, 18762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1877bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor const TemplateArgumentListInfo *Args); 1878f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1879f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCallpublic: 1880f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static DependentScopeDeclRefExpr *Create(ASTContext &C, 1881f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall NestedNameSpecifier *Qualifier, 1882f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceRange QualifierRange, 18832577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 1884f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const TemplateArgumentListInfo *TemplateArgs = 0); 18855953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 188612dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis static DependentScopeDeclRefExpr *CreateEmpty(ASTContext &C, 1887def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasExplicitTemplateArgs, 188812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis unsigned NumTemplateArgs); 188912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 18905953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the name that this expression refers to. 18912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getNameInfo() const { return NameInfo; } 18922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setNameInfo(const DeclarationNameInfo &N) { NameInfo = N; } 18932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 18942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name that this expression refers to. 18952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getDeclName() const { return NameInfo.getName(); } 18962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setDeclName(DeclarationName N) { NameInfo.setName(N); } 18975953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 18985953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the location of the name within the expression. 18992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLocation() const { return NameInfo.getLoc(); } 19002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setLocation(SourceLocation L) { NameInfo.setLoc(L); } 19015953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 19025953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor /// \brief Retrieve the source range of the nested-name-specifier. 19035953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor SourceRange getQualifierRange() const { return QualifierRange; } 190412dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis void setQualifierRange(SourceRange R) { QualifierRange = R; } 19055953d8b37f92f0cf548941f617c9b0a7703df33bDouglas Gregor 1906ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies this 1907ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// declaration. 1908edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor NestedNameSpecifier *getQualifier() const { return Qualifier; } 190912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis void setQualifier(NestedNameSpecifier *NNS) { Qualifier = NNS; } 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1911f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Determines whether this lookup had explicit template arguments. 1912f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall bool hasExplicitTemplateArgs() const { return HasExplicitTemplateArgs; } 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1914f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // Note that, inconsistently with the explicit-template-argument AST 1915f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // nodes, users are *forbidden* from calling these methods on objects 1916f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall // without explicit template arguments. 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 191812dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 191912dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis assert(hasExplicitTemplateArgs()); 192012dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis return *reinterpret_cast<ExplicitTemplateArgumentList*>(this + 1); 192112dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis } 192212dffcddb60380c5bed4f085a1f51534afda3b87Argyrios Kyrtzidis 1923f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// Gets a reference to the explicit template argument list. 1924f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 1925f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall assert(hasExplicitTemplateArgs()); 1926f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList*>(this + 1); 1927f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1929096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 1930096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 1931096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 1932096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 1933096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 1934096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 1935096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 1936096832c5ed5b9106fa177ebc148489760c3bc496John McCall 1937f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// \brief Copies the template arguments (if present) into the given 1938f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall /// structure. 1939f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 1940f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall getExplicitTemplateArgs().copyInto(List); 1941f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 1942f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 1943f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getLAngleLoc() const { 1944f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().LAngleLoc; 1945edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1947f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceLocation getRAngleLoc() const { 1948f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().RAngleLoc; 1949f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1951f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall TemplateArgumentLoc const *getTemplateArgs() const { 1952f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().getTemplateArgs(); 1953d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 1954d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1955f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall unsigned getNumTemplateArgs() const { 1956f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return getExplicitTemplateArgs().NumTemplateArgs; 1957f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall } 19581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 195963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1960f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall SourceRange Range(QualifierRange.getBegin(), getLocation()); 1961f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall if (hasExplicitTemplateArgs()) 1962f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall Range.setEnd(getRAngleLoc()); 1963f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return Range; 1964edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 1967f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall return T->getStmtClass() == DependentScopeDeclRefExprClass; 1968edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor } 1969f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall static bool classof(const DependentScopeDeclRefExpr *) { return true; } 1970f7a1a744eba4b29ceb0f20af8f34515d892fdd64John McCall 197163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 19724045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 19734045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 19744045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 1975edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor}; 19761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19774765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// Represents an expression --- generally a full-expression --- which 19784765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// introduces cleanups to be run at the end of the sub-expression's 19794765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// evaluation. The most common source of expression-introduced 19804765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// cleanups is temporary objects in C++, but several other C++ 19814765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall/// expressions can create cleanups. 19824765fa05b5652fcc4356371c2f481d0ea9a1b007John McCallclass ExprWithCleanups : public Expr { 198302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Stmt *SubExpr; 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1985ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson CXXTemporary **Temps; 1986ff6b3d64c9f07155f1414411b8451d7bf8937c62Anders Carlsson unsigned NumTemps; 198702bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 19884765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(ASTContext &C, Expr *SubExpr, 19894765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall CXXTemporary **Temps, unsigned NumTemps); 19904765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall 199188eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlssonpublic: 19924765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups(EmptyShell Empty) 19934765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall : Expr(ExprWithCleanupsClass, Empty), 1994d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner SubExpr(0), Temps(0), NumTemps(0) {} 1995d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 19964765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static ExprWithCleanups *Create(ASTContext &C, Expr *SubExpr, 19970ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson CXXTemporary **Temps, 19980ece491d8f62ce67f047491a6703fac0d3bd4ff4Anders Carlsson unsigned NumTemps); 19991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200088eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson unsigned getNumTemporaries() const { return NumTemps; } 2001d04ed416be7c55bddddab1fa3fd38a0113a6b3daTed Kremenek void setNumTemporaries(ASTContext &C, unsigned N); 2002d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner 200388eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson CXXTemporary *getTemporary(unsigned i) { 200488eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson assert(i < NumTemps && "Index out of range"); 200588eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson return Temps[i]; 200688eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson } 2007f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const CXXTemporary *getTemporary(unsigned i) const { 20084765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return const_cast<ExprWithCleanups*>(this)->getTemporary(i); 2009f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson } 2010d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner void setTemporary(unsigned i, CXXTemporary *T) { 2011d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner assert(i < NumTemps && "Index out of range"); 2012d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner Temps[i] = T; 2013d2598368876cfe40bc8465540033bc5b5e58d8afChris Lattner } 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201502bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson Expr *getSubExpr() { return cast<Expr>(SubExpr); } 2016f0721fe438d7e40c168e5d664970e7830bc138fbAnders Carlsson const Expr *getSubExpr() const { return cast<Expr>(SubExpr); } 201788eaf075c56672761b72cc50957db4a35bf24ebdAnders Carlsson void setSubExpr(Expr *E) { SubExpr = E; } 201802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 201963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 202096be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor return SubExpr->getSourceRange(); 202196be6917e1c4ba1f4435a14c9e7c6c139571d086Douglas Gregor } 202202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 202302bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Implement isa/cast/dyncast/etc. 202402bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson static bool classof(const Stmt *T) { 20254765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return T->getStmtClass() == ExprWithCleanupsClass; 202602bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson } 20274765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall static bool classof(const ExprWithCleanups *) { return true; } 202802bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 202902bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson // Iterators 203063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubExpr, &SubExpr + 1); } 203102bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson}; 203202bbfa33590dfe3107e801fb526b7ab0bdfd00eeAnders Carlsson 2033d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \brief Describes an explicit type conversion that uses functional 2034d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// notion but could not be resolved because one or more arguments are 2035d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. 2036d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2037d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// The explicit type conversions expressed by 2038d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// CXXUnresolvedConstructExpr have the form \c T(a1, a2, ..., aN), 2039d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// where \c T is some type and \c a1, a2, ..., aN are values, and 2040d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// either \C T is a dependent type or one or more of the \c a's is 2041d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// type-dependent. For example, this would occur in a template such 2042d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// as: 2043d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2044d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \code 2045d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// template<typename T, typename A1> 2046d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// inline T make_a(const A1& a1) { 2047d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// return T(a1); 2048d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// } 2049d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// \endcode 2050d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// 2051d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// When the returned expression is instantiated, it may resolve to a 2052d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// constructor call, conversion function call, or some kind of type 2053d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor/// conversion. 2054d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorclass CXXUnresolvedConstructExpr : public Expr { 2055d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The type being constructed. 2056ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type; 2057ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2058d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the left parentheses ('('). 2059d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc; 2060d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2061d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The location of the right parentheses (')'). 2062d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc; 2063d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2064d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief The number of arguments used to construct the type. 2065d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs; 20661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2067ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor CXXUnresolvedConstructExpr(TypeSourceInfo *Type, 2068d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2069d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2070d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2071d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2072d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 20738dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis CXXUnresolvedConstructExpr(EmptyShell Empty, unsigned NumArgs) 2074ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor : Expr(CXXUnresolvedConstructExprClass, Empty), Type(), NumArgs(NumArgs) { } 20758dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2076ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor friend class ASTStmtReader; 2077ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2078d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregorpublic: 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static CXXUnresolvedConstructExpr *Create(ASTContext &C, 2080ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *Type, 2081d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation LParenLoc, 2082d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr **Args, 2083d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned NumArgs, 2084d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation RParenLoc); 2085d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 20868dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXUnresolvedConstructExpr *CreateEmpty(ASTContext &C, 20878dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis unsigned NumArgs); 20888dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2089d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the type that is being constructed, as specified 2090d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// in the source code. 2091ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor QualType getTypeAsWritten() const { return Type->getType(); } 2092d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2093ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// \brief Retrieve the type source information for the type being 2094ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor /// constructed. 2095ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor TypeSourceInfo *getTypeSourceInfo() const { return Type; } 2096ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 2097d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the left parentheses ('(') that 2098d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// precedes the argument list. 2099d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 2100d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 2101d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2102d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the location of the right parentheses (')') that 2103d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// follows the argument list. 2104d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2105d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 2106d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2107d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor /// \brief Retrieve the number of arguments. 