15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Expr.cpp - Expression AST Node Implementation --------------------===// 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 implements the Expr class and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14a4d55d89c8076b402bb168e3edeef0c2cd2a78c3Chris Lattner#include "clang/AST/APValue.h" 152eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner#include "clang/AST/ASTContext.h" 162fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/Attr.h" 1798cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor#include "clang/AST/DeclCXX.h" 182fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/DeclObjC.h" 19aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 2025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor#include "clang/AST/EvaluatedExprVisitor.h" 212fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/Expr.h" 222fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/ExprCXX.h" 23bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer#include "clang/AST/Mangle.h" 2419cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtVisitor.h" 261b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 273f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose#include "clang/Basic/CharInfo.h" 2808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner#include "clang/Basic/SourceManager.h" 29da5a6b6d9fd52899499d5b7b46273ec844dcaa6eChris Lattner#include "clang/Basic/TargetInfo.h" 302fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Lex/Lexer.h" 312fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Lex/LiteralSupport.h" 322fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Sema/SemaDiagnostic.h" 33cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor#include "llvm/Support/ErrorHandling.h" 343a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson#include "llvm/Support/raw_ostream.h" 35ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor#include <algorithm> 3664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman#include <cstring> 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 398d852e35adb46e0799538dfc9c80d44f27cd3597Rafael Espindolaconst CXXRecordDecl *Expr::getBestDynamicClassType() const { 40632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola const Expr *E = ignoreParenBaseCasts(); 410b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola 420b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola QualType DerivedType = E->getType(); 430b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola if (const PointerType *PTy = DerivedType->getAs<PointerType>()) 440b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola DerivedType = PTy->getPointeeType(); 450b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola 46251c449b280eb845017a6c022ed7189d17c63d49Rafael Espindola if (DerivedType->isDependentType()) 476bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 48251c449b280eb845017a6c022ed7189d17c63d49Rafael Espindola 490b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola const RecordType *Ty = DerivedType->castAs<RecordType>(); 500b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola Decl *D = Ty->getDecl(); 510b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola return cast<CXXRecordDecl>(D); 520b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola} 530b4fe503ef00d9f8ea330850d3e3b303e9c7c876Rafael Espindola 544e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smithconst Expr *Expr::skipRValueSubobjectAdjustments( 554e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith SmallVectorImpl<const Expr *> &CommaLHSs, 564e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith SmallVectorImpl<SubobjectAdjustment> &Adjustments) const { 570a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola const Expr *E = this; 580a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola while (true) { 590a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola E = E->IgnoreParens(); 600a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola 610a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola if (const CastExpr *CE = dyn_cast<CastExpr>(E)) { 620a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola if ((CE->getCastKind() == CK_DerivedToBase || 630a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola CE->getCastKind() == CK_UncheckedDerivedToBase) && 640a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola E->getType()->isRecordType()) { 650a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola E = CE->getSubExpr(); 660a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola CXXRecordDecl *Derived 670a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola = cast<CXXRecordDecl>(E->getType()->getAs<RecordType>()->getDecl()); 680a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola Adjustments.push_back(SubobjectAdjustment(CE, Derived)); 690a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola continue; 700a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 710a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola 720a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola if (CE->getCastKind() == CK_NoOp) { 730a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola E = CE->getSubExpr(); 740a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola continue; 750a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 760a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } else if (const MemberExpr *ME = dyn_cast<MemberExpr>(E)) { 77d6b698739ab157348acafcec5b06a05d3d35377dRichard Smith if (!ME->isArrow()) { 780a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola assert(ME->getBase()->getType()->isRecordType()); 790a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola if (FieldDecl *Field = dyn_cast<FieldDecl>(ME->getMemberDecl())) { 80d6b698739ab157348acafcec5b06a05d3d35377dRichard Smith if (!Field->isBitField() && !Field->getType()->isReferenceType()) { 81d1b55dcf6bd61d4350b01e15590bde9bb5a334bbRichard Smith E = ME->getBase(); 82d1b55dcf6bd61d4350b01e15590bde9bb5a334bbRichard Smith Adjustments.push_back(SubobjectAdjustment(Field)); 83d1b55dcf6bd61d4350b01e15590bde9bb5a334bbRichard Smith continue; 84d1b55dcf6bd61d4350b01e15590bde9bb5a334bbRichard Smith } 850a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 860a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 870a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } else if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { 880a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola if (BO->isPtrMemOp()) { 89ef4b666e841e3917385892713612888ec6c3a056Rafael Espindola assert(BO->getRHS()->isRValue()); 900a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola E = BO->getLHS(); 910a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola const MemberPointerType *MPT = 920a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola BO->getRHS()->getType()->getAs<MemberPointerType>(); 930a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola Adjustments.push_back(SubobjectAdjustment(MPT, BO->getRHS())); 944e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith continue; 954e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith } else if (BO->getOpcode() == BO_Comma) { 964e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith CommaLHSs.push_back(BO->getLHS()); 974e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith E = BO->getRHS(); 984e43dec4df9d7dd8e07b47bb15967f1b733a9bc6Richard Smith continue; 990a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 1000a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 1010a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola 1020a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola // Nothing changed. 1030a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola break; 1040a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola } 1050a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola return E; 1060a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola} 1070a7dd835184343ec9149277b668ecdc5d49fe8b0Rafael Espindola 1082b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner/// isKnownToHaveBooleanValue - Return true if this is an integer expression 1092b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner/// that is known to return 0 or 1. This happens for _Bool/bool expressions 1102b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner/// but also int expressions which are produced by things like comparisons in 1112b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner/// C. 1122b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattnerbool Expr::isKnownToHaveBooleanValue() const { 113f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const Expr *E = IgnoreParens(); 114f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 1152b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner // If this value has _Bool type, it is obvious 0/1. 116f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (E->getType()->isBooleanType()) return true; 117c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // If this is a non-scalar-integer type, we don't care enough to try. 118f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (!E->getType()->isIntegralOrEnumerationType()) return false; 119c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 120f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (const UnaryOperator *UO = dyn_cast<UnaryOperator>(E)) { 1212b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner switch (UO->getOpcode()) { 1222de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Plus: 1232b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return UO->getSubExpr()->isKnownToHaveBooleanValue(); 1246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case UO_LNot: 1256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return true; 1262b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner default: 1272b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return false; 1282b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner } 1292b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner } 130c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1316907fbe758d23e1aec4c0a67e7b633d1d855feb4John McCall // Only look through implicit casts. If the user writes 1326907fbe758d23e1aec4c0a67e7b633d1d855feb4John McCall // '(int) (a && b)' treat it as an arbitrary int. 133f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E)) 1342b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return CE->getSubExpr()->isKnownToHaveBooleanValue(); 135c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 136f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { 1372b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner switch (BO->getOpcode()) { 1382b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner default: return false; 1392de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LT: // Relational operators. 1402de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_GT: 1412de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LE: 1422de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_GE: 1432de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_EQ: // Equality operators. 1442de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_NE: 1452de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LAnd: // AND operator. 1462de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LOr: // Logical OR operator. 1472b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return true; 148c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1492de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_And: // Bitwise AND operator. 1502de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Xor: // Bitwise XOR operator. 1512de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Or: // Bitwise OR operator. 1522b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner // Handle things like (x==2)|(y==12). 1532b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return BO->getLHS()->isKnownToHaveBooleanValue() && 1542b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner BO->getRHS()->isKnownToHaveBooleanValue(); 155c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1562de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Comma: 1572de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Assign: 1582b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return BO->getRHS()->isKnownToHaveBooleanValue(); 1592b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner } 1602b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner } 161c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 162f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (const ConditionalOperator *CO = dyn_cast<ConditionalOperator>(E)) 1632b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return CO->getTrueExpr()->isKnownToHaveBooleanValue() && 1642b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner CO->getFalseExpr()->isKnownToHaveBooleanValue(); 165c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1662b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner return false; 1672b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner} 1682b334bb3126a67895813e49e6228dad4aec0b4d6Chris Lattner 16963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall// Amusing macro metaprogramming hack: check whether a class provides 17063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall// a more specific implementation of getExprLoc(). 17190e25a8b2cc5d006e4ced052bcdb40c8af999456Daniel Dunbar// 17290e25a8b2cc5d006e4ced052bcdb40c8af999456Daniel Dunbar// See also Stmt.cpp:{getLocStart(),getLocEnd()}. 17363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCallnamespace { 17463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// This implementation is used when a class provides a custom 17563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// implementation of getExprLoc. 17663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall template <class E, class T> 17763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLocImpl(const Expr *expr, 17863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation (T::*v)() const) { 17963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return static_cast<const E*>(expr)->getExprLoc(); 18063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 18163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 18263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// This implementation is used when a class doesn't provide 18363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// a custom implementation of getExprLoc. Overload resolution 18463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// should pick it over the implementation above because it's 18563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// more specialized according to function template partial ordering. 18663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall template <class E> 18763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation getExprLocImpl(const Expr *expr, 18863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceLocation (Expr::*v)() const) { 18990e25a8b2cc5d006e4ced052bcdb40c8af999456Daniel Dunbar return static_cast<const E*>(expr)->getLocStart(); 19063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 19163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall} 19263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 19363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCallSourceLocation Expr::getExprLoc() const { 19463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall switch (getStmtClass()) { 19563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall case Stmt::NoStmtClass: llvm_unreachable("statement without class"); 19663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#define ABSTRACT_STMT(type) 19763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#define STMT(type, base) \ 19863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall case Stmt::type##Class: llvm_unreachable(#type " is not an Expr"); break; 19963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#define EXPR(type, base) \ 20063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall case Stmt::type##Class: return getExprLocImpl<type>(this, &type::getExprLoc); 20163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#include "clang/AST/StmtNodes.inc" 20263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 20363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall llvm_unreachable("unknown statement kind"); 20463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall} 20563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 210561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor/// \brief Compute the type-, value-, and instantiation-dependence of a 211561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor/// declaration reference 212d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor/// based on the declaration being referenced. 2139db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig Topperstatic void computeDeclRefDependence(const ASTContext &Ctx, NamedDecl *D, 2149db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig Topper QualType T, bool &TypeDependent, 215561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &ValueDependent, 216561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent) { 217d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor TypeDependent = false; 218d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = false; 219561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = false; 2200da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor 2210da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (TD) C++ [temp.dep.expr]p3: 2220da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // An id-expression is type-dependent if it contains: 2230da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // 224c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt // and 2250da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // 2260da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (VD) C++ [temp.dep.constexpr]p2: 2270da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // An identifier is value-dependent if it is: 228d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 2290da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (TD) - an identifier that was declared with dependent type 2300da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (VD) - a name declared with a dependent type, 231d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (T->isDependentType()) { 232d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor TypeDependent = true; 233d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 234561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 235d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor return; 236561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } else if (T->isInstantiationDependentType()) { 237561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 2380da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 239d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 2400da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (TD) - a conversion-function-id that specifies a dependent type 241d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (D->getDeclName().getNameKind() 242561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor == DeclarationName::CXXConversionFunctionName) { 243561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor QualType T = D->getDeclName().getCXXNameType(); 244561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (T->isDependentType()) { 245561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeDependent = true; 246561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ValueDependent = true; 247561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 248561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor return; 249561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 250561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 251561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (T->isInstantiationDependentType()) 252561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 2530da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor } 254561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2550da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (VD) - the name of a non-type template parameter, 256d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (isa<NonTypeTemplateParmDecl>(D)) { 257d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 258561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 259d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor return; 260d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor } 261d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 2620da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // (VD) - a constant with integral or enumeration type and is 2630da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor // initialized with an expression that is value-dependent. 264db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith // (VD) - a constant with literal type and is initialized with an 265db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith // expression that is value-dependent [C++11]. 266db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith // (VD) - FIXME: Missing from the standard: 267db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith // - an entity with reference type and is initialized with an 268db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith // expression that is value-dependent [C++11] 269d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(D)) { 27080ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith if ((Ctx.getLangOpts().CPlusPlus11 ? 271a10b97898ee6339c3110e6ca33f178ff52f05238Richard Smith Var->getType()->isLiteralType(Ctx) : 272db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith Var->getType()->isIntegralOrEnumerationType()) && 2734ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie (Var->getType().isConstQualified() || 274db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith Var->getType()->isReferenceType())) { 27531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if (const Expr *Init = Var->getAnyInitializer()) 276561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (Init->isValueDependent()) { 277d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 278561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 279561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 280db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith } 281db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith 282bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // (VD) - FIXME: Missing from the standard: 283bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // - a member function or a static data member of the current 284bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // instantiation 285db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith if (Var->isStaticDataMember() && 286db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith Var->getDeclContext()->isDependentContext()) { 287d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 288561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 289418220b209ed67a5cc6802d367a9a994d7225e04Richard Smith TypeSourceInfo *TInfo = Var->getFirstDecl()->getTypeSourceInfo(); 290418220b209ed67a5cc6802d367a9a994d7225e04Richard Smith if (TInfo->getType()->isIncompleteArrayType()) 291418220b209ed67a5cc6802d367a9a994d7225e04Richard Smith TypeDependent = true; 292561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 293d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 294d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor return; 295d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor } 296d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 297bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // (VD) - FIXME: Missing from the standard: 298bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // - a member function or a static data member of the current 299bb6e73fcf60fa5a4cc36c14744dc366b658443b5Douglas Gregor // instantiation 300d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (isa<CXXMethodDecl>(D) && D->getDeclContext()->isDependentContext()) { 301d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 302561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 303db1822c6de43ff4aa5fa00234bf8222f6f4816e8Richard Smith } 304d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor} 305d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 3069db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig Toppervoid DeclRefExpr::computeDependence(const ASTContext &Ctx) { 307d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor bool TypeDependent = false; 308d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor bool ValueDependent = false; 309561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent = false; 3103d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar computeDeclRefDependence(Ctx, getDecl(), getType(), TypeDependent, 3113d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar ValueDependent, InstantiationDependent); 312d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 313d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // (TD) C++ [temp.dep.expr]p3: 314d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // An id-expression is type-dependent if it contains: 315d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // 316d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // and 317d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // 318d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // (VD) C++ [temp.dep.constexpr]p2: 319d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor // An identifier is value-dependent if it is: 320d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (!TypeDependent && !ValueDependent && 321d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor hasExplicitTemplateArgs() && 322d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor TemplateSpecializationType::anyDependentTemplateArguments( 323d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor getTemplateArgs(), 324561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor getNumTemplateArgs(), 325561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent)) { 326d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor TypeDependent = true; 327d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ValueDependent = true; 328561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InstantiationDependent = true; 329d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor } 330d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 331d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ExprBits.TypeDependent = TypeDependent; 332d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor ExprBits.ValueDependent = ValueDependent; 333561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = InstantiationDependent; 334d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor 33510738d36b150aa65206890c1c845cdba076e4200Douglas Gregor // Is the declaration a parameter pack? 336d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor if (getDecl()->isParameterPack()) 3371fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 3380da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor} 3390da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor 3409db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperDeclRefExpr::DeclRefExpr(const ASTContext &Ctx, 3413d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar NestedNameSpecifierLoc QualifierLoc, 342e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 343f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ValueDecl *D, bool RefersToEnclosingLocal, 344f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const DeclarationNameInfo &NameInfo, 3453aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD, 3462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs, 347f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType T, ExprValueKind VK) 348561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Expr(DeclRefExprClass, T, VK, OK_Ordinary, false, false, false, false), 349cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth D(D), Loc(NameInfo.getLoc()), DNLoc(NameInfo.getInfo()) { 350cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBits.HasQualifier = QualifierLoc ? 1 : 0; 3517e740bd36772aae16b5cc5e605998ccc5eaf26dbChandler Carruth if (QualifierLoc) 3526857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth getInternalQualifierLoc() = QualifierLoc; 3533aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth DeclRefExprBits.HasFoundDecl = FoundD ? 1 : 0; 3543aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (FoundD) 3553aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth getInternalFoundDecl() = FoundD; 356e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara DeclRefExprBits.HasTemplateKWAndArgsInfo 357e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara = (TemplateArgs || TemplateKWLoc.isValid()) ? 1 : 0; 358f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExprBits.RefersToEnclosingLocal = RefersToEnclosingLocal; 359561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (TemplateArgs) { 360561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool Dependent = false; 361561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent = false; 362561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool ContainsUnexpandedParameterPack = false; 363e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc, *TemplateArgs, 364e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Dependent, 365e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara InstantiationDependent, 366e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ContainsUnexpandedParameterPack); 367561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (InstantiationDependent) 368561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor setInstantiationDependent(true); 369e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } else if (TemplateKWLoc.isValid()) { 370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara getTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc); 371561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 372b8da98a2182d2c69c72136b9a9ebabd4694f3d6bBenjamin Kramer DeclRefExprBits.HadMultipleCandidates = 0; 373b8da98a2182d2c69c72136b9a9ebabd4694f3d6bBenjamin Kramer 3743d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar computeDependence(Ctx); 3752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara} 3762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3779db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperDeclRefExpr *DeclRefExpr::Create(const ASTContext &Context, 37840d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 380dbd872f273a8dbf22e089b3def6c09f0a460965dJohn McCall ValueDecl *D, 381f4b88a45902af1802a1cb42ba48b1c474474f228John McCall bool RefersToEnclosingLocal, 382a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor SourceLocation NameLoc, 3830da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor QualType T, 384f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 3853aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD, 3860da76df9218d7c27b471b0a4d83a5b29fe24e5b4Douglas Gregor const TemplateArgumentListInfo *TemplateArgs) { 387e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara return Create(Context, QualifierLoc, TemplateKWLoc, D, 388f4b88a45902af1802a1cb42ba48b1c474474f228John McCall RefersToEnclosingLocal, 3892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo(D->getDeclName(), NameLoc), 3903aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth T, VK, FoundD, TemplateArgs); 3912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara} 3922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3939db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperDeclRefExpr *DeclRefExpr::Create(const ASTContext &Context, 39440d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 3962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ValueDecl *D, 397f4b88a45902af1802a1cb42ba48b1c474474f228John McCall bool RefersToEnclosingLocal, 3982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 3992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, 400f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 4013aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth NamedDecl *FoundD, 4022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const TemplateArgumentListInfo *TemplateArgs) { 4033aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth // Filter out cases where the found Decl is the same as the value refenenced. 4043aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (D == FoundD) 4056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines FoundD = nullptr; 4063aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 407a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor std::size_t Size = sizeof(DeclRefExpr); 4087247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie if (QualifierLoc) 4096857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth Size += sizeof(NestedNameSpecifierLoc); 4103aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (FoundD) 4113aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth Size += sizeof(NamedDecl *); 412d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (TemplateArgs) 413e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Size += ASTTemplateKWAndArgsInfo::sizeFor(TemplateArgs->size()); 414e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara else if (TemplateKWLoc.isValid()) 415e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Size += ASTTemplateKWAndArgsInfo::sizeFor(0); 4163aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 4173248854a5d16e1de17c58e05f726bdef9f042df2Chris Lattner void *Mem = Context.Allocate(Size, llvm::alignOf<DeclRefExpr>()); 4183d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar return new (Mem) DeclRefExpr(Context, QualifierLoc, TemplateKWLoc, D, 419f4b88a45902af1802a1cb42ba48b1c474474f228John McCall RefersToEnclosingLocal, 4203d13c5a1e72ed8f8be9c083791d30643d1b1ec43Daniel Dunbar NameInfo, FoundD, TemplateArgs, T, VK); 421a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor} 422a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4239db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperDeclRefExpr *DeclRefExpr::CreateEmpty(const ASTContext &Context, 424def0354384d9c4431f7b58b664b59896d4623028Douglas Gregor bool HasQualifier, 4253aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth bool HasFoundDecl, 426e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara bool HasTemplateKWAndArgsInfo, 427663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis unsigned NumTemplateArgs) { 428663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis std::size_t Size = sizeof(DeclRefExpr); 429663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis if (HasQualifier) 4306857c3e12c86fd0271eb46baab5b18756a94f4cbChandler Carruth Size += sizeof(NestedNameSpecifierLoc); 4313aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth if (HasFoundDecl) 4323aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth Size += sizeof(NamedDecl *); 433e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (HasTemplateKWAndArgsInfo) 434e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Size += ASTTemplateKWAndArgsInfo::sizeFor(NumTemplateArgs); 4353aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth 4363248854a5d16e1de17c58e05f726bdef9f042df2Chris Lattner void *Mem = Context.Allocate(Size, llvm::alignOf<DeclRefExpr>()); 437663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis return new (Mem) DeclRefExpr(EmptyShell()); 438663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis} 439663e380d7b2de2bbf20e886e05371195bea9adc4Argyrios Kyrtzidis 440396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel DunbarSourceLocation DeclRefExpr::getLocStart() const { 441396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar if (hasQualifier()) 442396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return getQualifierLoc().getBeginLoc(); 443396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return getNameInfo().getLocStart(); 444396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar} 445396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel DunbarSourceLocation DeclRefExpr::getLocEnd() const { 446396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar if (hasExplicitTemplateArgs()) 447396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return getRAngleLoc(); 448396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return getNameInfo().getLocEnd(); 449396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar} 450a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor 4513a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson// FIXME: Maybe this should use DeclPrinter with a special "print predefined 4523a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson// expr" policy instead. 453848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlssonstd::string PredefinedExpr::ComputeName(IdentType IT, const Decl *CurrentDecl) { 454848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson ASTContext &Context = CurrentDecl->getASTContext(); 455848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson 456bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer if (IT == PredefinedExpr::FuncDName) { 457bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer if (const NamedDecl *ND = dyn_cast<NamedDecl>(CurrentDecl)) { 458651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines std::unique_ptr<MangleContext> MC; 459bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer MC.reset(Context.createMangleContext()); 460bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer 461bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer if (MC->shouldMangleDeclName(ND)) { 462bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer SmallString<256> Buffer; 463bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer llvm::raw_svector_ostream Out(Buffer); 464bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(ND)) 465bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer MC->mangleCXXCtor(CD, Ctor_Base, Out); 466bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer else if (const CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(ND)) 467bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer MC->mangleCXXDtor(DD, Dtor_Base, Out); 468bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer else 469bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer MC->mangleName(ND, Out); 470bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer 471bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer Out.flush(); 472bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer if (!Buffer.empty() && Buffer.front() == '\01') 473bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer return Buffer.substr(1); 474bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer return Buffer.str(); 475bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer } else 476bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer return ND->getIdentifier()->getName(); 477bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer } 478bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer return ""; 479bafa74f360cb3ec82fa8c688845330f491d167fdDavid Majnemer } 4803a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CurrentDecl)) { 4816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (IT != PrettyFunction && IT != PrettyFunctionNoVirtual && IT != FuncSig) 4823a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return FD->getNameAsString(); 4833a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 484f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> Name; 4853a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson llvm::raw_svector_ostream Out(Name); 4863a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 4873a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 488848fa64143fbe5ae62a601ad61277f741e54dfabAnders Carlsson if (MD->isVirtual() && IT != PrettyFunctionNoVirtual) 4893a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << "virtual "; 4904eadcc569223135e13353c9381b448986e3f7053Sam Weinig if (MD->isStatic()) 4914eadcc569223135e13353c9381b448986e3f7053Sam Weinig Out << "static "; 4923a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 4933a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 4944e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie PrintingPolicy Policy(Context.getLangOpts()); 495b063ef0222a99ee168631afa7b5a882d494b8fdeBenjamin Kramer std::string Proto; 496abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor llvm::raw_string_ostream POut(Proto); 4973a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 498abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const FunctionDecl *Decl = FD; 499abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (const FunctionDecl* Pattern = FD->getTemplateInstantiationPattern()) 500abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor Decl = Pattern; 501abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const FunctionType *AFT = Decl->getType()->getAs<FunctionType>(); 5026bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const FunctionProtoType *FT = nullptr; 5033a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (FD->hasWrittenPrototype()) 5043a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson FT = dyn_cast<FunctionProtoType>(AFT); 5053a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 5066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (IT == FuncSig) { 5076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines switch (FT->getCallConv()) { 5086bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case CC_C: POut << "__cdecl "; break; 5096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case CC_X86StdCall: POut << "__stdcall "; break; 5106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case CC_X86FastCall: POut << "__fastcall "; break; 5116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case CC_X86ThisCall: POut << "__thiscall "; break; 5126bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines // Only bother printing the conventions that MSVC knows about. 5136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines default: break; 5146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 5156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 5166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 5176bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines FD->printQualifiedName(POut, Policy); 5186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 519abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << "("; 5203a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (FT) { 521abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor for (unsigned i = 0, e = Decl->getNumParams(); i != e; ++i) { 5223a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (i) POut << ", "; 5237ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis POut << Decl->getParamDecl(i)->getType().stream(Policy); 5243a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 5253a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 5263a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (FT->isVariadic()) { 5273a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (FD->getNumParams()) POut << ", "; 5283a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson POut << "..."; 5293a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 5303a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 531abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << ")"; 5323a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 5334eadcc569223135e13353c9381b448986e3f7053Sam Weinig if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 5344ae711b5ef292378d5b88cede3d4b708174053e2Argyrios Kyrtzidis const FunctionType *FT = MD->getType()->castAs<FunctionType>(); 5354ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie if (FT->isConst()) 536abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << " const"; 5374ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie if (FT->isVolatile()) 538abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << " volatile"; 539abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor RefQualifierKind Ref = MD->getRefQualifier(); 540abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (Ref == RQ_LValue) 541abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << " &"; 542abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor else if (Ref == RQ_RValue) 543abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << " &&"; 544abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 545abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor 546abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor typedef SmallVector<const ClassTemplateSpecializationDecl *, 8> SpecsTy; 547abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor SpecsTy Specs; 548abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const DeclContext *Ctx = FD->getDeclContext(); 549abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor while (Ctx && isa<NamedDecl>(Ctx)) { 550abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const ClassTemplateSpecializationDecl *Spec 551abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(Ctx); 552abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (Spec && !Spec->isExplicitSpecialization()) 553abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor Specs.push_back(Spec); 554abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor Ctx = Ctx->getParent(); 555abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 556abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor 557abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor std::string TemplateParams; 558abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor llvm::raw_string_ostream TOut(TemplateParams); 559abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor for (SpecsTy::reverse_iterator I = Specs.rbegin(), E = Specs.rend(); 560abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor I != E; ++I) { 561abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const TemplateParameterList *Params 562abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor = (*I)->getSpecializedTemplate()->getTemplateParameters(); 563abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const TemplateArgumentList &Args = (*I)->getTemplateArgs(); 564abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor assert(Params->size() == Args.size()); 565abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor for (unsigned i = 0, numParams = Params->size(); i != numParams; ++i) { 566abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor StringRef Param = Params->getParam(i)->getName(); 567abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (Param.empty()) continue; 568abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TOut << Param << " = "; 569abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor Args.get(i).print(Policy, TOut); 570abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TOut << ", "; 571abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 5724eadcc569223135e13353c9381b448986e3f7053Sam Weinig } 5734eadcc569223135e13353c9381b448986e3f7053Sam Weinig 574abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor FunctionTemplateSpecializationInfo *FSI 575abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor = FD->getTemplateSpecializationInfo(); 576abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (FSI && !FSI->isExplicitSpecialization()) { 577abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const TemplateParameterList* Params 578abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor = FSI->getTemplate()->getTemplateParameters(); 579abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor const TemplateArgumentList* Args = FSI->TemplateArguments; 580abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor assert(Params->size() == Args->size()); 581abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor for (unsigned i = 0, e = Params->size(); i != e; ++i) { 582abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor StringRef Param = Params->getParam(i)->getName(); 583abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (Param.empty()) continue; 584abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TOut << Param << " = "; 585abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor Args->get(i).print(Policy, TOut); 586abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TOut << ", "; 587abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 588abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 589abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor 590abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TOut.flush(); 591abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor if (!TemplateParams.empty()) { 592abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor // remove the trailing comma and space 593abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor TemplateParams.resize(TemplateParams.size() - 2); 594abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut << " [" << TemplateParams << "]"; 595abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor } 596abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor 597abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor POut.flush(); 598abf65ce5ddfb8db0d34280d30a91253930732f4fDouglas Gregor 59928bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer // Print "auto" for all deduced return types. This includes C++1y return 60028bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer // type deduction and lambdas. For trailing return types resolve the 60128bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer // decltype expression. Otherwise print the real type when this is 60228bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer // not a constructor or destructor. 60328bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer if ((isa<CXXMethodDecl>(FD) && 60428bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer cast<CXXMethodDecl>(FD)->getParent()->isLambda()) || 605651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines (FT && FT->getReturnType()->getAs<AutoType>())) 60628bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer Proto = "auto " + Proto; 607651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines else if (FT && FT->getReturnType()->getAs<DecltypeType>()) 608651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines FT->getReturnType() 609651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ->getAs<DecltypeType>() 610651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ->getUnderlyingType() 61128bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer .getAsStringInternal(Proto, Policy); 61228bdbf0861fefb33474fddbda1d3c66ee29be2afBenjamin Kramer else if (!isa<CXXConstructorDecl>(FD) && !isa<CXXDestructorDecl>(FD)) 613651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines AFT->getReturnType().getAsStringInternal(Proto, Policy); 6143a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 6153a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << Proto; 6163a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 6173a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out.flush(); 6183a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return Name.str().str(); 6193a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 62015b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan if (const CapturedDecl *CD = dyn_cast<CapturedDecl>(CurrentDecl)) { 62115b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan for (const DeclContext *DC = CD->getParent(); DC; DC = DC->getParent()) 62215b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan // Skip to its enclosing function or method, but not its enclosing 62315b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan // CapturedDecl. 62415b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan if (DC->isFunctionOrMethod() && (DC->getDeclKind() != Decl::Captured)) { 62515b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan const Decl *D = Decl::castFromDeclContext(DC); 62615b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan return ComputeName(IT, D); 62715b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan } 62815b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan llvm_unreachable("CapturedDecl not inside a function or method"); 62915b2674896371ac2a0fe707b538a1a29dec9d8e4Wei Pan } 6303a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(CurrentDecl)) { 631f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> Name; 6323a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson llvm::raw_svector_ostream Out(Name); 6333a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << (MD->isInstanceMethod() ? '-' : '+'); 6343a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << '['; 635b03d33edaf24af2893a50caee4d2c99839242c44Ted Kremenek 636b03d33edaf24af2893a50caee4d2c99839242c44Ted Kremenek // For incorrect code, there might not be an ObjCInterfaceDecl. Do 637b03d33edaf24af2893a50caee4d2c99839242c44Ted Kremenek // a null check to avoid a crash. 638b03d33edaf24af2893a50caee4d2c99839242c44Ted Kremenek if (const ObjCInterfaceDecl *ID = MD->getClassInterface()) 639b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer Out << *ID; 640b03d33edaf24af2893a50caee4d2c99839242c44Ted Kremenek 6413a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (const ObjCCategoryImplDecl *CID = 642900fc6388e803868a34b9483510c345e9b49d7ebBenjamin Kramer dyn_cast<ObjCCategoryImplDecl>(MD->getDeclContext())) 643f978059b82db8c0d849c5f992036210b5ca53200Benjamin Kramer Out << '(' << *CID << ')'; 644900fc6388e803868a34b9483510c345e9b49d7ebBenjamin Kramer 6453a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << ' '; 646651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines MD->getSelector().print(Out); 6473a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out << ']'; 6483a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 6493a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson Out.flush(); 6503a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return Name.str().str(); 6513a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 6523a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson if (isa<TranslationUnitDecl>(CurrentDecl) && IT == PrettyFunction) { 6533a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson // __PRETTY_FUNCTION__ -> "top level", the others produce an empty string. 6543a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return "top level"; 6553a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson } 6563a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return ""; 6573a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 6583a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 65905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid APNumericStorage::setIntValue(const ASTContext &C, 66005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper const llvm::APInt &Val) { 6619996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis if (hasAllocation()) 6629996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis C.Deallocate(pVal); 6639996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 6649996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis BitWidth = Val.getBitWidth(); 6659996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis unsigned NumWords = Val.getNumWords(); 6669996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis const uint64_t* Words = Val.getRawData(); 6679996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis if (NumWords > 1) { 6689996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis pVal = new (C) uint64_t[NumWords]; 6699996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis std::copy(Words, Words + NumWords, pVal); 6709996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis } else if (NumWords == 1) 6719996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis VAL = Words[0]; 6729996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis else 6739996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis VAL = 0; 6749996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis} 6759996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 67605ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperIntegerLiteral::IntegerLiteral(const ASTContext &C, const llvm::APInt &V, 677478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer QualType type, SourceLocation l) 678478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer : Expr(IntegerLiteralClass, type, VK_RValue, OK_Ordinary, false, false, 679478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer false, false), 680478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer Loc(l) { 681478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 682478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer assert(V.getBitWidth() == C.getIntWidth(type) && 683478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer "Integer type is not the correct size for constant."); 684478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer setValue(C, V); 685478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer} 686478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer 6879996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios KyrtzidisIntegerLiteral * 68805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperIntegerLiteral::Create(const ASTContext &C, const llvm::APInt &V, 6899996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis QualType type, SourceLocation l) { 6909996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return new (C) IntegerLiteral(C, V, type, l); 6919996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis} 6929996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 6939996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios KyrtzidisIntegerLiteral * 69405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperIntegerLiteral::Create(const ASTContext &C, EmptyShell Empty) { 6959996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return new (C) IntegerLiteral(Empty); 6969996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis} 6979996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 69805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperFloatingLiteral::FloatingLiteral(const ASTContext &C, const llvm::APFloat &V, 699478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer bool isexact, QualType Type, SourceLocation L) 700478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer : Expr(FloatingLiteralClass, Type, VK_RValue, OK_Ordinary, false, false, 701478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer false, false), Loc(L) { 7029ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover setSemantics(V.getSemantics()); 703478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer FloatingLiteralBits.IsExact = isexact; 704478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer setValue(C, V); 705478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer} 706478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer 70705ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperFloatingLiteral::FloatingLiteral(const ASTContext &C, EmptyShell Empty) 708478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer : Expr(FloatingLiteralClass, Empty) { 7099ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover setRawSemantics(IEEEhalf); 710478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer FloatingLiteralBits.IsExact = false; 711478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer} 712478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer 7139996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios KyrtzidisFloatingLiteral * 71405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperFloatingLiteral::Create(const ASTContext &C, const llvm::APFloat &V, 7159996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis bool isexact, QualType Type, SourceLocation L) { 7169996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis return new (C) FloatingLiteral(C, V, isexact, Type, L); 7179996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis} 7189996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7199996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios KyrtzidisFloatingLiteral * 72005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperFloatingLiteral::Create(const ASTContext &C, EmptyShell Empty) { 72131dfd642d5ac33c4ee0cfe1d7a1d4da455dcc7a4Akira Hatanaka return new (C) FloatingLiteral(C, Empty); 7229996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis} 7239996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis 7249ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northoverconst llvm::fltSemantics &FloatingLiteral::getSemantics() const { 7259ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover switch(FloatingLiteralBits.Semantics) { 7269ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case IEEEhalf: 7279ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::IEEEhalf; 7289ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case IEEEsingle: 7299ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::IEEEsingle; 7309ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case IEEEdouble: 7319ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::IEEEdouble; 7329ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case x87DoubleExtended: 7339ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::x87DoubleExtended; 7349ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case IEEEquad: 7359ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::IEEEquad; 7369ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover case PPCDoubleDouble: 7379ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover return llvm::APFloat::PPCDoubleDouble; 7389ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover } 7399ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover llvm_unreachable("Unrecognised floating semantics"); 7409ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover} 7419ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover 7429ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northovervoid FloatingLiteral::setSemantics(const llvm::fltSemantics &Sem) { 7439ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover if (&Sem == &llvm::APFloat::IEEEhalf) 7449ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = IEEEhalf; 7459ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else if (&Sem == &llvm::APFloat::IEEEsingle) 7469ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = IEEEsingle; 7479ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else if (&Sem == &llvm::APFloat::IEEEdouble) 7489ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = IEEEdouble; 7499ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else if (&Sem == &llvm::APFloat::x87DoubleExtended) 7509ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = x87DoubleExtended; 7519ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else if (&Sem == &llvm::APFloat::IEEEquad) 7529ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = IEEEquad; 7539ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else if (&Sem == &llvm::APFloat::PPCDoubleDouble) 7549ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover FloatingLiteralBits.Semantics = PPCDoubleDouble; 7559ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover else 7569ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover llvm_unreachable("Unknown floating semantics"); 7579ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover} 7589ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover 759da8249e57f3badecf925571881fe57243935c6c1Chris Lattner/// getValueAsApproximateDouble - This returns the value as an inaccurate 760da8249e57f3badecf925571881fe57243935c6c1Chris Lattner/// double. Note that this may cause loss of precision, but is useful for 761da8249e57f3badecf925571881fe57243935c6c1Chris Lattner/// debugging dumps, etc. 762da8249e57f3badecf925571881fe57243935c6c1Chris Lattnerdouble FloatingLiteral::getValueAsApproximateDouble() const { 763da8249e57f3badecf925571881fe57243935c6c1Chris Lattner llvm::APFloat V = getValue(); 764ee5a700af3fe9ae1a639c271f093f40677dddc04Dale Johannesen bool ignored; 765ee5a700af3fe9ae1a639c271f093f40677dddc04Dale Johannesen V.convert(llvm::APFloat::IEEEdouble, llvm::APFloat::rmNearestTiesToEven, 766ee5a700af3fe9ae1a639c271f093f40677dddc04Dale Johannesen &ignored); 767da8249e57f3badecf925571881fe57243935c6c1Chris Lattner return V.convertToDouble(); 768da8249e57f3badecf925571881fe57243935c6c1Chris Lattner} 769da8249e57f3badecf925571881fe57243935c6c1Chris Lattner 7700fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewyckyint StringLiteral::mapCharByteWidth(TargetInfo const &target,StringKind k) { 771fd819783aafa39b3bfdfcc095270352074ef4734Eli Friedman int CharByteWidth = 0; 7720fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky switch(k) { 77364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case Ascii: 77464f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case UTF8: 7750fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky CharByteWidth = target.getCharWidth(); 77664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 77764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case Wide: 7780fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky CharByteWidth = target.getWCharWidth(); 77964f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 78064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case UTF16: 7810fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky CharByteWidth = target.getChar16Width(); 78264f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 78364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case UTF32: 7840fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky CharByteWidth = target.getChar32Width(); 785fd819783aafa39b3bfdfcc095270352074ef4734Eli Friedman break; 78664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman } 78764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman assert((CharByteWidth & 7) == 0 && "Assumes character size is byte multiple"); 78864f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman CharByteWidth /= 8; 7890fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky assert((CharByteWidth==1 || CharByteWidth==2 || CharByteWidth==4) 79064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman && "character byte widths supported are 1, 2, and 4 only"); 79164f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman return CharByteWidth; 79264f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman} 79364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman 79405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperStringLiteral *StringLiteral::Create(const ASTContext &C, StringRef Str, 7955cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor StringKind Kind, bool Pascal, QualType Ty, 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const SourceLocation *Loc, 797a135fb43eb94524a6529768596a4533eed9aa70dAnders Carlsson unsigned NumStrs) { 798651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(C.getAsConstantArrayType(Ty) && 799651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines "StringLiteral must be of constant array type!"); 800651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 8012085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner // Allocate enough space for the StringLiteral plus an array of locations for 8022085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner // any concatenated string tokens. 