2108d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor unsigned arg_size() const { return NumArgs; } 2109d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2110d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor typedef Expr** arg_iterator; 2111d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_begin() { return reinterpret_cast<Expr**>(this + 1); } 2112d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor arg_iterator arg_end() { return arg_begin() + NumArgs; } 2113d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21141dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall typedef const Expr* const * const_arg_iterator; 21151dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_begin() const { 21161dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return reinterpret_cast<const Expr* const *>(this + 1); 21171dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21181dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const_arg_iterator arg_end() const { 21191dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return arg_begin() + NumArgs; 21201dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21211dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2122d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor Expr *getArg(unsigned I) { 2123d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor assert(I < NumArgs && "Argument index out-of-range"); 2124d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return *(arg_begin() + I); 2125d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2126d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 21271dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const Expr *getArg(unsigned I) const { 21281dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(I < NumArgs && "Argument index out-of-range"); 21291dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall return *(arg_begin() + I); 21301dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 21311dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 21328dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setArg(unsigned I, Expr *E) { 21338dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis assert(I < NumArgs && "Argument index out-of-range"); 21348dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis *(arg_begin() + I) = E; 21358dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 21368dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 213763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 2138ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2140d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor return T->getStmtClass() == CXXUnresolvedConstructExprClass; 2141d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor } 2142d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor static bool classof(const CXXUnresolvedConstructExpr *) { return true; } 2143d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2144d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor // Iterators 214563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 214663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin = reinterpret_cast<Stmt**>(this+1); 214763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, begin + NumArgs); 214863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2149d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor}; 2150d81e6ca6e378c3996a139066a5c4b7fc1869630cDouglas Gregor 2151ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// \brief Represents a C++ member access expression where the actual 2152ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// member referenced could not be resolved because the base 2153ba13543329afac4a0d01304ec2ec4924d99306a6John McCall/// expression or the member name was dependent. 2154aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2155aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// Like UnresolvedMemberExprs, these can be either implicit or 2156aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// explicit accesses. It is only possible to get one of these with 2157aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// an implicit access if a qualifier is provided. 2158865d447ac6a4721ab58e898d014a21f2eff74b06John McCallclass CXXDependentScopeMemberExpr : public Expr { 21591c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The expression for the base pointer or class reference, 2160aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// e.g., the \c x in x.f. Can be null in implicit accesses. 21611c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor Stmt *Base; 21621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2163aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief The type of the base expression. Never null, even for 2164aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// implicit accesses. 2165aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType BaseType; 2166aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 21671c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Whether this member expression used the '->' operator or 21681c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// the '.' operator. 21693b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor bool IsArrow : 1; 21701c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 21713b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Whether this member expression has explicitly-specified template 21723b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// arguments. 2173aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool HasExplicitTemplateArgs : 1; 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21751c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The location of the '->' or '.' operator. 21761c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation OperatorLoc; 21771c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2178a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The nested-name-specifier that precedes the member name, if any. 2179a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor NestedNameSpecifier *Qualifier; 21801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2181a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief The source range covering the nested name specifier. 2182a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor SourceRange QualifierRange; 21831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2184c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief In a qualified member access expression such as t->Base::f, this 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// member stores the resolves of name lookup in the context of the member 2186c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// access expression, to be used at instantiation time. 2187c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2188c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// FIXME: This member, along with the Qualifier and QualifierRange, could 2189c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// be stuck into a structure that is optionally allocated at the end of 2190865d447ac6a4721ab58e898d014a21f2eff74b06John McCall /// the CXXDependentScopeMemberExpr, to save space in the common case. 2191c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor NamedDecl *FirstQualifierFoundInScope; 21921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21931c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief The member to which this member expression refers, which 21941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// can be name, overloaded operator, or destructor. 2195a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// FIXME: could also be a template-id 21962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo; 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2198865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2199aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22003b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22013b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NestedNameSpecifier *Qualifier, 22023b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceRange QualifierRange, 22033b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2205d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22071c0ca59416999129d0439c2661d137ef38e86209Douglas Gregorpublic: 2208865d447ac6a4721ab58e898d014a21f2eff74b06John McCall CXXDependentScopeMemberExpr(ASTContext &C, 2209bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Expr *Base, QualType BaseType, 2210bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool IsArrow, 2211bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation OperatorLoc, 2212bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NestedNameSpecifier *Qualifier, 2213bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceRange QualifierRange, 2214bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 2215bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor DeclarationNameInfo MemberNameInfo); 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2217865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static CXXDependentScopeMemberExpr * 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Create(ASTContext &C, 2219aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 22203b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceLocation OperatorLoc, 22213b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NestedNameSpecifier *Qualifier, 22223b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor SourceRange QualifierRange, 22233b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor NamedDecl *FirstQualifierFoundInScope, 22242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo MemberNameInfo, 2225d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *TemplateArgs); 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22278dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis static CXXDependentScopeMemberExpr * 2228def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2229def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 22308dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 2231aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2232aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2233aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 2234aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool isImplicitAccess() const { return Base == 0; } 2235aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22361c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the base object of this member expressions, 22371c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// e.g., the \c x in \c x.m. 2238aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() const { 2239aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2240aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2241aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 22421c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor void setBase(Expr *E) { Base = E; } 22431c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2244aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 22458dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setBaseType(QualType T) { BaseType = T; } 2246aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 22471c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Determine whether this member expression used the '->' 22481c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// operator; otherwise, it used the '.' operator. 22491c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor bool isArrow() const { return IsArrow; } 22501c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor void setArrow(bool A) { IsArrow = A; } 22511c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 22521c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the location of the '->' or '.' operator. 