8032085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner void *Mem = C.Allocate(sizeof(StringLiteral)+ 8042085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner sizeof(SourceLocation)*(NumStrs-1), 8053248854a5d16e1de17c58e05f726bdef9f042df2Chris Lattner llvm::alignOf<StringLiteral>()); 8062085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner StringLiteral *SL = new (Mem) StringLiteral(Ty); 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // OPTIMIZE: could allocate this appended to the StringLiteral. 80964f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman SL->setString(C,Str,Kind,Pascal); 81064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman 8112085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner SL->TokLocs[0] = Loc[0]; 8122085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner SL->NumConcatenated = NumStrs; 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 814726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner if (NumStrs != 1) 8152085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner memcpy(&SL->TokLocs[1], Loc+1, sizeof(SourceLocation)*(NumStrs-1)); 8162085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner return SL; 817726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner} 818726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner 81905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperStringLiteral *StringLiteral::CreateEmpty(const ASTContext &C, 82005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper unsigned NumStrs) { 821673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor void *Mem = C.Allocate(sizeof(StringLiteral)+ 822673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor sizeof(SourceLocation)*(NumStrs-1), 8233248854a5d16e1de17c58e05f726bdef9f042df2Chris Lattner llvm::alignOf<StringLiteral>()); 824673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor StringLiteral *SL = new (Mem) StringLiteral(QualType()); 82564f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman SL->CharByteWidth = 0; 82664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman SL->Length = 0; 827673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor SL->NumConcatenated = NumStrs; 828673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor return SL; 829673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor} 830673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 831ae54121c15cdd38f415f6fdda48215ab5e4dcee1Alexander Kornienkovoid StringLiteral::outputString(raw_ostream &OS) const { 8328ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu switch (getKind()) { 8338ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case Ascii: break; // no prefix. 8348ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case Wide: OS << 'L'; break; 8358ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case UTF8: OS << "u8"; break; 8368ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case UTF16: OS << 'u'; break; 8378ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case UTF32: OS << 'U'; break; 8388ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8398ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << '"'; 8408ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu static const char Hex[] = "0123456789ABCDEF"; 8418ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 8428ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu unsigned LastSlashX = getLength(); 8438ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu for (unsigned I = 0, N = getLength(); I != N; ++I) { 8448ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu switch (uint32_t Char = getCodeUnit(I)) { 8458ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu default: 8468ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // FIXME: Convert UTF-8 back to codepoints before rendering. 8478ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 8488ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // Convert UTF-16 surrogate pairs back to codepoints before rendering. 8498ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // Leave invalid surrogates alone; we'll use \x for those. 8508ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (getKind() == UTF16 && I != N - 1 && Char >= 0xd800 && 8518ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu Char <= 0xdbff) { 8528ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu uint32_t Trail = getCodeUnit(I + 1); 8538ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (Trail >= 0xdc00 && Trail <= 0xdfff) { 8548ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu Char = 0x10000 + ((Char - 0xd800) << 10) + (Trail - 0xdc00); 8558ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu ++I; 8568ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8578ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8588ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 8598ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (Char > 0xff) { 8608ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // If this is a wide string, output characters over 0xff using \x 8618ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // escapes. Otherwise, this is a UTF-16 or UTF-32 string, and Char is a 8628ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // codepoint: use \x escapes for invalid codepoints. 8638ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (getKind() == Wide || 8648ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu (Char >= 0xd800 && Char <= 0xdfff) || Char >= 0x110000) { 8658ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // FIXME: Is this the best way to print wchar_t? 8668ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << "\\x"; 8678ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu int Shift = 28; 8688ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu while ((Char >> Shift) == 0) 8698ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu Shift -= 4; 8708ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu for (/**/; Shift >= 0; Shift -= 4) 8718ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << Hex[(Char >> Shift) & 15]; 8728ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu LastSlashX = I; 8738ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu break; 8748ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8758ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 8768ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (Char > 0xffff) 8778ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << "\\U00" 8788ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << Hex[(Char >> 20) & 15] 8798ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << Hex[(Char >> 16) & 15]; 8808ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu else 8818ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << "\\u"; 8828ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << Hex[(Char >> 12) & 15] 8838ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << Hex[(Char >> 8) & 15] 8848ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << Hex[(Char >> 4) & 15] 8858ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << Hex[(Char >> 0) & 15]; 8868ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu break; 8878ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8888ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 8898ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // If we used \x... for the previous character, and this character is a 8908ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // hexadecimal digit, prevent it being slurped as part of the \x. 8918ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu if (LastSlashX + 1 == I) { 8928ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu switch (Char) { 8938ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '0': case '1': case '2': case '3': case '4': 8948ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '5': case '6': case '7': case '8': case '9': 8958ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 8968ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': 8978ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << "\"\""; 8988ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 8998ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 9008ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 9018ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu assert(Char <= 0xff && 9028ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu "Characters above 0xff should already have been handled."); 9038ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 9043f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (isPrintable(Char)) 9058ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << (char)Char; 9068ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu else // Output anything hard as an octal escape. 9078ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << '\\' 9088ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << (char)('0' + ((Char >> 6) & 7)) 9098ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << (char)('0' + ((Char >> 3) & 7)) 9108ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu << (char)('0' + ((Char >> 0) & 7)); 9118ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu break; 9128ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu // Handle some common non-printable cases to make dumps prettier. 9138ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '\\': OS << "\\\\"; break; 9148ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '"': OS << "\\\""; break; 9158ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '\n': OS << "\\n"; break; 9168ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '\t': OS << "\\t"; break; 9178ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '\a': OS << "\\a"; break; 9188ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu case '\b': OS << "\\b"; break; 9198ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 9208ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu } 9218ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu OS << '"'; 9228ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu} 9238ab09da1faaa33b9fa78de59cc4e191bfe9907b5Richard Trieu 92405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid StringLiteral::setString(const ASTContext &C, StringRef Str, 92564f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman StringKind Kind, bool IsPascal) { 92664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman //FIXME: we assume that the string data comes from a target that uses the same 92764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman // code unit size and endianess for the type of string. 92864f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman this->Kind = Kind; 92964f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman this->IsPascal = IsPascal; 93064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman 9310fd7f4db69ea75bde3d5fd7365165c6f43d78be5Nick Lewycky CharByteWidth = mapCharByteWidth(C.getTargetInfo(),Kind); 93264f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman assert((Str.size()%CharByteWidth == 0) 93364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman && "size of data must be multiple of CharByteWidth"); 93464f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman Length = Str.size()/CharByteWidth; 93564f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman 93664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman switch(CharByteWidth) { 93764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case 1: { 93864f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman char *AStrData = new (C) char[Length]; 93966dfef17b8da7c89e20f32d4f0f4a04691b79768Argyrios Kyrtzidis std::memcpy(AStrData,Str.data(),Length*sizeof(*AStrData)); 94064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman StrData.asChar = AStrData; 94164f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 94264f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman } 94364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case 2: { 94464f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman uint16_t *AStrData = new (C) uint16_t[Length]; 94566dfef17b8da7c89e20f32d4f0f4a04691b79768Argyrios Kyrtzidis std::memcpy(AStrData,Str.data(),Length*sizeof(*AStrData)); 94664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman StrData.asUInt16 = AStrData; 94764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 94864f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman } 94964f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman case 4: { 95064f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman uint32_t *AStrData = new (C) uint32_t[Length]; 95166dfef17b8da7c89e20f32d4f0f4a04691b79768Argyrios Kyrtzidis std::memcpy(AStrData,Str.data(),Length*sizeof(*AStrData)); 95264f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman StrData.asUInt32 = AStrData; 95364f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman break; 95464f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman } 95564f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman default: 95664f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman assert(false && "unsupported CharByteWidth"); 95764f45a24b19eb89ff88f7c3ff0df9be8e861ac97Eli Friedman } 958673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor} 959673ecd6a4a9f7c12fb6f76f84f654dbdcdc89e76Douglas Gregor 96008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// getLocationOfByte - Return a source location that points to the specified 96108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// byte of this string literal. 96208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// 96308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// Strings are amazingly complex. They can be formed from multiple tokens and 96408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// can have escape sequences in them in addition to the usual trigraph and 96508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// escaped newline business. This routine handles this complexity. 96608f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner/// 96708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris LattnerSourceLocation StringLiteral:: 96808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris LattnergetLocationOfByte(unsigned ByteNo, const SourceManager &SM, 96908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner const LangOptions &Features, const TargetInfo &Target) const { 970df9ef1bc8c3780307ab2ed81bf5e31c23310b936Richard Smith assert((Kind == StringLiteral::Ascii || Kind == StringLiteral::UTF8) && 971df9ef1bc8c3780307ab2ed81bf5e31c23310b936Richard Smith "Only narrow string literals are currently supported"); 9725cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor 97308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Loop over all of the tokens in this string until we find the one that 97408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // contains the byte we're looking for. 97508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner unsigned TokNo = 0; 97608f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner while (1) { 97708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner assert(TokNo < getNumConcatenated() && "Invalid byte number!"); 97808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner SourceLocation StrTokLoc = getStrTokenLoc(TokNo); 97908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 98008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Get the spelling of the string so that we can get the data that makes up 98108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // the string literal, not the identifier for the macro it is potentially 98208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // expanded through. 98308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner SourceLocation StrTokSpellingLoc = SM.getSpellingLoc(StrTokLoc); 98408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 98508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Re-lex the token to get its length and original spelling. 98608f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner std::pair<FileID, unsigned> LocInfo =SM.getDecomposedLoc(StrTokSpellingLoc); 98708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner bool Invalid = false; 9885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Buffer = SM.getBufferData(LocInfo.first, &Invalid); 98908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner if (Invalid) 99008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner return StrTokSpellingLoc; 99108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 99208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner const char *StrData = Buffer.data()+LocInfo.second; 99308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 99408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Create a lexer starting at the beginning of this token. 995df8755884e039d3f313ee0fea42b955257b5e240Argyrios Kyrtzidis Lexer TheLexer(SM.getLocForStartOfFile(LocInfo.first), Features, 996df8755884e039d3f313ee0fea42b955257b5e240Argyrios Kyrtzidis Buffer.begin(), StrData, Buffer.end()); 99708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner Token TheTok; 99808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner TheLexer.LexFromRawLexer(TheTok); 99908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 100008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Use the StringLiteralParser to compute the length of the string in bytes. 1001ef8225444452a1486bd721f3285301fe84643b00Stephen Hines StringLiteralParser SLP(TheTok, SM, Features, Target); 100208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner unsigned TokNumBytes = SLP.GetStringLength(); 100308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 100408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // If the byte is in this token, return the location of the byte. 100508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner if (ByteNo < TokNumBytes || 1006935a70c1e76d78985f20d422940280161b941299Hans Wennborg (ByteNo == TokNumBytes && TokNo == getNumConcatenated() - 1)) { 100708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner unsigned Offset = SLP.getOffsetOfStringByte(TheTok, ByteNo); 100808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 100908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Now that we know the offset of the token in the spelling, use the 101008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // preprocessor to get the offset in the original source. 101108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner return Lexer::AdvanceToTokenCharacter(StrTokLoc, Offset, SM, Features); 101208f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner } 101308f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 101408f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner // Move to the next string token. 101508f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner ++TokNo; 101608f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner ByteNo -= TokNumBytes; 101708f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner } 101808f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner} 101908f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 102008f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 102108f92e3a5dead1f1ee656678a7f06e43279d6e50Chris Lattner 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// corresponds to, e.g. "sizeof" or "[pre]++". 10240bea86307eb8c16339315a1e261fc490eb505c5bDavid BlaikieStringRef UnaryOperator::getOpcodeStr(Opcode Op) { 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Op) { 10262de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostInc: return "++"; 10272de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostDec: return "--"; 10282de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PreInc: return "++"; 10292de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PreDec: return "--"; 10302de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_AddrOf: return "&"; 10312de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Deref: return "*"; 10322de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Plus: return "+"; 10332de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Minus: return "-"; 10342de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Not: return "~"; 10352de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_LNot: return "!"; 10362de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Real: return "__real"; 10372de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Imag: return "__imag"; 10382de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Extension: return "__extension__"; 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1040561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie llvm_unreachable("Unknown unary operator"); 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10432de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCallUnaryOperatorKind 1044bc736fceca6f0bca31d16003a7587857190408fbDouglas GregorUnaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix) { 1045bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor switch (OO) { 1046b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("No unary operator for overloaded function"); 10472de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_PlusPlus: return Postfix ? UO_PostInc : UO_PreInc; 10482de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_MinusMinus: return Postfix ? UO_PostDec : UO_PreDec; 10492de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Amp: return UO_AddrOf; 10502de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Star: return UO_Deref; 10512de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Plus: return UO_Plus; 10522de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Minus: return UO_Minus; 10532de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Tilde: return UO_Not; 10542de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Exclaim: return UO_LNot; 1055bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor } 1056bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor} 1057bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 1058bc736fceca6f0bca31d16003a7587857190408fbDouglas GregorOverloadedOperatorKind UnaryOperator::getOverloadedOperator(Opcode Opc) { 1059bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor switch (Opc) { 10602de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostInc: case UO_PreInc: return OO_PlusPlus; 10612de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostDec: case UO_PreDec: return OO_MinusMinus; 10622de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_AddrOf: return OO_Amp; 10632de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Deref: return OO_Star; 10642de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Plus: return OO_Plus; 10652de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Minus: return OO_Minus; 10662de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Not: return OO_Tilde; 10672de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_LNot: return OO_Exclaim; 1068bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor default: return OO_None; 1069bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor } 1070bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor} 1071bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 1072bc736fceca6f0bca31d16003a7587857190408fbDouglas Gregor 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 107705ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCallExpr::CallExpr(const ASTContext& C, StmtClass SC, Expr *fn, 107805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper unsigned NumPreArgs, ArrayRef<Expr*> args, QualType t, 107905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper ExprValueKind VK, SourceLocation rparenloc) 1080f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(SC, t, VK, OK_Ordinary, 1081bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->isTypeDependent(), 1082bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->isValueDependent(), 1083561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor fn->isInstantiationDependent(), 1084bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->containsUnexpandedParameterPack()), 10853b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumArgs(args.size()) { 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10873b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SubExprs = new (C) Stmt*[args.size()+PREARGS_START+NumPreArgs]; 1088b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SubExprs[FN] = fn; 10893b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != args.size(); ++i) { 1090bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isTypeDependent()) 1091bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.TypeDependent = true; 1092bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isValueDependent()) 1093bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 1094561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (args[i]->isInstantiationDependent()) 1095561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 1096bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->containsUnexpandedParameterPack()) 1097bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 1098bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 1099cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs[i+PREARGS_START+NumPreArgs] = args[i]; 1100bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 1101668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek 1102cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBits.NumPreArgs = NumPreArgs; 1103b4609806e9232593ece09ce08b630836e825865cDouglas Gregor RParenLoc = rparenloc; 1104b4609806e9232593ece09ce08b630836e825865cDouglas Gregor} 1105e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 110605ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCallExpr::CallExpr(const ASTContext& C, Expr *fn, ArrayRef<Expr*> args, 1107f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType t, ExprValueKind VK, SourceLocation rparenloc) 1108f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(CallExprClass, t, VK, OK_Ordinary, 1109bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->isTypeDependent(), 1110bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->isValueDependent(), 1111561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor fn->isInstantiationDependent(), 1112bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor fn->containsUnexpandedParameterPack()), 11133b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumArgs(args.size()) { 1114668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek 11153b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SubExprs = new (C) Stmt*[args.size()+PREARGS_START]; 111677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek SubExprs[FN] = fn; 11173b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != args.size(); ++i) { 1118bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isTypeDependent()) 1119bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.TypeDependent = true; 1120bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isValueDependent()) 1121bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 1122561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (args[i]->isInstantiationDependent()) 1123561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 1124bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->containsUnexpandedParameterPack()) 1125bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 1126bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 1127cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs[i+PREARGS_START] = args[i]; 1128bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 1129668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek 1130cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBits.NumPreArgs = 0; 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RParenLoc = rparenloc; 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 113405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCallExpr::CallExpr(const ASTContext &C, StmtClass SC, EmptyShell Empty) 11356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Expr(SC, Empty), SubExprs(nullptr), NumArgs(0) { 1136bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor // FIXME: Why do we allocate this? 1137cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs = new (C) Stmt*[PREARGS_START]; 1138cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBits.NumPreArgs = 0; 1139cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne} 1140cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 114105ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCallExpr::CallExpr(const ASTContext &C, StmtClass SC, unsigned NumPreArgs, 1142cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne EmptyShell Empty) 11436bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Expr(SC, Empty), SubExprs(nullptr), NumArgs(0) { 1144cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne // FIXME: Why do we allocate this? 1145cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne SubExprs = new (C) Stmt*[PREARGS_START+NumPreArgs]; 1146cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBits.NumPreArgs = NumPreArgs; 11471f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor} 11481f0d0133b0e8d1f01f63951ee04927796b34740dDouglas Gregor 1149d20254f2875d0004c57ee766f258dbcee29f4841Nuno LopesDecl *CallExpr::getCalleeDecl() { 1150e8683d6d389def2fce229325435ba3c2b3f75492John McCall Expr *CEE = getCallee()->IgnoreParenImpCasts(); 11511ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor 11521ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor while (SubstNonTypeTemplateParmExpr *NTTP 11531ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor = dyn_cast<SubstNonTypeTemplateParmExpr>(CEE)) { 11541ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor CEE = NTTP->getReplacement()->IgnoreParenCasts(); 11551ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor } 11561ddc9c4674b7c737ec65241a531df8c64e40b0a9Douglas Gregor 1157200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl // If we're calling a dereference, look at the pointer instead. 1158200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl if (BinaryOperator *BO = dyn_cast<BinaryOperator>(CEE)) { 1159200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl if (BO->isPtrMemOp()) 1160200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl CEE = BO->getRHS()->IgnoreParenCasts(); 1161200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl } else if (UnaryOperator *UO = dyn_cast<UnaryOperator>(CEE)) { 1162200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl if (UO->getOpcode() == UO_Deref) 1163200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl CEE = UO->getSubExpr()->IgnoreParenCasts(); 1164200121569dc6cff10a1fb6ed7500098770b9dd25Sebastian Redl } 11656346f963145ed18b6edf50a78753b47db505e912Chris Lattner if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE)) 1166d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes return DRE->getDecl(); 1167cb1c77f90d4e747b83a0d0cc125dc01567378f82Nuno Lopes if (MemberExpr *ME = dyn_cast<MemberExpr>(CEE)) 1168cb1c77f90d4e747b83a0d0cc125dc01567378f82Nuno Lopes return ME->getMemberDecl(); 1169a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 11706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1171a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu} 1172a00425414e8c209cabc25d1826b200aeb94259afZhongxing Xu 1173d20254f2875d0004c57ee766f258dbcee29f4841Nuno LopesFunctionDecl *CallExpr::getDirectCallee() { 1174caabf9bf331156e96dacb072385901fdfa057ec1Chris Lattner return dyn_cast_or_null<FunctionDecl>(getCalleeDecl()); 1175d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes} 1176d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes 1177d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner/// setNumArgs - This changes the number of arguments present in this call. 1178d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner/// Any orphaned expressions are deleted by this, and any new operands are set 1179d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner/// to null. 118005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid CallExpr::setNumArgs(const ASTContext& C, unsigned NumArgs) { 1181d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner // No change, just return. 1182d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner if (NumArgs == getNumArgs()) return; 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner // If shrinking # arguments, just delete the extras and forgot them. 1185d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner if (NumArgs < getNumArgs()) { 1186d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner this->NumArgs = NumArgs; 1187d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner return; 1188d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner } 1189d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 1190d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner // Otherwise, we are growing the # arguments. New an bigger argument array. 1191cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs = getNumPreArgs(); 1192cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne Stmt **NewSubExprs = new (C) Stmt*[NumArgs+PREARGS_START+NumPreArgs]; 1193d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner // Copy over args. 1194cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne for (unsigned i = 0; i != getNumArgs()+PREARGS_START+NumPreArgs; ++i) 1195d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner NewSubExprs[i] = SubExprs[i]; 1196d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner // Null out new args. 1197cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne for (unsigned i = getNumArgs()+PREARGS_START+NumPreArgs; 1198cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne i != NumArgs+PREARGS_START+NumPreArgs; ++i) 11996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines NewSubExprs[i] = nullptr; 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 120188c9a46f0b84f1ee83e01917825346551ee540d0Douglas Gregor if (SubExprs) C.Deallocate(SubExprs); 1202d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SubExprs = NewSubExprs; 1203d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner this->NumArgs = NumArgs; 1204d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner} 1205d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 1206651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/// getBuiltinCallee - If this is a call to a builtin, return the builtin ID. If 1207cb888967400a03504c88acedd5248d6778a82f46Chris Lattner/// not, return 0. 1208651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesunsigned CallExpr::getBuiltinCallee() const { 1209c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff // All simple function calls (e.g. func()) are implicitly cast to pointer to 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // function. As a result, we try and obtain the DeclRefExpr from the 1211c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff // ImplicitCastExpr. 1212c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(getCallee()); 1213c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff if (!ICE) // FIXME: deal with more complex calls (e.g. (func)(), (*func)()). 1214cb888967400a03504c88acedd5248d6778a82f46Chris Lattner return 0; 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1216c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ICE->getSubExpr()); 1217c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff if (!DRE) 1218cb888967400a03504c88acedd5248d6778a82f46Chris Lattner return 0; 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1220bcba201a1118d7852b8b97187d495ae2a4f49519Anders Carlsson const FunctionDecl *FDecl = dyn_cast<FunctionDecl>(DRE->getDecl()); 1221bcba201a1118d7852b8b97187d495ae2a4f49519Anders Carlsson if (!FDecl) 1222cb888967400a03504c88acedd5248d6778a82f46Chris Lattner return 0; 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12244fcd399a52ae45ed8ebfdd3a25e01cfb76fa366dDouglas Gregor if (!FDecl->getIdentifier()) 12254fcd399a52ae45ed8ebfdd3a25e01cfb76fa366dDouglas Gregor return 0; 12264fcd399a52ae45ed8ebfdd3a25e01cfb76fa366dDouglas Gregor 12277814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor return FDecl->getBuiltinID(); 1228cb888967400a03504c88acedd5248d6778a82f46Chris Lattner} 1229bcba201a1118d7852b8b97187d495ae2a4f49519Anders Carlsson 1230ba57183965f117279342903edec19766e478c9a8Richard Smithbool CallExpr::isUnevaluatedBuiltinCall(ASTContext &Ctx) const { 1231651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (unsigned BI = getBuiltinCallee()) 1232ba57183965f117279342903edec19766e478c9a8Richard Smith return Ctx.BuiltinInfo.isUnevaluated(BI); 1233ba57183965f117279342903edec19766e478c9a8Richard Smith return false; 1234ba57183965f117279342903edec19766e478c9a8Richard Smith} 1235ba57183965f117279342903edec19766e478c9a8Richard Smith 12366dde78f744382a5627a04f984a97049e0c4b5e73Anders CarlssonQualType CallExpr::getCallReturnType() const { 12376dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson QualType CalleeType = getCallee()->getType(); 12386217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *FnTypePtr = CalleeType->getAs<PointerType>()) 12396dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson CalleeType = FnTypePtr->getPointeeType(); 12406217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek else if (const BlockPointerType *BPT = CalleeType->getAs<BlockPointerType>()) 12416dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson CalleeType = BPT->getPointeeType(); 1242864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall else if (CalleeType->isSpecificPlaceholderType(BuiltinType::BoundMember)) 1243864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // This should never be overloaded and so should never return null. 1244864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall CalleeType = Expr::findBoundMemberType(getCallee()); 12455291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 1246864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall const FunctionType *FnType = CalleeType->castAs<FunctionType>(); 1247651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return FnType->getReturnType(); 12486dde78f744382a5627a04f984a97049e0c4b5e73Anders Carlsson} 1249cb888967400a03504c88acedd5248d6778a82f46Chris Lattner 12508fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel DunbarSourceLocation CallExpr::getLocStart() const { 12518fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar if (isa<CXXOperatorCallExpr>(this)) 125265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return cast<CXXOperatorCallExpr>(this)->getLocStart(); 12538fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar 12548fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar SourceLocation begin = getCallee()->getLocStart(); 12558fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar if (begin.isInvalid() && getNumArgs() > 0) 12568fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar begin = getArg(0)->getLocStart(); 12578fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar return begin; 12588fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar} 12598fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel DunbarSourceLocation CallExpr::getLocEnd() const { 12608fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar if (isa<CXXOperatorCallExpr>(this)) 126165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return cast<CXXOperatorCallExpr>(this)->getLocEnd(); 12628fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar 12638fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar SourceLocation end = getRParenLoc(); 12648fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar if (end.isInvalid() && getNumArgs() > 0) 12658fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar end = getArg(getNumArgs() - 1)->getLocEnd(); 12668fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar return end; 12678fbc6d23d61213750ba1fdcb0b4b9d3d54bbc32fDaniel Dunbar} 12682882eca5a184c78f793188083f6ce539740a5cf2John McCall 126905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperOffsetOfExpr *OffsetOfExpr::Create(const ASTContext &C, QualType type, 12708ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, 1271c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt TypeSourceInfo *tsi, 12723b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<OffsetOfNode> comps, 12733b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> exprs, 12748ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc) { 12758ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void *Mem = C.Allocate(sizeof(OffsetOfExpr) + 12763b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer sizeof(OffsetOfNode) * comps.size() + 12773b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer sizeof(Expr*) * exprs.size()); 12788ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 12793b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer return new (Mem) OffsetOfExpr(C, type, OperatorLoc, tsi, comps, exprs, 12803b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer RParenLoc); 12818ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor} 12828ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 128305ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperOffsetOfExpr *OffsetOfExpr::CreateEmpty(const ASTContext &C, 12848ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor unsigned numComps, unsigned numExprs) { 12858ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor void *Mem = C.Allocate(sizeof(OffsetOfExpr) + 12868ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor sizeof(OffsetOfNode) * numComps + 12878ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor sizeof(Expr*) * numExprs); 12888ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return new (Mem) OffsetOfExpr(numComps, numExprs); 12898ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor} 12908ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 129105ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperOffsetOfExpr::OffsetOfExpr(const ASTContext &C, QualType type, 12928ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation OperatorLoc, TypeSourceInfo *tsi, 12933b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<OffsetOfNode> comps, ArrayRef<Expr*> exprs, 12948ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor SourceLocation RParenLoc) 1295f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(OffsetOfExprClass, type, VK_RValue, OK_Ordinary, 1296f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall /*TypeDependent=*/false, 1297bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ValueDependent=*/tsi->getType()->isDependentType(), 1298561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor tsi->getType()->isInstantiationDependentType(), 1299bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor tsi->getType()->containsUnexpandedParameterPack()), 1300c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt OperatorLoc(OperatorLoc), RParenLoc(RParenLoc), TSInfo(tsi), 13013b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumComps(comps.size()), NumExprs(exprs.size()) 13028ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor{ 13033b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != comps.size(); ++i) { 13043b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer setComponent(i, comps[i]); 13058ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 1306c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13073b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != exprs.size(); ++i) { 13083b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer if (exprs[i]->isTypeDependent() || exprs[i]->isValueDependent()) 1309bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 13103b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer if (exprs[i]->containsUnexpandedParameterPack()) 1311bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 1312bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 13133b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer setIndexExpr(i, exprs[i]); 13148ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor } 13158ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor} 13168ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 13178ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas GregorIdentifierInfo *OffsetOfExpr::OffsetOfNode::getFieldName() const { 13188ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor assert(getKind() == Field || getKind() == Identifier); 13198ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor if (getKind() == Field) 13208ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return getField()->getIdentifier(); 1321c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 13228ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor return reinterpret_cast<IdentifierInfo *> (Data & ~(uintptr_t)Mask); 13238ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor} 13248ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor 132505ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperMemberExpr *MemberExpr::Create(const ASTContext &C, Expr *base, bool isarrow, 132640d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NestedNameSpecifierLoc QualifierLoc, 1327e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc, 1328f595cc41c4d95fe323f8a2b209523de9956f874dEli Friedman ValueDecl *memberdecl, 1329161755a09898c95d21bfff33707da9ca41cd53c5John McCall DeclAccessPair founddecl, 13302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo nameinfo, 1331d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo *targs, 1332f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall QualType ty, 1333f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind vk, 1334f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprObjectKind ok) { 133583f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor std::size_t Size = sizeof(MemberExpr); 13366bb8017bb9e828d118e15e59d71c66bba323c364John McCall 133740d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor bool hasQualOrFound = (QualifierLoc || 1338161755a09898c95d21bfff33707da9ca41cd53c5John McCall founddecl.getDecl() != memberdecl || 1339161755a09898c95d21bfff33707da9ca41cd53c5John McCall founddecl.getAccess() != memberdecl->getAccess()); 13406bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (hasQualOrFound) 13416bb8017bb9e828d118e15e59d71c66bba323c364John McCall Size += sizeof(MemberNameQualifier); 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1343d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (targs) 1344e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Size += ASTTemplateKWAndArgsInfo::sizeFor(targs->size()); 1345e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara else if (TemplateKWLoc.isValid()) 1346e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Size += ASTTemplateKWAndArgsInfo::sizeFor(0); 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13483248854a5d16e1de17c58e05f726bdef9f042df2Chris Lattner void *Mem = C.Allocate(Size, llvm::alignOf<MemberExpr>()); 1349f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall MemberExpr *E = new (Mem) MemberExpr(base, isarrow, memberdecl, nameinfo, 1350f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ty, vk, ok); 13516bb8017bb9e828d118e15e59d71c66bba323c364John McCall 13526bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (hasQualOrFound) { 135340d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor // FIXME: Wrong. We should be looking at the member declaration we found. 135440d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor if (QualifierLoc && QualifierLoc.getNestedNameSpecifier()->isDependent()) { 13556bb8017bb9e828d118e15e59d71c66bba323c364John McCall E->setValueDependent(true); 13566bb8017bb9e828d118e15e59d71c66bba323c364John McCall E->setTypeDependent(true); 1357561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor E->setInstantiationDependent(true); 1358561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1359561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor else if (QualifierLoc && 1360561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor QualifierLoc.getNestedNameSpecifier()->isInstantiationDependent()) 1361561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor E->setInstantiationDependent(true); 1362561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 13636bb8017bb9e828d118e15e59d71c66bba323c364John McCall E->HasQualifierOrFoundDecl = true; 13646bb8017bb9e828d118e15e59d71c66bba323c364John McCall 13656bb8017bb9e828d118e15e59d71c66bba323c364John McCall MemberNameQualifier *NQ = E->getMemberQualifier(); 136640d96a69c0e1e8c10f92d450c305a7aae696ca9cDouglas Gregor NQ->QualifierLoc = QualifierLoc; 13676bb8017bb9e828d118e15e59d71c66bba323c364John McCall NQ->FoundDecl = founddecl; 13686bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 13696bb8017bb9e828d118e15e59d71c66bba323c364John McCall 1370e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara E->HasTemplateKWAndArgsInfo = (targs || TemplateKWLoc.isValid()); 1371e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 13726bb8017bb9e828d118e15e59d71c66bba323c364John McCall if (targs) { 1373561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool Dependent = false; 1374561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent = false; 1375561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool ContainsUnexpandedParameterPack = false; 1376e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara E->getTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc, *targs, 1377e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara Dependent, 1378e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara InstantiationDependent, 1379e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara ContainsUnexpandedParameterPack); 1380561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (InstantiationDependent) 1381561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor E->setInstantiationDependent(true); 1382e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara } else if (TemplateKWLoc.isValid()) { 1383e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara E->getTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc); 13846bb8017bb9e828d118e15e59d71c66bba323c364John McCall } 13856bb8017bb9e828d118e15e59d71c66bba323c364John McCall 13866bb8017bb9e828d118e15e59d71c66bba323c364John McCall return E; 138783f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor} 138883f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor 1389396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel DunbarSourceLocation MemberExpr::getLocStart() const { 139075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (isImplicitAccess()) { 139175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (hasQualifier()) 1392396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return getQualifierLoc().getBeginLoc(); 1393396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return MemberLoc; 139475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 1395e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara 1396396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar // FIXME: We don't want this to happen. Rather, we should be able to 1397396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar // detect all kinds of implicit accesses more cleanly. 1398396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar SourceLocation BaseStartLoc = getBase()->getLocStart(); 1399396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar if (BaseStartLoc.isValid()) 1400396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return BaseStartLoc; 1401396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar return MemberLoc; 1402396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar} 1403396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel DunbarSourceLocation MemberExpr::getLocEnd() const { 140413fd684ee2c7578177b7c741e8eeec91ae628fcfAbramo Bagnara SourceLocation EndLoc = getMemberNameInfo().getEndLoc(); 1405396ec676b7a39665fa3a3f86f8e0520f8d7e93a8Daniel Dunbar if (hasExplicitTemplateArgs()) 140613fd684ee2c7578177b7c741e8eeec91ae628fcfAbramo Bagnara EndLoc = getRAngleLoc(); 140713fd684ee2c7578177b7c741e8eeec91ae628fcfAbramo Bagnara else if (EndLoc.isInvalid()) 140813fd684ee2c7578177b7c741e8eeec91ae628fcfAbramo Bagnara EndLoc = getBase()->getLocEnd(); 140913fd684ee2c7578177b7c741e8eeec91ae628fcfAbramo Bagnara return EndLoc; 141075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor} 141175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 1412651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesbool CastExpr::CastConsistency() const { 14131d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall switch (getCastKind()) { 14141d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_DerivedToBase: 14151d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_UncheckedDerivedToBase: 14161d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_DerivedToBaseMemberPointer: 14171d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_BaseToDerived: 14181d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_BaseToDerivedMemberPointer: 14191d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(!path_empty() && "Cast kind should have a base path!"); 14201d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall break; 14211d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 14221d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_CPointerToObjCPointerCast: 14231d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getType()->isObjCObjectPointerType()); 14241d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getSubExpr()->getType()->isPointerType()); 14251d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall goto CheckNoBasePath; 14261d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 14271d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_BlockPointerToObjCPointerCast: 14281d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getType()->isObjCObjectPointerType()); 14291d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getSubExpr()->getType()->isBlockPointerType()); 14301d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall goto CheckNoBasePath; 14311d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 14324d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall case CK_ReinterpretMemberPointer: 14334d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall assert(getType()->isMemberPointerType()); 14344d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall assert(getSubExpr()->getType()->isMemberPointerType()); 14354d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall goto CheckNoBasePath; 14364d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall 14371d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_BitCast: 14381d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall // Arbitrary casts to C pointer types count as bitcasts. 14391d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall // Otherwise, we should only have block and ObjC pointer casts 14401d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall // here if they stay within the type kind. 14411d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall if (!getType()->isPointerType()) { 14421d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getType()->isObjCObjectPointerType() == 14431d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall getSubExpr()->getType()->isObjCObjectPointerType()); 14441d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getType()->isBlockPointerType() == 14451d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall getSubExpr()->getType()->isBlockPointerType()); 14461d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall } 14471d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall goto CheckNoBasePath; 14481d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 14491d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_AnyPointerToBlockPointerCast: 14501d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getType()->isBlockPointerType()); 14511d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(getSubExpr()->getType()->isAnyPointerType() && 14521d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall !getSubExpr()->getType()->isBlockPointerType()); 14531d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall goto CheckNoBasePath; 14541d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 1455ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor case CK_CopyAndAutoreleaseBlockObject: 1456ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor assert(getType()->isBlockPointerType()); 1457ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor assert(getSubExpr()->getType()->isBlockPointerType()); 1458ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor goto CheckNoBasePath; 1459a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman 1460a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman case CK_FunctionToPointerDecay: 1461a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman assert(getType()->isPointerType()); 1462a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman assert(getSubExpr()->getType()->isFunctionType()); 1463a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman goto CheckNoBasePath; 1464a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman 1465651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case CK_AddressSpaceConversion: 1466651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(getType()->isPointerType()); 1467651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(getSubExpr()->getType()->isPointerType()); 1468651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines assert(getType()->getPointeeType().getAddressSpace() != 1469651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines getSubExpr()->getType()->getPointeeType().getAddressSpace()); 14701d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall // These should not have an inheritance path. 14711d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_Dynamic: 14721d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_ToUnion: 14731d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_ArrayToPointerDecay: 14741d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_NullToMemberPointer: 14751d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_NullToPointer: 14761d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_ConstructorConversion: 14771d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralToPointer: 14781d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_PointerToIntegral: 14791d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_ToVoid: 14801d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_VectorSplat: 14811d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralCast: 14821d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralToFloating: 14831d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingToIntegral: 14841d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingCast: 14851d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_ObjCObjectLValueCast: 14861d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingRealToComplex: 14871d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingComplexToReal: 14881d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingComplexCast: 14891d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingComplexToIntegralComplex: 14901d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralRealToComplex: 14911d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralComplexToReal: 14921d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralComplexCast: 14931d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralComplexToFloatingComplex: 149433e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCProduceObject: 149533e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCConsumeObject: 149633e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCReclaimReturnedObject: 149733e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCExtendBlockObject: 1498e6b9d802fb7b16d93474c4f1c179ab36202e8a8bGuy Benyei case CK_ZeroToOCLEvent: 14991d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(!getType()->isBooleanType() && "unheralded conversion to bool"); 15001d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall goto CheckNoBasePath; 15011d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 15021d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_Dependent: 15031d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_LValueToRValue: 15041d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_NoOp: 15057a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall case CK_AtomicToNonAtomic: 15067a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall case CK_NonAtomicToAtomic: 15071d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_PointerToBoolean: 15081d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralToBoolean: 15091d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingToBoolean: 15101d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_MemberPointerToBoolean: 15111d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_FloatingComplexToBoolean: 15121d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_IntegralComplexToBoolean: 15131d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_LValueBitCast: // -> bool& 15141d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_UserDefinedConversion: // operator bool() 1515a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman case CK_BuiltinFnToFnPtr: 15161d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall CheckNoBasePath: 15171d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall assert(path_empty() && "Cast kind should not have a base path!"); 15181d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall break; 15191d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall } 1520651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return true; 15211d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall} 15221d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall 1523f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlssonconst char *CastExpr::getCastKindName() const { 1524f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson switch (getCastKind()) { 1525daa8e4e888758d55a7a759dd4a91b83921cef222John McCall case CK_Dependent: 1526daa8e4e888758d55a7a759dd4a91b83921cef222John McCall return "Dependent"; 15272de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_BitCast: 1528f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "BitCast"; 15292de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_LValueBitCast: 1530e39a3894513349908cdb3beba2614e53cb288e6cDouglas Gregor return "LValueBitCast"; 15310ae287a498b8cec2086fe6b7e753cbb3df63e74aJohn McCall case CK_LValueToRValue: 15320ae287a498b8cec2086fe6b7e753cbb3df63e74aJohn McCall return "LValueToRValue"; 15332de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_NoOp: 1534f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "NoOp"; 15352de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_BaseToDerived: 153611de6de25a0110cd7be97eef761ef3b189781da6Anders Carlsson return "BaseToDerived"; 15372de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_DerivedToBase: 1538f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "DerivedToBase"; 15392de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_UncheckedDerivedToBase: 154023cba801e11b03929c44f8cf54578305963a3476John McCall return "UncheckedDerivedToBase"; 15412de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_Dynamic: 1542f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "Dynamic"; 15432de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_ToUnion: 1544f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "ToUnion"; 15452de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_ArrayToPointerDecay: 1546f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "ArrayToPointerDecay"; 15472de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_FunctionToPointerDecay: 1548f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "FunctionToPointerDecay"; 15492de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_NullToMemberPointer: 1550f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "NullToMemberPointer"; 1551404cd1669c3ba138a9ae0a619bd689cce5aae271John McCall case CK_NullToPointer: 1552404cd1669c3ba138a9ae0a619bd689cce5aae271John McCall return "NullToPointer"; 15532de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_BaseToDerivedMemberPointer: 1554f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "BaseToDerivedMemberPointer"; 15552de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_DerivedToBaseMemberPointer: 15561a31a18db9d657751f38c724adc0d62e86852bd7Anders Carlsson return "DerivedToBaseMemberPointer"; 15574d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall case CK_ReinterpretMemberPointer: 15584d4e5c1ae83f4510caa486b3ad19de13048f9f04John McCall return "ReinterpretMemberPointer"; 15592de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_UserDefinedConversion: 1560f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "UserDefinedConversion"; 15612de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_ConstructorConversion: 1562f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson return "ConstructorConversion"; 15632de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_IntegralToPointer: 15647f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson return "IntegralToPointer"; 15652de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_PointerToIntegral: 15667f9e646b7ed47bc8e9a60031ad0c2b55031e2077Anders Carlsson return "PointerToIntegral"; 1567daa8e4e888758d55a7a759dd4a91b83921cef222John McCall case CK_PointerToBoolean: 1568daa8e4e888758d55a7a759dd4a91b83921cef222John McCall return "PointerToBoolean"; 15692de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_ToVoid: 1570ebeaf2031c968143c531bfe232d7507f20c57347Anders Carlsson return "ToVoid"; 15712de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_VectorSplat: 157216a8904f3f5ed19158657e1da95e5902fbee66f7Anders Carlsson return "VectorSplat"; 15732de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_IntegralCast: 157482debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson return "IntegralCast"; 1575daa8e4e888758d55a7a759dd4a91b83921cef222John McCall case CK_IntegralToBoolean: 1576daa8e4e888758d55a7a759dd4a91b83921cef222John McCall return "IntegralToBoolean"; 15772de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_IntegralToFloating: 157882debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson return "IntegralToFloating"; 15792de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_FloatingToIntegral: 158082debc7d282e723e58d183bfa89ddc2500a8daafAnders Carlsson return "FloatingToIntegral"; 15812de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_FloatingCast: 1582c6b29163557d02da5d2a4a06f986f0480291f51fBenjamin Kramer return "FloatingCast"; 1583daa8e4e888758d55a7a759dd4a91b83921cef222John McCall case CK_FloatingToBoolean: 1584daa8e4e888758d55a7a759dd4a91b83921cef222John McCall return "FloatingToBoolean"; 15852de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_MemberPointerToBoolean: 1586bc0e0781da778bd5eb41a810419912893ae20448Anders Carlsson return "MemberPointerToBoolean"; 15871d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_CPointerToObjCPointerCast: 15881d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall return "CPointerToObjCPointerCast"; 15891d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall case CK_BlockPointerToObjCPointerCast: 15901d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall return "BlockPointerToObjCPointerCast"; 15912de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_AnyPointerToBlockPointerCast: 15923b27f1a80e4e433b503efd344c909eeafaa9033cFariborz Jahanian return "AnyPointerToBlockPointerCast"; 15932de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case CK_ObjCObjectLValueCast: 1594569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return "ObjCObjectLValueCast"; 15952bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall case CK_FloatingRealToComplex: 15962bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall return "FloatingRealToComplex"; 1597f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_FloatingComplexToReal: 1598f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "FloatingComplexToReal"; 1599f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_FloatingComplexToBoolean: 1600f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "FloatingComplexToBoolean"; 16012bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall case CK_FloatingComplexCast: 16022bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall return "FloatingComplexCast"; 1603f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_FloatingComplexToIntegralComplex: 1604f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "FloatingComplexToIntegralComplex"; 16052bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall case CK_IntegralRealToComplex: 16062bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall return "IntegralRealToComplex"; 1607f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_IntegralComplexToReal: 1608f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "IntegralComplexToReal"; 1609f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_IntegralComplexToBoolean: 1610f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "IntegralComplexToBoolean"; 16112bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall case CK_IntegralComplexCast: 16122bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall return "IntegralComplexCast"; 1613f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall case CK_IntegralComplexToFloatingComplex: 1614f3ea8cfe6b1c2ef0702efe130561e9e66708d799John McCall return "IntegralComplexToFloatingComplex"; 161533e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCConsumeObject: 161633e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall return "ARCConsumeObject"; 161733e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCProduceObject: 161833e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall return "ARCProduceObject"; 161933e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCReclaimReturnedObject: 162033e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall return "ARCReclaimReturnedObject"; 162133e56f3273457bfa22c7c50bc46cf5a18216863dJohn McCall case CK_ARCExtendBlockObject: 1622651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return "ARCExtendBlockObject"; 16237a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall case CK_AtomicToNonAtomic: 16247a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall return "AtomicToNonAtomic"; 16257a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall case CK_NonAtomicToAtomic: 16267a7ee3033e44b45630981355460ef89efa0bdcc4David Chisnall return "NonAtomicToAtomic"; 1627ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor case CK_CopyAndAutoreleaseBlockObject: 1628ac1303eca6cbe3e623fb5ec6fe7ec184ef4b0dfaDouglas Gregor return "CopyAndAutoreleaseBlockObject"; 1629a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman case CK_BuiltinFnToFnPtr: 1630a6c66cedc022c9e5d45a937d6b8cff491a6bf81bEli Friedman return "BuiltinFnToFnPtr"; 1631e6b9d802fb7b16d93474c4f1c179ab36202e8a8bGuy Benyei case CK_ZeroToOCLEvent: 1632e6b9d802fb7b16d93474c4f1c179ab36202e8a8bGuy Benyei return "ZeroToOCLEvent"; 1633651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case CK_AddressSpaceConversion: 1634651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return "AddressSpaceConversion"; 1635f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson } 16361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16372bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall llvm_unreachable("Unhandled cast kind!"); 1638f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson} 1639f8ec55a104e55961f8666f773dce99bbc628298fAnders Carlsson 16406eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas GregorExpr *CastExpr::getSubExprAsWritten() { 16416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Expr *SubExpr = nullptr; 16426eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor CastExpr *E = this; 16436eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor do { 16446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SubExpr = E->getSubExpr(); 164503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 164603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor // Skip through reference binding to temporary. 164703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (MaterializeTemporaryExpr *Materialize 164803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(SubExpr)) 164903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor SubExpr = Materialize->GetTemporaryExpr(); 165003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 16516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Skip any temporary bindings; they're implicit. 16526eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(SubExpr)) 16536eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SubExpr = Binder->getSubExpr(); 1654c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16556eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Conversions by constructor and conversion functions have a 16566eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // subexpression describing the call; strip it off. 16572de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall if (E->getCastKind() == CK_ConstructorConversion) 16586eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SubExpr = cast<CXXConstructExpr>(SubExpr)->getArg(0); 16592de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall else if (E->getCastKind() == CK_UserDefinedConversion) 16606eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SubExpr = cast<CXXMemberCallExpr>(SubExpr)->getImplicitObjectArgument(); 1661c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16626eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // If the subexpression we're left with is an implicit cast, look 16636eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // through that, too. 1664c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt } while ((E = dyn_cast<ImplicitCastExpr>(SubExpr))); 1665c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 16666eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return SubExpr; 16676eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 16686eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 1669f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallCXXBaseSpecifier **CastExpr::path_buffer() { 1670f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall switch (getStmtClass()) { 1671f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall#define ABSTRACT_STMT(x) 1672f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall#define CASTEXPR(Type, Base) \ 1673f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall case Stmt::Type##Class: \ 1674f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return reinterpret_cast<CXXBaseSpecifier**>(static_cast<Type*>(this)+1); 1675f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall#define STMT(Type, Base) 1676f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall#include "clang/AST/StmtNodes.inc" 1677f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall default: 1678f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall llvm_unreachable("non-cast expressions not possible here"); 1679f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall } 1680f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1681f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1682f871d0cc377a1367b519a6cce26be74607566ebaJohn McCallvoid CastExpr::setCastPath(const CXXCastPath &Path) { 1683f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall assert(Path.size() == path_size()); 1684f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall memcpy(path_buffer(), Path.data(), Path.size() * sizeof(CXXBaseSpecifier*)); 1685f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1686f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 168705ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperImplicitCastExpr *ImplicitCastExpr::Create(const ASTContext &C, QualType T, 1688f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CastKind Kind, Expr *Operand, 1689f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *BasePath, 16905baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall ExprValueKind VK) { 1691f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize = (BasePath ? BasePath->size() : 0); 1692f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void *Buffer = 1693f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall C.Allocate(sizeof(ImplicitCastExpr) + PathSize * sizeof(CXXBaseSpecifier*)); 1694f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr *E = 16955baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall new (Buffer) ImplicitCastExpr(T, Kind, Operand, PathSize, VK); 1696f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall if (PathSize) E->setCastPath(*BasePath); 1697f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return E; 1698f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1699f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 170005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperImplicitCastExpr *ImplicitCastExpr::CreateEmpty(const ASTContext &C, 1701f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize) { 1702f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void *Buffer = 1703f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall C.Allocate(sizeof(ImplicitCastExpr) + PathSize * sizeof(CXXBaseSpecifier*)); 1704f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return new (Buffer) ImplicitCastExpr(EmptyShell(), PathSize); 1705f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1706f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 1707f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 170805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCStyleCastExpr *CStyleCastExpr::Create(const ASTContext &C, QualType T, 1709f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, CastKind K, Expr *Op, 1710f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall const CXXCastPath *BasePath, 1711f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall TypeSourceInfo *WrittenTy, 1712f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation L, SourceLocation R) { 1713f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall unsigned PathSize = (BasePath ? BasePath->size() : 0); 1714f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void *Buffer = 1715f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall C.Allocate(sizeof(CStyleCastExpr) + PathSize * sizeof(CXXBaseSpecifier*)); 1716f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall CStyleCastExpr *E = 1717f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Buffer) CStyleCastExpr(T, VK, K, Op, PathSize, WrittenTy, L, R); 1718f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall if (PathSize) E->setCastPath(*BasePath); 1719f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return E; 1720f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1721f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 172205ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperCStyleCastExpr *CStyleCastExpr::CreateEmpty(const ASTContext &C, 172305ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper unsigned PathSize) { 1724f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall void *Buffer = 1725f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall C.Allocate(sizeof(CStyleCastExpr) + PathSize * sizeof(CXXBaseSpecifier*)); 1726f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return new (Buffer) CStyleCastExpr(EmptyShell(), PathSize); 1727f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall} 1728f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// corresponds to, e.g. "<<=". 17310bea86307eb8c16339315a1e261fc490eb505c5bDavid BlaikieStringRef BinaryOperator::getOpcodeStr(Opcode Op) { 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Op) { 17332de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_PtrMemD: return ".*"; 17342de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_PtrMemI: return "->*"; 17352de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Mul: return "*"; 17362de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Div: return "/"; 17372de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Rem: return "%"; 17382de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Add: return "+"; 17392de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Sub: return "-"; 17402de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Shl: return "<<"; 17412de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Shr: return ">>"; 17422de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LT: return "<"; 17432de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_GT: return ">"; 17442de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LE: return "<="; 17452de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_GE: return ">="; 17462de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_EQ: return "=="; 17472de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_NE: return "!="; 17482de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_And: return "&"; 17492de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Xor: return "^"; 17502de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Or: return "|"; 17512de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LAnd: return "&&"; 17522de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LOr: return "||"; 17532de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Assign: return "="; 17542de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_MulAssign: return "*="; 17552de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_DivAssign: return "/="; 17562de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_RemAssign: return "%="; 17572de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_AddAssign: return "+="; 17582de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_SubAssign: return "-="; 17592de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_ShlAssign: return "<<="; 17602de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_ShrAssign: return ">>="; 17612de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_AndAssign: return "&="; 17622de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_XorAssign: return "^="; 17632de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_OrAssign: return "|="; 17642de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Comma: return ","; 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1766baf534875ed0a55c6342636ff3f4602b8ac22b69Douglas Gregor 17673026348bd4c13a0f83b59839f64065e0fcbea253David Blaikie llvm_unreachable("Invalid OpCode!"); 17685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17702de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCallBinaryOperatorKind 1771063daf6e196c51f162e0485478355d8e280eef5cDouglas GregorBinaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO) { 1772063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor switch (OO) { 1773b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Not an overloadable binary operator"); 17742de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Plus: return BO_Add; 17752de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Minus: return BO_Sub; 17762de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Star: return BO_Mul; 17772de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Slash: return BO_Div; 17782de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Percent: return BO_Rem; 17792de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Caret: return BO_Xor; 17802de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Amp: return BO_And; 17812de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Pipe: return BO_Or; 17822de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Equal: return BO_Assign; 17832de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Less: return BO_LT; 17842de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Greater: return BO_GT; 17852de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_PlusEqual: return BO_AddAssign; 17862de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_MinusEqual: return BO_SubAssign; 17872de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_StarEqual: return BO_MulAssign; 17882de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_SlashEqual: return BO_DivAssign; 17892de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_PercentEqual: return BO_RemAssign; 17902de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_CaretEqual: return BO_XorAssign; 17912de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_AmpEqual: return BO_AndAssign; 17922de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_PipeEqual: return BO_OrAssign; 17932de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_LessLess: return BO_Shl; 17942de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_GreaterGreater: return BO_Shr; 17952de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_LessLessEqual: return BO_ShlAssign; 17962de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_GreaterGreaterEqual: return BO_ShrAssign; 17972de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_EqualEqual: return BO_EQ; 17982de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_ExclaimEqual: return BO_NE; 17992de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_LessEqual: return BO_LE; 18002de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_GreaterEqual: return BO_GE; 18012de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_AmpAmp: return BO_LAnd; 18022de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_PipePipe: return BO_LOr; 18032de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_Comma: return BO_Comma; 18042de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case OO_ArrowStar: return BO_PtrMemI; 1805063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor } 1806063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor} 1807063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 1808063daf6e196c51f162e0485478355d8e280eef5cDouglas GregorOverloadedOperatorKind BinaryOperator::getOverloadedOperator(Opcode Opc) { 1809063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor static const OverloadedOperatorKind OverOps[] = { 1810063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor /* .* Cannot be overloaded */OO_None, OO_ArrowStar, 1811063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Star, OO_Slash, OO_Percent, 1812063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Plus, OO_Minus, 1813063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_LessLess, OO_GreaterGreater, 1814063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Less, OO_Greater, OO_LessEqual, OO_GreaterEqual, 1815063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_EqualEqual, OO_ExclaimEqual, 1816063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Amp, 1817063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Caret, 1818063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Pipe, 1819063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_AmpAmp, 1820063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_PipePipe, 1821063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Equal, OO_StarEqual, 1822063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_SlashEqual, OO_PercentEqual, 1823063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_PlusEqual, OO_MinusEqual, 1824063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_LessLessEqual, OO_GreaterGreaterEqual, 1825063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_AmpEqual, OO_CaretEqual, 1826063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_PipeEqual, 1827063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor OO_Comma 1828063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor }; 1829063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return OverOps[Opc]; 1830063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor} 1831063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor 183205ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperInitListExpr::InitListExpr(const ASTContext &C, SourceLocation lbraceloc, 18333b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> initExprs, SourceLocation rbraceloc) 1834bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(InitListExprClass, QualType(), VK_RValue, OK_Ordinary, false, false, 1835561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false), 18363b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer InitExprs(C, initExprs.size()), 18376bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines LBraceLoc(lbraceloc), RBraceLoc(rbraceloc), AltForm(nullptr, true) 183832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl{ 183932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl sawArrayRangeDesignator(false); 18403b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned I = 0; I != initExprs.size(); ++I) { 1841ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek if (initExprs[I]->isTypeDependent()) 18428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBits.TypeDependent = true; 1843ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek if (initExprs[I]->isValueDependent()) 18448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBits.ValueDependent = true; 1845561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (initExprs[I]->isInstantiationDependent()) 1846561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 1847bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (initExprs[I]->containsUnexpandedParameterPack()) 1848bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 184973460a32bc5299a5927d23d2e464d72af796eabfDouglas Gregor } 1850c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 18513b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer InitExprs.insert(C, InitExprs.end(), initExprs.begin(), initExprs.end()); 185266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson} 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 185405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid InitListExpr::reserveInits(const ASTContext &C, unsigned NumInits) { 1855ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek if (NumInits > InitExprs.size()) 1856709210feee317b8d6690dd1d15c2b74cfe55e261Ted Kremenek InitExprs.reserve(C, NumInits); 1857fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor} 1858fa2192042f223b5122a9e17719930f77634fd31fDouglas Gregor 185905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid InitListExpr::resizeInits(const ASTContext &C, unsigned NumInits) { 18606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines InitExprs.resize(C, NumInits, nullptr); 18614c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor} 18624c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 186305ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperExpr *InitListExpr::updateInit(const ASTContext &C, unsigned Init, Expr *expr) { 1864ba7bc5584b8d46f4e8deb3a9d363256908fa86eaTed Kremenek if (Init >= InitExprs.size()) { 18656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines InitExprs.insert(C, InitExprs.end(), Init - InitExprs.size() + 1, nullptr); 1866651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines setInit(Init, expr); 18676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 18684c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor } 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18704c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor Expr *Result = cast_or_null<Expr>(InitExprs[Init]); 1871651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines setInit(Init, expr); 18724c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor return Result; 18734c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor} 18744c67834407ca6ab344dcf44fc599ad4938cfa96dDouglas Gregor 18753e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidisvoid InitListExpr::setArrayFiller(Expr *filler) { 187621f77cd0c3da8a1dbaf6245cae43baf4c0b80ea4Argyrios Kyrtzidis assert(!hasArrayFiller() && "Filler already set!"); 18773e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis ArrayFillerOrUnionFieldInit = filler; 18783e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis // Fill out any "holes" in the array due to designated initializers. 