22531c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 22541c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor void setOperatorLoc(SourceLocation L) { OperatorLoc = L; } 22551c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2256a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the nested-name-specifier that qualifies the member 2257a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// name. 2258a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor NestedNameSpecifier *getQualifier() const { return Qualifier; } 22598dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setQualifier(NestedNameSpecifier *NNS) { Qualifier = NNS; } 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2261a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// \brief Retrieve the source range covering the nested-name-specifier 2262a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor /// that qualifies the member name. 2263a38c687ef5354678b9d76a7b29354159f2b83736Douglas Gregor SourceRange getQualifierRange() const { return QualifierRange; } 22648dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setQualifierRange(SourceRange R) { QualifierRange = R; } 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2266c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// \brief Retrieve the first part of the nested-name-specifier that was 2267c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// found in the scope of the member access expression when the member access 2268c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// was initially parsed. 2269c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// 2270c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// This function only returns a useful result when member access expression 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// uses a qualified member name, e.g., "x.Base::f". Here, the declaration 22721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returned by this function describes what was found by unqualified name 2273c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// lookup for the identifier "Base" within the scope of the member access 2274c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself. At template instantiation time, this information is 2275c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// combined with the results of name lookup into the type of the object 2276c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor /// expression itself (the class type of x). 22771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *getFirstQualifierFoundInScope() const { 2278c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor return FirstQualifierFoundInScope; 2279c68afe2cbe7f875a9243c411077602fb5f5dc74bDouglas Gregor } 22808dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void setFirstQualifierFoundInScope(NamedDecl *D) { 22818dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis FirstQualifierFoundInScope = D; 22828dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 22831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22841c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// \brief Retrieve the name of the member that this expression 22851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor /// refers to. 22862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { 22872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return MemberNameInfo; 22882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 22892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setMemberNameInfo(const DeclarationNameInfo &N) { MemberNameInfo = N; } 22902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 22912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the name of the member that this expression 22922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 22932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getMember() const { return MemberNameInfo.getName(); } 22942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setMember(DeclarationName N) { MemberNameInfo.setName(N); } 22951c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 22961c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // \brief Retrieve the location of the name of the member that this 22971c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // expression refers to. 22982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getMemberLoc() const { return MemberNameInfo.getLoc(); } 22992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setMemberLoc(SourceLocation L) { MemberNameInfo.setLoc(L); } 23001c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23013b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Determines whether this member expression actually had a C++ 23023b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template argument list explicitly specified, e.g., x.f<int>. 2303aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool hasExplicitTemplateArgs() const { 2304aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return HasExplicitTemplateArgs; 23053b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 230836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2309096832c5ed5b9106fa177ebc148489760c3bc496John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 231036c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis assert(HasExplicitTemplateArgs); 2311096832c5ed5b9106fa177ebc148489760c3bc496John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 231236c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 231336c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 231436c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// \brief Retrieve the explicit template argument list that followed the 231536c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis /// member template name, if any. 2316096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 231736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis return const_cast<CXXDependentScopeMemberExpr *>(this) 2318096832c5ed5b9106fa177ebc148489760c3bc496John McCall ->getExplicitTemplateArgs(); 2319096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2320096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2321096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2322096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2323096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2324096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2325096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2326096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 232736c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis } 232836c76f0bea0d3595a25a5362225c642019cc3176Argyrios Kyrtzidis 2329d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// \brief Copies the template arguments (if present) into the given 2330d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall /// structure. 2331d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 2332096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().copyInto(List); 2333d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall } 2334d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23358dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis /// \brief Initializes the template arguments using the given structure. 23368dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis void initializeTemplateArgumentsFrom(const TemplateArgumentListInfo &List) { 2337096832c5ed5b9106fa177ebc148489760c3bc496John McCall getExplicitTemplateArgs().initializeFrom(List); 23388dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis } 23398dfbd8b252ba4e6cf4b7a3422f6ef0ca21312dfeArgyrios Kyrtzidis 23401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the left angle bracket following the 23413b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// member name ('<'), if any. 23421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getLAngleLoc() const { 2343096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().LAngleLoc; 23443b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23463b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the template arguments provided as part of this 23473b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 2348833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *getTemplateArgs() const { 2349096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().getTemplateArgs(); 23503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23523b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// \brief Retrieve the number of template arguments provided as part of this 23533b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template-id. 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumTemplateArgs() const { 2355096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().NumTemplateArgs; 23563b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieve the location of the right angle bracket following the 23593b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor /// template arguments ('>'). 