18793e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis Expr **inits = getInits(); 18803e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis for (unsigned i = 0, e = getNumInits(); i != e; ++i) 18816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (inits[i] == nullptr) 18823e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis inits[i] = filler; 18833e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis} 18843e8dc2ac8926dfbebd8f2f6b74ceba4befccd4d2Argyrios Kyrtzidis 1885fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smithbool InitListExpr::isStringLiteralInit() const { 1886fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith if (getNumInits() != 1) 1887fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith return false; 1888f0a26499c0ef62c7940b596be092315922a46ab7Eli Friedman const ArrayType *AT = getType()->getAsArrayTypeUnsafe(); 1889f0a26499c0ef62c7940b596be092315922a46ab7Eli Friedman if (!AT || !AT->getElementType()->isIntegerType()) 1890fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith return false; 1891651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // It is possible for getInit() to return null. 1892651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines const Expr *Init = getInit(0); 1893651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!Init) 1894651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return false; 1895651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Init = Init->IgnoreParens(); 1896fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith return isa<StringLiteral>(Init) || isa<ObjCEncodeExpr>(Init); 1897fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith} 1898fe587201feaebc69e6d18858bea85c77926b6ecfRichard Smith 189965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik VerbruggenSourceLocation InitListExpr::getLocStart() const { 190023700f083fb72f5c6792e253f203a43aba3cef86Abramo Bagnara if (InitListExpr *SyntacticForm = getSyntacticForm()) 190165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SyntacticForm->getLocStart(); 190265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation Beg = LBraceLoc; 1903c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek if (Beg.isInvalid()) { 1904c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek // Find the first non-null initializer. 1905c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek for (InitExprsTy::const_iterator I = InitExprs.begin(), 1906c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek E = InitExprs.end(); 1907c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek I != E; ++I) { 1908c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek if (Stmt *S = *I) { 1909c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek Beg = S->getLocStart(); 1910c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek break; 1911c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek } 1912c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek } 1913c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek } 191465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return Beg; 191565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen} 191665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 191765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik VerbruggenSourceLocation InitListExpr::getLocEnd() const { 191865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen if (InitListExpr *SyntacticForm = getSyntacticForm()) 191965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SyntacticForm->getLocEnd(); 192065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation End = RBraceLoc; 1921c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek if (End.isInvalid()) { 1922c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek // Find the first non-null initializer from the end. 1923c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek for (InitExprsTy::const_reverse_iterator I = InitExprs.rbegin(), 192465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen E = InitExprs.rend(); 192565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen I != E; ++I) { 1926c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek if (Stmt *S = *I) { 192765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen End = S->getLocEnd(); 1928c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek break; 192965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 1930c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek } 1931c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek } 193265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return End; 1933c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek} 1934c4ba51f365a3cd3374b3ef87272a9b3e517cd5d3Ted Kremenek 1935bfdcae678d44906293e21c0cddc6537f3ee8b5a4Steve Naroff/// getFunctionType - Return the underlying function type for this block. 19364eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// 1937a345edb668380691fc92d4e4aa0a5ffec366ca6aJohn McCallconst FunctionProtoType *BlockExpr::getFunctionType() const { 1938a345edb668380691fc92d4e4aa0a5ffec366ca6aJohn McCall // The block pointer is never sugared, but the function type might be. 1939a345edb668380691fc92d4e4aa0a5ffec366ca6aJohn McCall return cast<BlockPointerType>(getType()) 1940a345edb668380691fc92d4e4aa0a5ffec366ca6aJohn McCall ->getPointeeType()->castAs<FunctionProtoType>(); 19414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff} 19424eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpSourceLocation BlockExpr::getCaretLocation() const { 19441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return TheBlock->getCaretLocation(); 194556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpconst Stmt *BlockExpr::getBody() const { 19477297134f128423fce2e88f92421ed135bded7d4eDouglas Gregor return TheBlock->getBody(); 19487297134f128423fce2e88f92421ed135bded7d4eDouglas Gregor} 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpStmt *BlockExpr::getBody() { 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return TheBlock->getBody(); 19517297134f128423fce2e88f92421ed135bded7d4eDouglas Gregor} 195256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 195356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Generic Expression Routines 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1958026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner/// isUnusedResultAWarning - Return true if this immediate expression should 1959026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner/// be warned about if the result is unused. If so, fill in Loc and Ranges 1960026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner/// with location to warn on and the source range[s] to report with the 1961026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner/// warning. 1962a6115068cde719142eb394db88612c185cabd05bEli Friedmanbool Expr::isUnusedResultAWarning(const Expr *&WarnE, SourceLocation &Loc, 1963a6115068cde719142eb394db88612c185cabd05bEli Friedman SourceRange &R1, SourceRange &R2, 1964a6115068cde719142eb394db88612c185cabd05bEli Friedman ASTContext &Ctx) const { 1965ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson // Don't warn if the expr is type dependent. The type could end up 1966ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson // instantiating to void. 1967ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson if (isTypeDependent()) 1968ffce2df6ae280d354d51371282a579df1eb86876Anders Carlsson return false; 19691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (getStmtClass()) { 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 19720faede6f31b07bcec7b776f2b420c3ea9bb3e58cJohn McCall if (getType()->isVoidType()) 19730faede6f31b07bcec7b776f2b420c3ea9bb3e58cJohn McCall return false; 1974a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 1975026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = getExprLoc(); 1976026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = getSourceRange(); 1977026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case ParenExprClass: 1979026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return cast<ParenExpr>(this)->getSubExpr()-> 1980a6115068cde719142eb394db88612c185cabd05bEli Friedman isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 1981f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne case GenericSelectionExprClass: 1982f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<GenericSelectionExpr>(this)->getResultExpr()-> 1983a6115068cde719142eb394db88612c185cabd05bEli Friedman isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 1984a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman case ChooseExprClass: 1985a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return cast<ChooseExpr>(this)->getChosenSubExpr()-> 1986a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case UnaryOperatorClass: { 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const UnaryOperator *UO = cast<UnaryOperator>(this); 19891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (UO->getOpcode()) { 1991a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_Plus: 1992a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_Minus: 1993a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_AddrOf: 1994a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_Not: 1995a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_LNot: 1996a6115068cde719142eb394db88612c185cabd05bEli Friedman case UO_Deref: 1997a6115068cde719142eb394db88612c185cabd05bEli Friedman break; 19982de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostInc: 19992de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PostDec: 20002de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PreInc: 20012de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_PreDec: // ++/-- 2002026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; // Not a warning. 20032de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Real: 20042de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Imag: 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // accessing a piece of a volatile complex is a side-effect. 2006df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump if (Ctx.getCanonicalType(UO->getSubExpr()->getType()) 2007df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump .isVolatileQualified()) 2008026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 2009026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner break; 20102de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case UO_Extension: 2011a6115068cde719142eb394db88612c185cabd05bEli Friedman return UO->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2013a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2014026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = UO->getOperatorLoc(); 2015026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = UO->getSubExpr()->getSourceRange(); 2016026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2018e7716e6133e23e4a89248a65a388bc840d8c130cChris Lattner case BinaryOperatorClass: { 2019026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner const BinaryOperator *BO = cast<BinaryOperator>(this); 2020c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek switch (BO->getOpcode()) { 2021c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek default: 2022c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek break; 202325973455aed1cdc9c40b208c792b5db4f8f1297dArgyrios Kyrtzidis // Consider the RHS of comma for side effects. LHS was checked by 202425973455aed1cdc9c40b208c792b5db4f8f1297dArgyrios Kyrtzidis // Sema::CheckCommaOperands. 20252de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_Comma: 2026c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek // ((foo = <blah>), 0) is an idiom for hiding the result (and 2027c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek // lvalue-ness) of an assignment written in a macro. 2028c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek if (IntegerLiteral *IE = 2029c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek dyn_cast<IntegerLiteral>(BO->getRHS()->IgnoreParens())) 2030c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek if (IE->getValue() == 0) 2031c46a246f5fb00bf8448a1081e7d7e73bb6dbfbf5Ted Kremenek return false; 2032a6115068cde719142eb394db88612c185cabd05bEli Friedman return BO->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 203325973455aed1cdc9c40b208c792b5db4f8f1297dArgyrios Kyrtzidis // Consider '||', '&&' to have side effects if the LHS or RHS does. 20342de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LAnd: 20352de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall case BO_LOr: 2036a6115068cde719142eb394db88612c185cabd05bEli Friedman if (!BO->getLHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx) || 2037a6115068cde719142eb394db88612c185cabd05bEli Friedman !BO->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)) 203825973455aed1cdc9c40b208c792b5db4f8f1297dArgyrios Kyrtzidis return false; 203925973455aed1cdc9c40b208c792b5db4f8f1297dArgyrios Kyrtzidis break; 2040bf0ee354163f87623a4b60412544243911332343John McCall } 2041026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (BO->isAssignmentOp()) 2042026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 2043a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2044026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = BO->getOperatorLoc(); 2045026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = BO->getLHS()->getSourceRange(); 2046026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R2 = BO->getRHS()->getSourceRange(); 2047026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 2048e7716e6133e23e4a89248a65a388bc840d8c130cChris Lattner } 2049eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner case CompoundAssignOperatorClass: 2050c6dfe194f623b02c123759f235b504d4850fc178Douglas Gregor case VAArgExprClass: 2051276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman case AtomicExprClass: 2052026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 20535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2054ab38e4b50268633f037a10841fdfb612513f8d33Fariborz Jahanian case ConditionalOperatorClass: { 2055fb7cb35fa0a8131853b1b049ca7be77980e144f5Ted Kremenek // If only one of the LHS or RHS is a warning, the operator might 2056fb7cb35fa0a8131853b1b049ca7be77980e144f5Ted Kremenek // be being used for control flow. Only warn if both the LHS and 2057fb7cb35fa0a8131853b1b049ca7be77980e144f5Ted Kremenek // RHS are warnings. 2058ab38e4b50268633f037a10841fdfb612513f8d33Fariborz Jahanian const ConditionalOperator *Exp = cast<ConditionalOperator>(this); 2059a6115068cde719142eb394db88612c185cabd05bEli Friedman if (!Exp->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)) 2060fb7cb35fa0a8131853b1b049ca7be77980e144f5Ted Kremenek return false; 2061fb7cb35fa0a8131853b1b049ca7be77980e144f5Ted Kremenek if (!Exp->getLHS()) 2062026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 2063a6115068cde719142eb394db88612c185cabd05bEli Friedman return Exp->getLHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 2064ab38e4b50268633f037a10841fdfb612513f8d33Fariborz Jahanian } 2065ab38e4b50268633f037a10841fdfb612513f8d33Fariborz Jahanian 20665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case MemberExprClass: 2067a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2068026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = cast<MemberExpr>(this)->getMemberLoc(); 2069026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = SourceRange(Loc, Loc); 2070026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R2 = cast<MemberExpr>(this)->getBase()->getSourceRange(); 2071026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 20721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case ArraySubscriptExprClass: 2074a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2075026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = cast<ArraySubscriptExpr>(this)->getRBracketLoc(); 2076026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = cast<ArraySubscriptExpr>(this)->getLHS()->getSourceRange(); 2077026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R2 = cast<ArraySubscriptExpr>(this)->getRHS()->getSourceRange(); 2078026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 2079211f6adf1301a1461015fb6cb08a05f0a35b65f3Eli Friedman 20809b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth case CXXOperatorCallExprClass: { 2081651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Warn about operator ==,!=,<,>,<=, and >= even when user-defined operator 20829b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth // overloads as there is no reasonable way to define these such that they 20839b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth // have non-trivial, desirable side-effects. See the -Wunused-comparison 2084651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // warning: operators == and != are commonly typo'ed, and so warning on them 20859b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth // provides additional value as well. If this list is updated, 20869b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth // DiagnoseUnusedComparison should be as well. 20879b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth const CXXOperatorCallExpr *Op = cast<CXXOperatorCallExpr>(this); 2088651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines switch (Op->getOperator()) { 2089651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines default: 2090651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 2091651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_EqualEqual: 2092651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_ExclaimEqual: 2093651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_Less: 2094651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_Greater: 2095651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_GreaterEqual: 2096651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case OO_LessEqual: 20976bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Op->getCallReturnType()->isReferenceType() || 20986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Op->getCallReturnType()->isVoidType()) 20996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2100a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 21016e5218367c513fe02d1c7210023d40739ecb1572Matt Beaumont-Gay Loc = Op->getOperatorLoc(); 21026e5218367c513fe02d1c7210023d40739ecb1572Matt Beaumont-Gay R1 = Op->getSourceRange(); 21039b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth return true; 21046e5218367c513fe02d1c7210023d40739ecb1572Matt Beaumont-Gay } 21059b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth 21069b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth // Fallthrough for generic call handling. 21079b10683a3f222d8dc6e139073ca96b97b439747bChandler Carruth } 21085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case CallExprClass: 21099fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith case CXXMemberCallExprClass: 21109fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith case UserDefinedLiteralClass: { 2111026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner // If this is a direct call, get the callee. 2112026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner const CallExpr *CE = cast<CallExpr>(this); 2113d20254f2875d0004c57ee766f258dbcee29f4841Nuno Lopes if (const Decl *FD = CE->getCalleeDecl()) { 2114026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner // If the callee has attribute pure, const, or warn_unused_result, warn 2115026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner // about it. void foo() { strlen("bar"); } should warn. 2116bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner // 2117bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner // Note: If new cases are added here, DiagnoseUnusedExprResult should be 2118bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner // updated to match for QoI. 2119651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (FD->hasAttr<WarnUnusedResultAttr>() || 2120651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines FD->hasAttr<PureAttr>() || FD->hasAttr<ConstAttr>()) { 2121a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2122bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner Loc = CE->getCallee()->getLocStart(); 2123bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner R1 = CE->getCallee()->getSourceRange(); 2124bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner 2125bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner if (unsigned NumArgs = CE->getNumArgs()) 2126bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner R2 = SourceRange(CE->getArg(0)->getLocStart(), 2127bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner CE->getArg(NumArgs-1)->getLocEnd()); 2128bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner return true; 2129bc8d42c6f1565c0b2f93ad524edebfd7a4e6cac6Chris Lattner } 2130026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 2131026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 2132026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 213358beed91d468863b8c85bce43425422703838d27Anders Carlsson 213484c3b9745f813a784b5d8ce77f2785750523d9ebMatt Beaumont-Gay // If we don't know precisely what we're looking at, let's not warn. 213584c3b9745f813a784b5d8ce77f2785750523d9ebMatt Beaumont-Gay case UnresolvedLookupExprClass: 213684c3b9745f813a784b5d8ce77f2785750523d9ebMatt Beaumont-Gay case CXXUnresolvedConstructExprClass: 213784c3b9745f813a784b5d8ce77f2785750523d9ebMatt Beaumont-Gay return false; 213884c3b9745f813a784b5d8ce77f2785750523d9ebMatt Beaumont-Gay 213958beed91d468863b8c85bce43425422703838d27Anders Carlsson case CXXTemporaryObjectExprClass: 214081e4549fede62835235a53c024909c3fab6b73acLubos Lunak case CXXConstructExprClass: { 214181e4549fede62835235a53c024909c3fab6b73acLubos Lunak if (const CXXRecordDecl *Type = getType()->getAsCXXRecordDecl()) { 214281e4549fede62835235a53c024909c3fab6b73acLubos Lunak if (Type->hasAttr<WarnUnusedAttr>()) { 214381e4549fede62835235a53c024909c3fab6b73acLubos Lunak WarnE = this; 214481e4549fede62835235a53c024909c3fab6b73acLubos Lunak Loc = getLocStart(); 214581e4549fede62835235a53c024909c3fab6b73acLubos Lunak R1 = getSourceRange(); 214681e4549fede62835235a53c024909c3fab6b73acLubos Lunak return true; 214781e4549fede62835235a53c024909c3fab6b73acLubos Lunak } 214881e4549fede62835235a53c024909c3fab6b73acLubos Lunak } 214958beed91d468863b8c85bce43425422703838d27Anders Carlsson return false; 215081e4549fede62835235a53c024909c3fab6b73acLubos Lunak } 215158beed91d468863b8c85bce43425422703838d27Anders Carlsson 2152f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian case ObjCMessageExprClass: { 2153f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian const ObjCMessageExpr *ME = cast<ObjCMessageExpr>(this); 21544e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Ctx.getLangOpts().ObjCAutoRefCount && 2155f85e193739c953358c865005855253af4f68a497John McCall ME->isInstanceMessage() && 2156f85e193739c953358c865005855253af4f68a497John McCall !ME->getType()->isVoidType() && 21574bdb602d1a70ea432aad909825eb4748a2aca768Jean-Daniel Dupas ME->getMethodFamily() == OMF_init) { 2158a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2159f85e193739c953358c865005855253af4f68a497John McCall Loc = getExprLoc(); 2160f85e193739c953358c865005855253af4f68a497John McCall R1 = ME->getSourceRange(); 2161f85e193739c953358c865005855253af4f68a497John McCall return true; 2162f85e193739c953358c865005855253af4f68a497John McCall } 2163f85e193739c953358c865005855253af4f68a497John McCall 2164f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian const ObjCMethodDecl *MD = ME->getMethodDecl(); 2165651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (MD && MD->hasAttr<WarnUnusedResultAttr>()) { 2166a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2167f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian Loc = getExprLoc(); 2168f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian return true; 2169f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian } 2170026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 2171f031774aa2638b4d3f487e7e44180c1f89b867efFariborz Jahanian } 21721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall case ObjCPropertyRefExprClass: 2174a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 21755e94a0d82b1f49be41c35a73106b219e3f588c8cChris Lattner Loc = getExprLoc(); 21765e94a0d82b1f49be41c35a73106b219e3f588c8cChris Lattner R1 = getSourceRange(); 2177a50089ec68a583d13718107c1b0c898f0903709eChris Lattner return true; 217812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 21794b9c2d235fb9449e249d74f48ecfec601650de93John McCall case PseudoObjectExprClass: { 21804b9c2d235fb9449e249d74f48ecfec601650de93John McCall const PseudoObjectExpr *PO = cast<PseudoObjectExpr>(this); 21814b9c2d235fb9449e249d74f48ecfec601650de93John McCall 21824b9c2d235fb9449e249d74f48ecfec601650de93John McCall // Only complain about things that have the form of a getter. 21834b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (isa<UnaryOperator>(PO->getSyntacticForm()) || 21844b9c2d235fb9449e249d74f48ecfec601650de93John McCall isa<BinaryOperator>(PO->getSyntacticForm())) 21854b9c2d235fb9449e249d74f48ecfec601650de93John McCall return false; 21864b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2187a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 21884b9c2d235fb9449e249d74f48ecfec601650de93John McCall Loc = getExprLoc(); 21894b9c2d235fb9449e249d74f48ecfec601650de93John McCall R1 = getSourceRange(); 21904b9c2d235fb9449e249d74f48ecfec601650de93John McCall return true; 21914b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 21924b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2193611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner case StmtExprClass: { 2194611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner // Statement exprs don't logically have side effects themselves, but are 2195611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner // sometimes used in macros in ways that give them a type that is unused. 2196611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner // For example ({ blah; foo(); }) will end up with a type if foo has a type. 2197611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner // however, if the result of the stmt expr is dead, we don't want to emit a 2198611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner // warning. 2199611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner const CompoundStmt *CS = cast<StmtExpr>(this)->getSubStmt(); 2200d2827af6f96d441d72315dbe6d8505c3be0f2aa6Argyrios Kyrtzidis if (!CS->body_empty()) { 2201611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner if (const Expr *E = dyn_cast<Expr>(CS->body_back())) 2202a6115068cde719142eb394db88612c185cabd05bEli Friedman return E->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 2203d2827af6f96d441d72315dbe6d8505c3be0f2aa6Argyrios Kyrtzidis if (const LabelStmt *Label = dyn_cast<LabelStmt>(CS->body_back())) 2204d2827af6f96d441d72315dbe6d8505c3be0f2aa6Argyrios Kyrtzidis if (const Expr *E = dyn_cast<Expr>(Label->getSubStmt())) 2205a6115068cde719142eb394db88612c185cabd05bEli Friedman return E->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 2206d2827af6f96d441d72315dbe6d8505c3be0f2aa6Argyrios Kyrtzidis } 22071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22080faede6f31b07bcec7b776f2b420c3ea9bb3e58cJohn McCall if (getType()->isVoidType()) 22090faede6f31b07bcec7b776f2b420c3ea9bb3e58cJohn McCall return false; 2210a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 2211026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Loc = cast<StmtExpr>(this)->getLParenLoc(); 2212026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner R1 = getSourceRange(); 2213026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 2214611b2eccaf3869f32de51ecc02985426d1c0aaefChris Lattner } 22156319917b5021e9602389b49ca4f245d235e9b90aEli Friedman case CXXFunctionalCastExprClass: 2216a6115068cde719142eb394db88612c185cabd05bEli Friedman case CStyleCastExprClass: { 22174059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman // Ignore an explicit cast to void unless the operand is a non-trivial 2218a6115068cde719142eb394db88612c185cabd05bEli Friedman // volatile lvalue. 22194059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman const CastExpr *CE = cast<CastExpr>(this); 2220a6115068cde719142eb394db88612c185cabd05bEli Friedman if (CE->getCastKind() == CK_ToVoid) { 2221a6115068cde719142eb394db88612c185cabd05bEli Friedman if (CE->getSubExpr()->isGLValue() && 22224059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman CE->getSubExpr()->getType().isVolatileQualified()) { 22234059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman const DeclRefExpr *DRE = 22244059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman dyn_cast<DeclRefExpr>(CE->getSubExpr()->IgnoreParens()); 22254059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman if (!