23601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getRAngleLoc() const { 2361096832c5ed5b9106fa177ebc148489760c3bc496John McCall return getExplicitTemplateArgs().RAngleLoc; 23623b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor } 23631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 2365aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall SourceRange Range; 2366aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2367aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 2368aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 2369aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(getQualifierRange().getBegin()); 2370aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setBegin(MemberNameInfo.getBeginLoc()); 23721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2373aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (hasExplicitTemplateArgs()) 2374aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setEnd(getRAngleLoc()); 2375aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else 23762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Range.setEnd(MemberNameInfo.getEndLoc()); 2377aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return Range; 23781c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 23791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 2381865d447ac6a4721ab58e898d014a21f2eff74b06John McCall return T->getStmtClass() == CXXDependentScopeMemberExprClass; 23821c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor } 2383865d447ac6a4721ab58e898d014a21f2eff74b06John McCall static bool classof(const CXXDependentScopeMemberExpr *) { return true; } 23841c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 23851c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor // Iterators 238663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 238763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 238863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 238963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 23904045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis 23914045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtReader; 23924045107b7384fd68eed5e3e2f06fc2a47e7be0a6Argyrios Kyrtzidis friend class ASTStmtWriter; 23931c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor}; 23941c0ca59416999129d0439c2661d137ef38e86209Douglas Gregor 2395129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall/// \brief Represents a C++ member access expression for which lookup 2396aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// produced a set of overloaded functions. 2397aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2398aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// The member access may be explicit or implicit: 2399aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// struct A { 2400aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int a, b; 2401aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int explicitAccess() { return this->a + this->A::b; } 2402aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// int implicitAccess() { return a + A::b; } 2403aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// }; 2404aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// 2405aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// In the final AST, an explicit access always becomes a MemberExpr. 2406aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// An implicit access may become either a MemberExpr or a 2407aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall/// DeclRefExpr, depending on whether the member is static. 24087bb12da2b0749eeebb21854c77877736969e59f2John McCallclass UnresolvedMemberExpr : public OverloadExpr { 2409129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether this member expression used the '->' operator or 2410129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the '.' operator. 2411129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool IsArrow : 1; 2412129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2413129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Whether the lookup results contain an unresolved using 2414129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// declaration. 2415129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool HasUnresolvedUsing : 1; 2416129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 24177bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The expression for the base pointer or class reference, 24187bb12da2b0749eeebb21854c77877736969e59f2John McCall /// e.g., the \c x in x.f. This can be null if this is an 'unbased' 24197bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member expression 24207bb12da2b0749eeebb21854c77877736969e59f2John McCall Stmt *Base; 24217bb12da2b0749eeebb21854c77877736969e59f2John McCall 24227bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief The type of the base expression; never null. 24237bb12da2b0749eeebb21854c77877736969e59f2John McCall QualType BaseType; 2424129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2425129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief The location of the '->' or '.' operator. 2426129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc; 2427129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2428bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor UnresolvedMemberExpr(ASTContext &C, bool HasUnresolvedUsing, 2429aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2430129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 2431129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall NestedNameSpecifier *Qualifier, 2432129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceRange QualifierRange, 24332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24345a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24355a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2436a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2437a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis UnresolvedMemberExpr(EmptyShell Empty) 2438a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis : OverloadExpr(UnresolvedMemberExprClass, Empty), IsArrow(false), 2439a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis HasUnresolvedUsing(false), Base(0) { } 2440129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2441129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCallpublic: 2442129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static UnresolvedMemberExpr * 2443bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Create(ASTContext &C, bool HasUnresolvedUsing, 2444aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *Base, QualType BaseType, bool IsArrow, 2445129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation OperatorLoc, 2446129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall NestedNameSpecifier *Qualifier, 2447129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceRange QualifierRange, 24482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &MemberNameInfo, 24495a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor const TemplateArgumentListInfo *TemplateArgs, 24505a84dec38cfa9e084377a3167b474c79283c82faDouglas Gregor UnresolvedSetIterator Begin, UnresolvedSetIterator End); 2451129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2452a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis static UnresolvedMemberExpr * 2453def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor CreateEmpty(ASTContext &C, bool HasExplicitTemplateArgs, 2454def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor unsigned NumTemplateArgs); 2455a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2456aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// \brief True if this is an implicit access, i.e. one in which the 2457aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// member being accessed was not written in the source. The source 2458aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall /// location of the operator is invalid in this case. 2459aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall bool isImplicitAccess() const { return Base == 0; } 2460aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2461129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the base object of this member expressions, 2462129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// e.g., the \c x in \c x.m. 2463aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Expr *getBase() { 2464aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall assert(!isImplicitAccess()); 2465aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall return cast<Expr>(Base); 2466aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall } 24672f27bf854f0519810b34afd209089cc75536b757John McCall const Expr *getBase() const { 24682f27bf854f0519810b34afd209089cc75536b757John McCall assert(!isImplicitAccess()); 24692f27bf854f0519810b34afd209089cc75536b757John McCall return cast<Expr>(Base); 24702f27bf854f0519810b34afd209089cc75536b757John McCall } 2471129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void setBase(Expr *E) { Base = E; } 2472129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2473aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall QualType getBaseType() const { return BaseType; } 2474a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis void setBaseType(QualType T) { BaseType = T; } 2475a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis 2476a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// \brief Determine whether the lookup results contain an unresolved using 2477a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis /// declaration. 2478a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis bool hasUnresolvedUsing() const { return HasUnresolvedUsing; } 2479a77eb0862507b900a10fa352af1568e639ed10b1Argyrios Kyrtzidis void setHasUnresolvedUsing(bool V) { HasUnresolvedUsing = V; } 2480aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2481129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Determine whether this member expression used the '->' 2482129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// operator; otherwise, it used the '.' operator. 2483129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isArrow() const { return IsArrow; } 2484129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void setArrow(bool A) { IsArrow = A; } 2485129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2486129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the '->' or '.' operator. 2487129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getOperatorLoc() const { return OperatorLoc; } 2488129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void setOperatorLoc(SourceLocation L) { OperatorLoc = L; } 2489129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2490c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall /// \brief Retrieves the naming class of this lookup. 2491c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall CXXRecordDecl *getNamingClass() const; 2492c373d48502ca7683ab55385f5bd624d778eb288dJohn McCall 24932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// \brief Retrieve the full name info for the member that this expression 24942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// refers to. 24952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &getMemberNameInfo() const { return getNameInfo(); } 24962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setMemberNameInfo(const DeclarationNameInfo &N) { setNameInfo(N); } 24972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 2498129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the name of the member that this expression 2499129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// refers to. 25007bb12da2b0749eeebb21854c77877736969e59f2John McCall DeclarationName getMemberName() const { return getName(); } 25017bb12da2b0749eeebb21854c77877736969e59f2John McCall void setMemberName(DeclarationName N) { setName(N); } 2502129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2503129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // \brief Retrieve the location of the name of the member that this 2504129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // expression refers to. 25057bb12da2b0749eeebb21854c77877736969e59f2John McCall SourceLocation getMemberLoc() const { return getNameLoc(); } 25067bb12da2b0749eeebb21854c77877736969e59f2John McCall void setMemberLoc(SourceLocation L) { setNameLoc(L); } 2507129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25087bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25097bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name. 25107bb12da2b0749eeebb21854c77877736969e59f2John McCall ExplicitTemplateArgumentList &getExplicitTemplateArgs() { 25117bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25127bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<ExplicitTemplateArgumentList *>(this + 1); 25137bb12da2b0749eeebb21854c77877736969e59f2John McCall } 25147bb12da2b0749eeebb21854c77877736969e59f2John McCall 25157bb12da2b0749eeebb21854c77877736969e59f2John McCall /// \brief Retrieve the explicit template argument list that followed the 25167bb12da2b0749eeebb21854c77877736969e59f2John McCall /// member template name, if any. 25177bb12da2b0749eeebb21854c77877736969e59f2John McCall const ExplicitTemplateArgumentList &getExplicitTemplateArgs() const { 25187bb12da2b0749eeebb21854c77877736969e59f2John McCall assert(hasExplicitTemplateArgs()); 25197bb12da2b0749eeebb21854c77877736969e59f2John McCall return *reinterpret_cast<const ExplicitTemplateArgumentList *>(this + 1); 2520129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2521129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2522096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// \brief Retrieves the optional explicit template arguments. 2523096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// This points to the same data as getExplicitTemplateArgs(), but 2524096832c5ed5b9106fa177ebc148489760c3bc496John McCall /// returns null if there are no explicit template arguments. 2525096832c5ed5b9106fa177ebc148489760c3bc496John McCall const ExplicitTemplateArgumentList *getOptionalExplicitTemplateArgs() { 2526096832c5ed5b9106fa177ebc148489760c3bc496John McCall if (!hasExplicitTemplateArgs()) return 0; 2527096832c5ed5b9106fa177ebc148489760c3bc496John McCall return &getExplicitTemplateArgs(); 2528096832c5ed5b9106fa177ebc148489760c3bc496John McCall } 2529096832c5ed5b9106fa177ebc148489760c3bc496John McCall 2530129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Copies the template arguments into the given structure. 2531129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall void copyTemplateArgumentsInto(TemplateArgumentListInfo &List) const { 25327bb12da2b0749eeebb21854c77877736969e59f2John McCall getExplicitTemplateArgs().copyInto(List); 2533129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2534129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2535129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the left angle bracket following 2536129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// the member name ('<'). 2537129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getLAngleLoc() const { 25387bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().LAngleLoc; 2539129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2540129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2541129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the template arguments provided as part of this 2542129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// template-id. 2543129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall const TemplateArgumentLoc *getTemplateArgs() const { 25447bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().getTemplateArgs(); 2545129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2546129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2547129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the number of template arguments provided as 2548129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// part of this template-id. 2549129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall unsigned getNumTemplateArgs() const { 25507bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().NumTemplateArgs; 2551129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2552129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2553129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief Retrieve the location of the right angle bracket 2554129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// following the template arguments ('>'). 2555129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall SourceLocation getRAngleLoc() const { 25567bb12da2b0749eeebb21854c77877736969e59f2John McCall return getExplicitTemplateArgs().RAngleLoc; 2557129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2558129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 255963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 25602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange Range = getMemberNameInfo().getSourceRange(); 2561aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall if (!isImplicitAccess()) 2562aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(Base->getSourceRange().getBegin()); 2563aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall else if (getQualifier()) 2564aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall Range.setBegin(getQualifierRange().getBegin()); 2565aa81e1658d87b9011125c632aa902d154ae4b02cJohn McCall 2566129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall if (hasExplicitTemplateArgs()) 2567129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall Range.setEnd(getRAngleLoc()); 2568129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return Range; 2569129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2570129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2571129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const Stmt *T) { 2572129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return T->getStmtClass() == UnresolvedMemberExprClass; 2573129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 2574129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall static bool classof(const UnresolvedMemberExpr *) { return true; } 2575129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 2576129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall // Iterators 257763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 257863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (isImplicitAccess()) return child_range(); 257963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Base, &Base + 1); 258063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2581129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall}; 2582129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 25832e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// \brief Represents a C++0x noexcept expression (C++ [expr.unary.noexcept]). 25842e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// 25852e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// The noexcept expression tests whether a given expression might throw. Its 25862e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl/// result is a boolean constant. 25872e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlclass CXXNoexceptExpr : public Expr { 25882e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool Value : 1; 25892e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Stmt *Operand; 25902e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceRange Range; 25912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2592c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl friend class ASTStmtReader; 2593c8aecc2dfb2e393d9eeaedeca22ff8cd7149af81Sebastian Redl 25942e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redlpublic: 25952e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl CXXNoexceptExpr(QualType Ty, Expr *Operand, CanThrowResult Val, 25962e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl SourceLocation Keyword, SourceLocation RParen) 2597f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CXXNoexceptExprClass, Ty, VK_RValue, OK_Ordinary, 2598f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent*/false, 2599bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent*/Val == CT_Dependent, 2600bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Operand->containsUnexpandedParameterPack()), 26016b219d082434394c1ac401390ec1d1967727815aSebastian Redl Value(Val == CT_Cannot), Operand(Operand), Range(Keyword, RParen) 26026b219d082434394c1ac401390ec1d1967727815aSebastian Redl { } 26036b219d082434394c1ac401390ec1d1967727815aSebastian Redl 26046b219d082434394c1ac401390ec1d1967727815aSebastian Redl CXXNoexceptExpr(EmptyShell Empty) 26056b219d082434394c1ac401390ec1d1967727815aSebastian Redl : Expr(CXXNoexceptExprClass, Empty) 26062e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl { } 26072e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26082e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl Expr *getOperand() const { return static_cast<Expr*>(Operand); } 26092e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 261063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return Range; } 26112e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26122e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl bool getValue() const { return Value; } 26132e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26142e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const Stmt *T) { 26152e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl return T->getStmtClass() == CXXNoexceptExprClass; 26162e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl } 26172e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl static bool classof(const CXXNoexceptExpr *) { return true; } 26182e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 26192e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl // Iterators 262063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Operand, &Operand + 1); } 26212e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl}; 26222e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl 2623be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \brief Represents a C++0x pack expansion that produces a sequence of 2624be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expressions. 