(DRE && isa<VarDecl>(DRE->getDecl()) && 22264059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman cast<VarDecl>(DRE->getDecl())->hasLocalStorage())) { 22274059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman return CE->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, 22284059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman R1, R2, Ctx); 22294059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman } 22304059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman } 22310faede6f31b07bcec7b776f2b420c3ea9bb3e58cJohn McCall return false; 2232a6115068cde719142eb394db88612c185cabd05bEli Friedman } 22334059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman 2234a6115068cde719142eb394db88612c185cabd05bEli Friedman // If this is a cast to a constructor conversion, check the operand. 223558beed91d468863b8c85bce43425422703838d27Anders Carlsson // Otherwise, the result of the cast is unused. 2236a6115068cde719142eb394db88612c185cabd05bEli Friedman if (CE->getCastKind() == CK_ConstructorConversion) 2237a6115068cde719142eb394db88612c185cabd05bEli Friedman return CE->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 22384059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman 2239a6115068cde719142eb394db88612c185cabd05bEli Friedman WarnE = this; 22404059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman if (const CXXFunctionalCastExpr *CXXCE = 22414059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman dyn_cast<CXXFunctionalCastExpr>(this)) { 2242cdd4b78583120222b82148626119b3e80ae1d291Eli Friedman Loc = CXXCE->getLocStart(); 22434059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman R1 = CXXCE->getSubExpr()->getSourceRange(); 22444059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman } else { 22454059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman const CStyleCastExpr *CStyleCE = cast<CStyleCastExpr>(this); 22464059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman Loc = CStyleCE->getLParenLoc(); 22474059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman R1 = CStyleCE->getSubExpr()->getSourceRange(); 22484059da87fa2fe9f415c9656dc63e75d5d4a489efEli Friedman } 2249026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return true; 225058beed91d468863b8c85bce43425422703838d27Anders Carlsson } 2251a6115068cde719142eb394db88612c185cabd05bEli Friedman case ImplicitCastExprClass: { 2252a6115068cde719142eb394db88612c185cabd05bEli Friedman const CastExpr *ICE = cast<ImplicitCastExpr>(this); 2253a6115068cde719142eb394db88612c185cabd05bEli Friedman 2254a6115068cde719142eb394db88612c185cabd05bEli Friedman // lvalue-to-rvalue conversion on a volatile lvalue is a side-effect. 2255a6115068cde719142eb394db88612c185cabd05bEli Friedman if (ICE->getCastKind() == CK_LValueToRValue && 2256a6115068cde719142eb394db88612c185cabd05bEli Friedman ICE->getSubExpr()->getType().isVolatileQualified()) 2257a6115068cde719142eb394db88612c185cabd05bEli Friedman return false; 22584be1f47de20525ad90f02ba8682a7e2cbd3205d1Eli Friedman 2259a6115068cde719142eb394db88612c185cabd05bEli Friedman return ICE->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); 2260a6115068cde719142eb394db88612c185cabd05bEli Friedman } 226104421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner case CXXDefaultArgExprClass: 2262df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump return (cast<CXXDefaultArgExpr>(this) 2263a6115068cde719142eb394db88612c185cabd05bEli Friedman ->getExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); 2264c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith case CXXDefaultInitExprClass: 2265c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith return (cast<CXXDefaultInitExpr>(this) 2266c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith ->getExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); 22674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 22684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl case CXXNewExprClass: 22694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // FIXME: In theory, there might be new expressions that don't have side 22704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // effects (e.g. a placement new with an uninitialized POD). 22714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl case CXXDeleteExprClass: 2272026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return false; 22732d46eb21eb2c904831b0e9f75ab3523384c70e66Anders Carlsson case CXXBindTemporaryExprClass: 2274df317bf71653eeb235da8337b1e8e790f9653aa4Mike Stump return (cast<CXXBindTemporaryExpr>(this) 2275a6115068cde719142eb394db88612c185cabd05bEli Friedman ->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); 22764765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall case ExprWithCleanupsClass: 22774765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall return (cast<ExprWithCleanups>(this) 2278a6115068cde719142eb394db88612c185cabd05bEli Friedman ->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); 22794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 22805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 228244baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian/// isOBJCGCCandidate - Check if an expression is objc gc'able. 22837f4f86a2167abc116275e49c81350fc3225485e5Fariborz Jahanian/// returns true, if it is; false otherwise. 2284102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanianbool Expr::isOBJCGCCandidate(ASTContext &Ctx) const { 2285f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const Expr *E = IgnoreParens(); 2286f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne switch (E->getStmtClass()) { 228744baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian default: 228844baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian return false; 228944baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian case ObjCIvarRefExprClass: 229044baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian return true; 2291207c5210eb0ac7b632609f0c006eb97ef2738948Fariborz Jahanian case Expr::UnaryOperatorClass: 2292f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<UnaryOperator>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); 229344baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian case ImplicitCastExprClass: 2294f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<ImplicitCastExpr>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); 229503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor case MaterializeTemporaryExprClass: 229603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return cast<MaterializeTemporaryExpr>(E)->GetTemporaryExpr() 229703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor ->isOBJCGCCandidate(Ctx); 229806b89124a9a5971a0528cc9da6817740bac43164Fariborz Jahanian case CStyleCastExprClass: 2299f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<CStyleCastExpr>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); 2300a2813cec2605ce7878d1b13471d685f689b251afDouglas Gregor case DeclRefExprClass: { 2301f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const Decl *D = cast<DeclRefExpr>(E)->getDecl(); 2302e3f834950801f1334f1b3f3f7e9a34062905fe1dFariborz Jahanian 2303102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 2304102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian if (VD->hasGlobalStorage()) 2305102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian return true; 2306102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian QualType T = VD->getType(); 230759a53fa3f8ea73bae52ea36d0038f76e9f10729cFariborz Jahanian // dereferencing to a pointer is always a gc'able candidate, 230859a53fa3f8ea73bae52ea36d0038f76e9f10729cFariborz Jahanian // unless it is __weak. 23097e88a60d38b36695520e4f8d9279766ef111a662Daniel Dunbar return T->isPointerType() && 23100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall (Ctx.getObjCGCAttrKind(T) != Qualifiers::Weak); 2311102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian } 231244baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian return false; 231344baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian } 231483f6faf37d9bf58986bedc9bc0ea897a56b4dbadDouglas Gregor case MemberExprClass: { 2315f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne const MemberExpr *M = cast<MemberExpr>(E); 2316102e390bcb5a1fb1a8fdbc8505e6dfd905374bbdFariborz Jahanian return M->getBase()->isOBJCGCCandidate(Ctx); 231744baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian } 231844baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian case ArraySubscriptExprClass: 2319f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<ArraySubscriptExpr>(E)->getBase()->isOBJCGCCandidate(Ctx); 232044baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian } 232144baa8abba2a1552b6b50bf750a8750ab9da9f76Fariborz Jahanian} 2322369e51fa400aeb5835bb9af4634ea516c11429a7Sebastian Redl 232311ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidisbool Expr::isBoundMemberFunction(ASTContext &Ctx) const { 232411ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis if (isTypeDependent()) 232511ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis return false; 23267eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall return ClassifyLValue(Ctx) == Expr::LV_MemberFunction; 232711ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis} 232811ab79030938209f50691acae0ddb65e72a58ca9Argyrios Kyrtzidis 2329864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallQualType Expr::findBoundMemberType(const Expr *expr) { 2330e0a22d06888c13989b3f72db319f1d498bf69153John McCall assert(expr->hasPlaceholderType(BuiltinType::BoundMember)); 2331864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 2332864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Bound member expressions are always one of these possibilities: 2333864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // x->m x.m x->*y x.*y 2334864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // (possibly parenthesized) 2335864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 2336864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall expr = expr->IgnoreParens(); 2337864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const MemberExpr *mem = dyn_cast<MemberExpr>(expr)) { 2338864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall assert(isa<CXXMethodDecl>(mem->getMemberDecl())); 2339864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return mem->getMemberDecl()->getType(); 2340864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall } 2341864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 2342864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BinaryOperator *op = dyn_cast<BinaryOperator>(expr)) { 2343864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall QualType type = op->getRHS()->getType()->castAs<MemberPointerType>() 2344864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ->getPointeeType(); 2345864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall assert(type->isFunctionType()); 2346864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return type; 2347864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall } 2348864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 2349864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall assert(isa<UnresolvedMemberExpr>(expr)); 2350864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return QualType(); 2351864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 2352864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 23534e99a5fc3b203397a91136c6e695e405fb8fc606Ted KremenekExpr* Expr::IgnoreParens() { 23544e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* E = this; 2355b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara while (true) { 2356b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if (ParenExpr* P = dyn_cast<ParenExpr>(E)) { 2357b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara E = P->getSubExpr(); 2358b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara continue; 2359b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 2360b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if (UnaryOperator* P = dyn_cast<UnaryOperator>(E)) { 2361b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if (P->getOpcode() == UO_Extension) { 2362b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara E = P->getSubExpr(); 2363b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara continue; 2364b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 2365b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 2366f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (GenericSelectionExpr* P = dyn_cast<GenericSelectionExpr>(E)) { 2367f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne if (!P->isResultDependent()) { 2368f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne E = P->getResultExpr(); 2369f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne continue; 2370f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 2371f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } 2372a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman if (ChooseExpr* P = dyn_cast<ChooseExpr>(E)) { 2373a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman if (!P->isConditionDependent()) { 2374a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = P->getChosenSubExpr(); 2375a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman continue; 2376a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman } 2377a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman } 2378b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara return E; 2379b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 23804e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek} 23814e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 238256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner/// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 238356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner/// or CastExprs or ImplicitCastExprs, returning their operand. 238456f349400c5932a196509c0480ff6f99a9a0b48fChris LattnerExpr *Expr::IgnoreParenCasts() { 238556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *E = this; 238656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner while (true) { 2387a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = E->IgnoreParens(); 2388b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if (CastExpr *P = dyn_cast<CastExpr>(E)) { 238956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner E = P->getSubExpr(); 2390b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara continue; 2391b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 239203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (MaterializeTemporaryExpr *Materialize 239303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(E)) { 239403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = Materialize->GetTemporaryExpr(); 239503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor continue; 239603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 2397c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor if (SubstNonTypeTemplateParmExpr *NTTP 2398c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) { 2399c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor E = NTTP->getReplacement(); 2400c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor continue; 2401c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor } 2402b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara return E; 240356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 240456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner} 240556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 24066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen HinesExpr *Expr::IgnoreCasts() { 24076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Expr *E = this; 24086bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines while (true) { 24096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (CastExpr *P = dyn_cast<CastExpr>(E)) { 24106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines E = P->getSubExpr(); 24116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines continue; 24126bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 24136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (MaterializeTemporaryExpr *Materialize 24146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines = dyn_cast<MaterializeTemporaryExpr>(E)) { 24156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines E = Materialize->GetTemporaryExpr(); 24166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines continue; 24176bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 24186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (SubstNonTypeTemplateParmExpr *NTTP 24196bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) { 24206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines E = NTTP->getReplacement(); 24216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines continue; 24226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 24236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return E; 24246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 24256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines} 24266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 24279c5d70cee1fab3f988f9cd40316071b088a3f19dJohn McCall/// IgnoreParenLValueCasts - Ignore parentheses and lvalue-to-rvalue 24289c5d70cee1fab3f988f9cd40316071b088a3f19dJohn McCall/// casts. This is intended purely as a temporary workaround for code 24299c5d70cee1fab3f988f9cd40316071b088a3f19dJohn McCall/// that hasn't yet been rewritten to do the right thing about those 24309c5d70cee1fab3f988f9cd40316071b088a3f19dJohn McCall/// casts, and may disappear along with the last internal use. 2431f6a1648197562e0b133440d612d9af297d0a86ccJohn McCallExpr *Expr::IgnoreParenLValueCasts() { 2432f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall Expr *E = this; 24339c5d70cee1fab3f988f9cd40316071b088a3f19dJohn McCall while (true) { 2434a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = E->IgnoreParens(); 2435a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman if (CastExpr *P = dyn_cast<CastExpr>(E)) { 2436f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall if (P->getCastKind() == CK_LValueToRValue) { 2437f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall E = P->getSubExpr(); 2438f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall continue; 2439f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 244003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } else if (MaterializeTemporaryExpr *Materialize 244103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(E)) { 244203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = Materialize->GetTemporaryExpr(); 244303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor continue; 2444c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor } else if (SubstNonTypeTemplateParmExpr *NTTP 2445c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) { 2446c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor E = NTTP->getReplacement(); 2447c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor continue; 2448f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 2449f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall break; 2450f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 2451f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall return E; 2452f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall} 2453632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola 2454632fbaa22fbed7c090eb83775731bfff786c2198Rafael EspindolaExpr *Expr::ignoreParenBaseCasts() { 2455632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola Expr *E = this; 2456632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola while (true) { 2457a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = E->IgnoreParens(); 2458632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola if (CastExpr *CE = dyn_cast<CastExpr>(E)) { 2459632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola if (CE->getCastKind() == CK_DerivedToBase || 2460632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola CE->getCastKind() == CK_UncheckedDerivedToBase || 2461632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola CE->getCastKind() == CK_NoOp) { 2462632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola E = CE->getSubExpr(); 2463632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola continue; 2464632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola } 2465632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola } 2466632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola 2467632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola return E; 2468632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola } 2469632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola} 2470632fbaa22fbed7c090eb83775731bfff786c2198Rafael Espindola 24712fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCallExpr *Expr::IgnoreParenImpCasts() { 24722fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall Expr *E = this; 24732fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall while (true) { 2474a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = E->IgnoreParens(); 2475b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if (ImplicitCastExpr *P = dyn_cast<ImplicitCastExpr>(E)) { 24762fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall E = P->getSubExpr(); 2477b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara continue; 2478b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara } 247903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (MaterializeTemporaryExpr *Materialize 248003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(E)) { 248103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = Materialize->GetTemporaryExpr(); 248203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor continue; 248303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 2484c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor if (SubstNonTypeTemplateParmExpr *NTTP 2485c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) { 2486c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor E = NTTP->getReplacement(); 2487c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor continue; 2488c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor } 2489b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara return E; 24902fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall } 24912fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall} 24922fc46bf1a9bc31d50f82de37c70ea257d3cded27John McCall 24932f072b442879b8bba8c5dea11d7c61bedb1924aeHans WennborgExpr *Expr::IgnoreConversionOperator() { 24942f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg if (CXXMemberCallExpr *MCE = dyn_cast<CXXMemberCallExpr>(this)) { 249514d251cd62942bf7d56bb87a267ba2ca2f7fae3eChandler Carruth if (MCE->getMethodDecl() && isa<CXXConversionDecl>(MCE->getMethodDecl())) 24962f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg return MCE->getImplicitObjectArgument(); 24972f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg } 24982f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg return this; 24992f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg} 25002f072b442879b8bba8c5dea11d7c61bedb1924aeHans Wennborg 2501ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner/// IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the 2502ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner/// value (including ptr->int casts of the same size). Strip off any 2503ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner/// ParenExpr or CastExprs, returning their operand. 2504ecdd84147c0765caa999ddc22dde25b42712bb4dChris LattnerExpr *Expr::IgnoreParenNoopCasts(ASTContext &Ctx) { 2505ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *E = this; 2506ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner while (true) { 2507a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman E = E->IgnoreParens(); 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2509ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner if (CastExpr *P = dyn_cast<CastExpr>(E)) { 2510ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner // We ignore integer <-> casts that are of the same width, ptr<->ptr and 25112ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor // ptr<->int casts of the same width. We also ignore all identity casts. 2512ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Expr *SE = P->getSubExpr(); 25131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2514ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner if (Ctx.hasSameUnqualifiedType(E->getType(), SE->getType())) { 2515ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner E = SE; 2516ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner continue; 2517ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 25181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2519b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara if ((E->getType()->isPointerType() || 25209d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor E->getType()->isIntegralType(Ctx)) && 2521b9eb35ced8369c8c8479efc17712faaf34e16c56Abramo Bagnara (SE->getType()->isPointerType() || 25229d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor SE->getType()->isIntegralType(Ctx)) && 2523ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner Ctx.getTypeSize(E->getType()) == Ctx.getTypeSize(SE->getType())) { 2524ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner E = SE; 2525ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner continue; 2526ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 2527ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 25281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2529c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor if (SubstNonTypeTemplateParmExpr *NTTP 2530c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) { 2531c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor E = NTTP->getReplacement(); 2532c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor continue; 2533c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor } 2534c0244c5c351db18c6c35c1594872dde072b90df9Douglas Gregor 2535ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner return E; 2536ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner } 2537ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner} 2538ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner 25396eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregorbool Expr::isDefaultArgument() const { 25406eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const Expr *E = this; 254103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const MaterializeTemporaryExpr *M = dyn_cast<MaterializeTemporaryExpr>(E)) 254203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = M->GetTemporaryExpr(); 254303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 25446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) 25456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor E = ICE->getSubExprAsWritten(); 2546c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 25476eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return isa<CXXDefaultArgExpr>(E); 25486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 2549ecdd84147c0765caa999ddc22dde25b42712bb4dChris Lattner 25502f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor/// \brief Skip over any no-op casts and any temporary-binding 25512f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor/// expressions. 2552f8b3015060096a946d91578d0f3b65d3097a4ebbAnders Carlssonstatic const Expr *skipTemporaryBindingsNoOpCastsAndParens(const Expr *E) { 255303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const MaterializeTemporaryExpr *M = dyn_cast<MaterializeTemporaryExpr>(E)) 255403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = M->GetTemporaryExpr(); 255503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 25562f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { 25572de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall if (ICE->getCastKind() == CK_NoOp) 25582f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor E = ICE->getSubExpr(); 25592f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor else 25602f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor break; 25612f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor } 25622f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 25632f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor while (const CXXBindTemporaryExpr *BE = dyn_cast<CXXBindTemporaryExpr>(E)) 25642f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor E = BE->getSubExpr(); 25652f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 25662f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { 25672de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall if (ICE->getCastKind() == CK_NoOp) 25682f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor E = ICE->getSubExpr(); 25692f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor else 25702f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor break; 25712f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor } 2572f8b3015060096a946d91578d0f3b65d3097a4ebbAnders Carlsson 2573f8b3015060096a946d91578d0f3b65d3097a4ebbAnders Carlsson return E->IgnoreParens(); 25742f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor} 25752f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 2576558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall/// isTemporaryObject - Determines if this expression produces a 2577558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall/// temporary of the given class type. 2578558d2abc7f9fd6801cc7677200992313ae90b5d8John McCallbool Expr::isTemporaryObject(ASTContext &C, const CXXRecordDecl *TempTy) const { 2579558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall if (!C.hasSameUnqualifiedType(getType(), C.getTypeDeclType(TempTy))) 2580558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall return false; 25812f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 2582f8b3015060096a946d91578d0f3b65d3097a4ebbAnders Carlsson const Expr *E = skipTemporaryBindingsNoOpCastsAndParens(this); 25832f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 258458277b57f9492d0234748be89bcad48b322c5cf7John McCall // Temporaries are by definition pr-values of class type. 2585db148be93c9af45da1f3aa9302c577618a56e6eaFariborz Jahanian if (!E->Classify(C).isPRValue()) { 2586db148be93c9af45da1f3aa9302c577618a56e6eaFariborz Jahanian // In this context, property reference is a message call and is pr-value. 