2625be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2626be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// A pack expansion expression contains a pattern (which itself is an 2627be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// expression) followed by an ellipsis. For example: 2628be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2629be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \code 2630be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template<typename F, typename ...Types> 2631be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// void forward(F f, Types &&...args) { 2632be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// f(static_cast<Types&&>(args)...); 2633be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// } 2634be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// \endcode 2635be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// 2636be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// Here, the argument to the function object \c f is a pack expansion whose 2637be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// pattern is \c static_cast<Types&&>(args). When the \c forward function 2638be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// template is instantiated, the pack expansion will instantiate to zero or 2639be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor/// or more function arguments to the function object \c f. 2640be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorclass PackExpansionExpr : public Expr { 2641be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation EllipsisLoc; 264267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 264367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief The number of expansions that will be produced by this pack 264467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// expansion expression, if known. 264567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// 264667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// When zero, the number of expansions is not known. Otherwise, this value 264767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// is the number of expansions + 1. 264867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor unsigned NumExpansions; 264967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 2650be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Stmt *Pattern; 2651be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2652be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor friend class ASTStmtReader; 265367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor friend class ASTStmtWriter; 2654be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2655be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregorpublic: 265667fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor PackExpansionExpr(QualType T, Expr *Pattern, SourceLocation EllipsisLoc, 265767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> NumExpansions) 2658be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor : Expr(PackExpansionExprClass, T, Pattern->getValueKind(), 2659be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern->getObjectKind(), /*TypeDependent=*/true, 2660be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /*ValueDependent=*/true, /*ContainsUnexpandedParameterPack=*/false), 2661be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor EllipsisLoc(EllipsisLoc), 266267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1 : 0), 2663be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Pattern(Pattern) { } 2664be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2665be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor PackExpansionExpr(EmptyShell Empty) : Expr(PackExpansionExprClass, Empty) { } 2666be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2667be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2668be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Expr *getPattern() { return reinterpret_cast<Expr *>(Pattern); } 2669be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2670be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the pattern of the pack expansion. 2671be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor const Expr *getPattern() const { return reinterpret_cast<Expr *>(Pattern); } 2672be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2673be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// \brief Retrieve the location of the ellipsis that describes this pack 2674be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor /// expansion. 2675be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 2676be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 267767fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// \brief Determine the number of expansions that will be produced when 267867fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor /// this pack expansion is instantiated, if already known. 267967fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 268067fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor if (NumExpansions) 268167fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return NumExpansions - 1; 268267fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 268367fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor return llvm::Optional<unsigned>(); 268467fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor } 268567fd1251aad51bb80d050b7fa5e506fef0ec8e02Douglas Gregor 268663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 268763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(Pattern->getLocStart(), EllipsisLoc); 268863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2689be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2690be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const Stmt *T) { 2691be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor return T->getStmtClass() == PackExpansionExprClass; 2692be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor } 2693be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor static bool classof(const PackExpansionExpr *) { return true; } 2694be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2695be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor // Iterators 269663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 269763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Pattern, &Pattern + 1); 269863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2699be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor}; 2700be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 27017bb12da2b0749eeebb21854c77877736969e59f2John McCallinline ExplicitTemplateArgumentList &OverloadExpr::getExplicitTemplateArgs() { 27027bb12da2b0749eeebb21854c77877736969e59f2John McCall if (isa<UnresolvedLookupExpr>(this)) 27037bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedLookupExpr>(this)->getExplicitTemplateArgs(); 27047bb12da2b0749eeebb21854c77877736969e59f2John McCall else 27057bb12da2b0749eeebb21854c77877736969e59f2John McCall return cast<UnresolvedMemberExpr>(this)->getExplicitTemplateArgs(); 27067bb12da2b0749eeebb21854c77877736969e59f2John McCall} 27077bb12da2b0749eeebb21854c77877736969e59f2John McCall 2708ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \brief Represents an expression that computes the length of a parameter 2709ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// pack. 2710ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// 2711ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \code 2712ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// template<typename ...Types> 2713ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// struct count { 2714ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// static const unsigned value = sizeof...(Types); 2715ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// }; 2716ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor/// \endcode 2717ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorclass SizeOfPackExpr : public Expr { 2718ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the 'sizeof' keyword. 2719ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation OperatorLoc; 2720ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2721ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the name of the parameter pack. 2722ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc; 2723ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2724ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The location of the closing parenthesis. 2725ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation RParenLoc; 2726ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2727ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The length of the parameter pack, if known. 2728ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2729ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// When this expression is value-dependent, the length of the parameter pack 2730ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// is unknown. When this expression is not value-dependent, the length is 2731ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// known. 2732ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length; 2733ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2734ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief The parameter pack itself. 2735ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *Pack; 2736ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2737ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtReader; 2738ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor friend class ASTStmtWriter; 2739ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2740ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregorpublic: 2741ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates a value-dependent expression that computes the length of 2742ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack. 2743ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2744ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc) 2745ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2746ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/true, 2747ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2748ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2749ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(0), Pack(Pack) { } 2750ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2751ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Creates an expression that computes the length of 2752ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// the given parameter pack, which is already known. 2753ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(QualType SizeType, SourceLocation OperatorLoc, NamedDecl *Pack, 2754ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation PackLoc, SourceLocation RParenLoc, 2755ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned Length) 2756ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor : Expr(SizeOfPackExprClass, SizeType, VK_RValue, OK_Ordinary, 2757ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 2758ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2759ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor OperatorLoc(OperatorLoc), PackLoc(PackLoc), RParenLoc(RParenLoc), 2760ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor Length(Length), Pack(Pack) { } 2761ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2762ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Create an empty expression. 2763ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SizeOfPackExpr(EmptyShell Empty) : Expr(SizeOfPackExprClass, Empty) { } 2764ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2765ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the 'sizeof' keyword. 2766ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getOperatorLoc() const { return OperatorLoc; } 2767ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2768ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the parameter pack. 2769ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getPackLoc() const { return PackLoc; } 2770ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2771ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Determine the location of the right parenthesis. 2772ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 2773ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2774ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the parameter pack. 2775ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor NamedDecl *getPack() const { return Pack; } 2776ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2777ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// \brief Retrieve the length of the parameter pack. 2778ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor /// 2779c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// This routine may only be invoked when the expression is not 2780c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// value-dependent. 2781ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor unsigned getPackLength() const { 2782ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor assert(!isValueDependent() && 2783ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor "Cannot get the length of a value-dependent pack size expression"); 2784ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return Length; 2785ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2786ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 278763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 278863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return SourceRange(OperatorLoc, RParenLoc); 278963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 2790ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2791ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const Stmt *T) { 2792ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor return T->getStmtClass() == SizeOfPackExprClass; 2793ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor } 2794ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor static bool classof(const SizeOfPackExpr *) { return true; } 2795ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 2796ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor // Iterators 279763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2798ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor}; 2799c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2800c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// \brief Represents a reference to a non-type template parameter pack that 2801c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// has been substituted with a non-template argument pack. 2802c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// 2803c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 2804c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// and those parameter packs correspond to different levels of template 2805c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter lists, this node node is used to represent a non-type template 2806c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 2807c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// substituted but that still lives within a pack expansion that itself 2808c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// could not be instantiated. When actually performing a substitution into 2809c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 2810c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// arguments), this type will be replaced with the appropriate underlying 2811c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor/// expression at the current pack substitution index. 2812c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorclass SubstNonTypeTemplateParmPackExpr : public Expr { 2813c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The non-type template parameter pack itself. 2814c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param; 2815c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2816c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief A pointer to the set of template arguments that this 2817c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// parameter pack is instantiated with. 2818c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument *Arguments; 2819c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2820c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The number of template arguments in \c Arguments. 2821c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor unsigned NumArguments; 2822c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2823c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief The location of the non-type template parameter pack reference. 2824c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc; 2825c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2826c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtReader; 2827c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor friend class ASTStmtWriter; 2828c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2829c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregorpublic: 2830c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(QualType T, 2831c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *Param, 2832c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation NameLoc, 2833c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor const TemplateArgument &ArgPack); 2834c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2835c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SubstNonTypeTemplateParmPackExpr(EmptyShell Empty) 2836c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor : Expr(SubstNonTypeTemplateParmPackExprClass, Empty) { } 2837c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2838c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the non-type template parameter pack being substituted. 2839c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor NonTypeTemplateParmDecl *getParameterPack() const { return Param; } 2840c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2841c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the location of the parameter pack name. 2842c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor SourceLocation getParameterPackLocation() const { return NameLoc; } 2843c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2844c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// \brief Retrieve the template argument pack containing the substituted 2845c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor /// template arguments. 2846c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor TemplateArgument getArgumentPack() const; 2847c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 284863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return NameLoc; } 2849c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2850c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const Stmt *T) { 2851c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass; 2852c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2853c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor static bool classof(const SubstNonTypeTemplateParmPackExpr *) { 2854c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor return true; 2855c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor } 2856c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2857c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor // Iterators 285863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 2859c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor}; 2860ee8aff06f6a96214731de17b2cb6df407c6c1820Douglas Gregor 28615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 28625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2864