258712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (!isa<ObjCPropertyRefExpr>(E)) 2588db148be93c9af45da1f3aa9302c577618a56e6eaFariborz Jahanian return false; 2589db148be93c9af45da1f3aa9302c577618a56e6eaFariborz Jahanian } 25902f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 259119e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall // Black-list a few cases which yield pr-values of class type that don't 259219e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall // refer to temporaries of that type: 259319e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall 259419e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall // - implicit derived-to-base conversions 2595558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall if (isa<ImplicitCastExpr>(E)) { 2596558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall switch (cast<ImplicitCastExpr>(E)->getCastKind()) { 2597558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall case CK_DerivedToBase: 2598558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall case CK_UncheckedDerivedToBase: 2599558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall return false; 2600558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall default: 2601558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall break; 2602558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall } 26032f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor } 26042f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 260519e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall // - member expressions (all) 260619e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall if (isa<MemberExpr>(E)) 260719e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall return false; 260819e60ad937af50843a653fa19c8be6a83a64f24fJohn McCall 260932f498a675df990901e6659d610dc740f9423228Eli Friedman if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) 261032f498a675df990901e6659d610dc740f9423228Eli Friedman if (BO->isPtrMemOp()) 261132f498a675df990901e6659d610dc740f9423228Eli Friedman return false; 261232f498a675df990901e6659d610dc740f9423228Eli Friedman 261356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // - opaque values (all) 261456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall if (isa<OpaqueValueExpr>(E)) 261556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall return false; 261656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 2617558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall return true; 26182f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor} 26192f59979a7cc7929f53c9984423b0abeb83113442Douglas Gregor 262075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregorbool Expr::isImplicitCXXThis() const { 262175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor const Expr *E = this; 262275e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 262375e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor // Strip away parentheses and casts we don't care about. 262475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor while (true) { 262575e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (const ParenExpr *Paren = dyn_cast<ParenExpr>(E)) { 262675e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor E = Paren->getSubExpr(); 262775e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor continue; 262875e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 262975e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 263075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { 263175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (ICE->getCastKind() == CK_NoOp || 263275e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor ICE->getCastKind() == CK_LValueToRValue || 263375e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor ICE->getCastKind() == CK_DerivedToBase || 263475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor ICE->getCastKind() == CK_UncheckedDerivedToBase) { 263575e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor E = ICE->getSubExpr(); 263675e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor continue; 263775e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 263875e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 263975e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 264075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (const UnaryOperator* UnOp = dyn_cast<UnaryOperator>(E)) { 264175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (UnOp->getOpcode() == UO_Extension) { 264275e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor E = UnOp->getSubExpr(); 264375e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor continue; 264475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 264575e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 264675e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 264703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const MaterializeTemporaryExpr *M 264803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(E)) { 264903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = M->GetTemporaryExpr(); 265003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor continue; 265103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 265203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 265375e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor break; 265475e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor } 265575e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 265675e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor if (const CXXThisExpr *This = dyn_cast<CXXThisExpr>(E)) 265775e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor return This->isImplicit(); 265875e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 265975e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor return false; 266075e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor} 266175e85048e73fcde2ce9d8a48dfdb1220e132eb59Douglas Gregor 2662898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// hasAnyTypeDependentArguments - Determines if any of the expressions 2663898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// in Exprs is type-dependent. 2664cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenkobool Expr::hasAnyTypeDependentArguments(ArrayRef<Expr *> Exprs) { 266513a140caba448a66ffcc5ff0d32a87d6e4f4ad3fAhmed Charles for (unsigned I = 0; I < Exprs.size(); ++I) 2666898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (Exprs[I]->isTypeDependent()) 2667898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return true; 2668898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2669898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return false; 2670898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 2671898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 26726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesbool Expr::isConstantInitializer(ASTContext &Ctx, bool IsForRef, 26736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const Expr **Culprit) const { 2674c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman // This function is attempting whether an expression is an initializer 267521cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // which can be evaluated at compile-time. It very closely parallels 267621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // ConstExprEmitter in CGExprConstant.cpp; if they don't match, it 267721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // will lead to unexpected results. Like ConstExprEmitter, it falls back 267821cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // to isEvaluatable most of the time. 267921cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // 26804204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall // If we ever capture reference-binding directly in the AST, we can 26814204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall // kill the second parameter. 26824204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall 26834204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall if (IsForRef) { 26844204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall EvalResult Result; 26856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (EvaluateAsLValue(Result, Ctx) && !Result.HasSideEffects) 26866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return true; 26876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Culprit) 26886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *Culprit = this; 26896bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return false; 26904204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall } 26911f4a6db271f389d6ab3cb1bc28cb5c23a7828602Eli Friedman 2692e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson switch (getStmtClass()) { 2693c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman default: break; 2694e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson case StringLiteralClass: 2695eaf2bb89eb2aad3b80673de30febe52df43c10ecChris Lattner case ObjCEncodeExprClass: 2696e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson return true; 2697b4b9b15c597a923a03ad0a33cdc49b67e5cc4450John McCall case CXXTemporaryObjectExprClass: 2698b4b9b15c597a923a03ad0a33cdc49b67e5cc4450John McCall case CXXConstructExprClass: { 2699b4b9b15c597a923a03ad0a33cdc49b67e5cc4450John McCall const CXXConstructExpr *CE = cast<CXXConstructExpr>(this); 27004204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall 270121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (CE->getConstructor()->isTrivial() && 270221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman CE->getConstructor()->getParent()->hasTrivialDestructor()) { 270321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // Trivial default constructor 2704180f47959a066795cc0f409433023af448bb0328Richard Smith if (!CE->getNumArgs()) return true; 2705180f47959a066795cc0f409433023af448bb0328Richard Smith 270621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // Trivial copy constructor 270721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman assert(CE->getNumArgs() == 1 && "trivial ctor with > 1 argument"); 27086bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return CE->getArg(0)->isConstantInitializer(Ctx, false, Culprit); 2709180f47959a066795cc0f409433023af448bb0328Richard Smith } 2710180f47959a066795cc0f409433023af448bb0328Richard Smith 2711180f47959a066795cc0f409433023af448bb0328Richard Smith break; 2712b4b9b15c597a923a03ad0a33cdc49b67e5cc4450John McCall } 271359b5da6d853b4368b984700315adf7b37de05764Nate Begeman case CompoundLiteralExprClass: { 27141f4a6db271f389d6ab3cb1bc28cb5c23a7828602Eli Friedman // This handles gcc's extension that allows global initializers like 27151f4a6db271f389d6ab3cb1bc28cb5c23a7828602Eli Friedman // "struct x {int x;} x = (struct x) {};". 27161f4a6db271f389d6ab3cb1bc28cb5c23a7828602Eli Friedman // FIXME: This accepts other cases it shouldn't! 271759b5da6d853b4368b984700315adf7b37de05764Nate Begeman const Expr *Exp = cast<CompoundLiteralExpr>(this)->getInitializer(); 27186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Exp->isConstantInitializer(Ctx, false, Culprit); 271959b5da6d853b4368b984700315adf7b37de05764Nate Begeman } 2720e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson case InitListExprClass: { 272121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman const InitListExpr *ILE = cast<InitListExpr>(this); 272221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (ILE->getType()->isArrayType()) { 272321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman unsigned numInits = ILE->getNumInits(); 272421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman for (unsigned i = 0; i < numInits; i++) { 27256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!ILE->getInit(i)->isConstantInitializer(Ctx, false, Culprit)) 272621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return false; 272721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } 272821cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return true; 2729e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson } 273021cde050b64eefbb5094af67985752eee42d00e2Eli Friedman 273121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (ILE->getType()->isRecordType()) { 273221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman unsigned ElementNo = 0; 273321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman RecordDecl *RD = ILE->getType()->getAs<RecordType>()->getDecl(); 273421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman for (RecordDecl::field_iterator Field = RD->field_begin(), 273521cde050b64eefbb5094af67985752eee42d00e2Eli Friedman FieldEnd = RD->field_end(); Field != FieldEnd; ++Field) { 273621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // If this is a union, skip all the fields that aren't being initialized. 273721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (RD->isUnion() && ILE->getInitializedFieldInUnion() != *Field) 273821cde050b64eefbb5094af67985752eee42d00e2Eli Friedman continue; 273921cde050b64eefbb5094af67985752eee42d00e2Eli Friedman 274021cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // Don't emit anonymous bitfields, they just affect layout. 274121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (Field->isUnnamedBitfield()) 274221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman continue; 274321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman 274421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (ElementNo < ILE->getNumInits()) { 274521cde050b64eefbb5094af67985752eee42d00e2Eli Friedman const Expr *Elt = ILE->getInit(ElementNo++); 274621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman if (Field->isBitField()) { 274721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman // Bitfields have to evaluate to an integer. 274821cde050b64eefbb5094af67985752eee42d00e2Eli Friedman llvm::APSInt ResultTmp; 27496bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!Elt->EvaluateAsInt(ResultTmp, Ctx)) { 27506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Culprit) 27516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *Culprit = Elt; 275221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return false; 27536bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 275421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } else { 275521cde050b64eefbb5094af67985752eee42d00e2Eli Friedman bool RefType = Field->getType()->isReferenceType(); 27566bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!Elt->isConstantInitializer(Ctx, RefType, Culprit)) 275721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return false; 275821cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } 275921cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } 276021cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } 276121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return true; 276221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman } 276321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman 276421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman break; 2765e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson } 27663498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor case ImplicitValueInitExprClass: 27673498bdb9e9cb300de74c7b51c92608e2902b2348Douglas Gregor return true; 27683ae9f48ae0d07a5aa352bf03c944f557a5ac4c95Chris Lattner case ParenExprClass: 27694204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall return cast<ParenExpr>(this)->getSubExpr() 27706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, IsForRef, Culprit); 2771f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne case GenericSelectionExprClass: 2772f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return cast<GenericSelectionExpr>(this)->getResultExpr() 27736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, IsForRef, Culprit); 27745cadfab3f2e7660453211eb0e00314bd40d93014Abramo Bagnara case ChooseExprClass: 27756bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (cast<ChooseExpr>(this)->isConditionDependent()) { 27766bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Culprit) 27776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *Culprit = this; 2778a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return false; 27796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2780a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return cast<ChooseExpr>(this)->getChosenSubExpr() 27816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, IsForRef, Culprit); 2782c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman case UnaryOperatorClass: { 2783c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman const UnaryOperator* Exp = cast<UnaryOperator>(this); 27842de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall if (Exp->getOpcode() == UO_Extension) 27856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Exp->getSubExpr()->isConstantInitializer(Ctx, false, Culprit); 2786c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman break; 2787c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman } 27884204f07fc8bffe6d320b2de95fea274ccf37a17bJohn McCall case CXXFunctionalCastExprClass: 2789b4b9b15c597a923a03ad0a33cdc49b67e5cc4450John McCall case CXXStaticCastExprClass: 279081045d8dcd967def69d8e0945566214a9fe9ffccChris Lattner case ImplicitCastExprClass: 279121cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CStyleCastExprClass: 279221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case ObjCBridgedCastExprClass: 279321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CXXDynamicCastExprClass: 279421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CXXReinterpretCastExprClass: 279521cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CXXConstCastExprClass: { 2796d62ca370b03b8c6ad58002d3399383baf744e32bRichard Smith const CastExpr *CE = cast<CastExpr>(this); 2797d62ca370b03b8c6ad58002d3399383baf744e32bRichard Smith 27986bd9719fd97abac1b8126eae866e96db88be4ac8Eli Friedman // Handle misc casts we want to ignore. 27996bd9719fd97abac1b8126eae866e96db88be4ac8Eli Friedman if (CE->getCastKind() == CK_NoOp || 28006bd9719fd97abac1b8126eae866e96db88be4ac8Eli Friedman CE->getCastKind() == CK_LValueToRValue || 28016bd9719fd97abac1b8126eae866e96db88be4ac8Eli Friedman CE->getCastKind() == CK_ToUnion || 280221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman CE->getCastKind() == CK_ConstructorConversion || 280321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman CE->getCastKind() == CK_NonAtomicToAtomic || 280421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman CE->getCastKind() == CK_AtomicToNonAtomic) 28056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return CE->getSubExpr()->isConstantInitializer(Ctx, false, Culprit); 2806d62ca370b03b8c6ad58002d3399383baf744e32bRichard Smith 2807c39dc9a25a9d74a5302e8567a4d3fc008212024cEli Friedman break; 2808d62ca370b03b8c6ad58002d3399383baf744e32bRichard Smith } 280903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor case MaterializeTemporaryExprClass: 28105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner return cast<MaterializeTemporaryExpr>(this)->GetTemporaryExpr() 28116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, false, Culprit); 281221cde050b64eefbb5094af67985752eee42d00e2Eli Friedman 281321cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case SubstNonTypeTemplateParmExprClass: 281421cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return cast<SubstNonTypeTemplateParmExpr>(this)->getReplacement() 28156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, false, Culprit); 281621cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CXXDefaultArgExprClass: 281721cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return cast<CXXDefaultArgExpr>(this)->getExpr() 28186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, false, Culprit); 281921cde050b64eefbb5094af67985752eee42d00e2Eli Friedman case CXXDefaultInitExprClass: 282021cde050b64eefbb5094af67985752eee42d00e2Eli Friedman return cast<CXXDefaultInitExpr>(this)->getExpr() 28216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ->isConstantInitializer(Ctx, false, Culprit); 2822e8a32b855ce4e8580a191f8d29d2f3f459834302Anders Carlsson } 28236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (isEvaluatable(Ctx)) 28246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return true; 28256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Culprit) 28266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *Culprit = this; 28276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return false; 282838374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff} 282938374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff 28308ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smithbool Expr::HasSideEffects(const ASTContext &Ctx) const { 28318ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (isInstantiationDependent()) 28328ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 28338ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 28348ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith switch (getStmtClass()) { 28358ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case NoStmtClass: 28368ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith #define ABSTRACT_STMT(Type) 28378ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith #define STMT(Type, Base) case Type##Class: 28388ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith #define EXPR(Type, Base) 28398ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith #include "clang/AST/StmtNodes.inc" 28408ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith llvm_unreachable("unexpected Expr kind"); 28418ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 28428ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case DependentScopeDeclRefExprClass: 28438ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXUnresolvedConstructExprClass: 28448ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXDependentScopeMemberExprClass: 28458ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case UnresolvedLookupExprClass: 28468ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case UnresolvedMemberExprClass: 28478ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case PackExpansionExprClass: 28488ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case SubstNonTypeTemplateParmPackExprClass: 28499a4db032ecd991626d236a502e770126db32bd31Richard Smith case FunctionParmPackExprClass: 28508ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith llvm_unreachable("shouldn't see dependent / unresolved nodes here"); 28518ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 285260b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case DeclRefExprClass: 285360b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case ObjCIvarRefExprClass: 28548ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case PredefinedExprClass: 28558ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case IntegerLiteralClass: 28568ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case FloatingLiteralClass: 28578ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ImaginaryLiteralClass: 28588ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case StringLiteralClass: 28598ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CharacterLiteralClass: 28608ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case OffsetOfExprClass: 28618ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ImplicitValueInitExprClass: 28628ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case UnaryExprOrTypeTraitExprClass: 28638ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case AddrLabelExprClass: 28648ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case GNUNullExprClass: 28658ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXBoolLiteralExprClass: 28668ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXNullPtrLiteralExprClass: 28678ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXThisExprClass: 28688ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXScalarValueInitExprClass: 28698ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case TypeTraitExprClass: 28708ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ArrayTypeTraitExprClass: 28718ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ExpressionTraitExprClass: 28728ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXNoexceptExprClass: 28738ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case SizeOfPackExprClass: 28748ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCStringLiteralClass: 28758ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCEncodeExprClass: 28768ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCBoolLiteralExprClass: 28778ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXUuidofExprClass: 28788ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case OpaqueValueExprClass: 28798ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // These never have a side-effect. 28808ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return false; 28818ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 28828ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CallExprClass: 288376da55d3a49e1805f51b1ced7c5da5bcd7f759d8John McCall case MSPropertyRefExprClass: 28848ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CompoundAssignOperatorClass: 28858ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case VAArgExprClass: 28868ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case AtomicExprClass: 28878ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case StmtExprClass: 28888ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXOperatorCallExprClass: 28898ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXMemberCallExprClass: 28908ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case UserDefinedLiteralClass: 28918ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXThrowExprClass: 28928ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXNewExprClass: 28938ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXDeleteExprClass: 28948ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ExprWithCleanupsClass: 28958ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXBindTemporaryExprClass: 28968ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case BlockExprClass: 28978ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CUDAKernelCallExprClass: 28988ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // These always have a side-effect. 28998ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 29008ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29018ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ParenExprClass: 29028ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ArraySubscriptExprClass: 29038ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case MemberExprClass: 29048ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ConditionalOperatorClass: 29058ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case BinaryConditionalOperatorClass: 29068ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CompoundLiteralExprClass: 29078ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ExtVectorElementExprClass: 29088ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case DesignatedInitExprClass: 29098ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ParenListExprClass: 29108ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXPseudoDestructorExprClass: 29117c3e615f01e8f9f587315800fdaf2305ed824568Richard Smith case CXXStdInitializerListExprClass: 29128ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case SubstNonTypeTemplateParmExprClass: 29138ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case MaterializeTemporaryExprClass: 29148ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ShuffleVectorExprClass: 2915414a1bdbdaf250e0488589f12865c8961831b65dHal Finkel case ConvertVectorExprClass: 29168ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case AsTypeExprClass: 29178ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // These have a side-effect if any subexpression does. 29188ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29198ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 292060b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case UnaryOperatorClass: 292160b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith if (cast<UnaryOperator>(this)->isIncrementDecrementOp()) 29228ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 29238ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29248ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29258ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case BinaryOperatorClass: 29268ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (cast<BinaryOperator>(this)->isAssignmentOp()) 29278ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 29288ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29298ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29308ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case InitListExprClass: 29318ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // FIXME: The children for an InitListExpr doesn't include the array filler. 29328ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (const Expr *E = cast<InitListExpr>(this)->getArrayFiller()) 29338ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (E->HasSideEffects(Ctx)) 29348ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 29358ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29368ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29378ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case GenericSelectionExprClass: 29388ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return cast<GenericSelectionExpr>(this)->getResultExpr()-> 29398ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith HasSideEffects(Ctx); 29408ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29418ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ChooseExprClass: 2942a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return cast<ChooseExpr>(this)->getChosenSubExpr()->HasSideEffects(Ctx); 29438ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29448ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXDefaultArgExprClass: 29458ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return cast<CXXDefaultArgExpr>(this)->getExpr()->HasSideEffects(Ctx); 29468ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 2947c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith case CXXDefaultInitExprClass: 2948c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith if (const Expr *E = cast<CXXDefaultInitExpr>(this)->getExpr()) 2949c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith return E->HasSideEffects(Ctx); 2950c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith // If we've not yet parsed the initializer, assume it has side-effects. 2951c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith return true; 2952c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith 29538ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXDynamicCastExprClass: { 29548ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // A dynamic_cast expression has side-effects if it can throw. 29558ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith const CXXDynamicCastExpr *DCE = cast<CXXDynamicCastExpr>(this); 29568ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (DCE->getTypeAsWritten()->isReferenceType() && 29578ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith DCE->getCastKind() == CK_Dynamic) 29588ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 295960b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith } // Fall through. 296060b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case ImplicitCastExprClass: 296160b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case CStyleCastExprClass: 296260b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case CXXStaticCastExprClass: 296360b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case CXXReinterpretCastExprClass: 296460b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case CXXConstCastExprClass: 296560b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith case CXXFunctionalCastExprClass: { 296660b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith const CastExpr *CE = cast<CastExpr>(this); 296760b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith if (CE->getCastKind() == CK_LValueToRValue && 296860b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith CE->getSubExpr()->getType().isVolatileQualified()) 296960b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith return true; 29708ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29718ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 29728ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29730d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith case CXXTypeidExprClass: 29740d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith // typeid might throw if its subexpression is potentially-evaluated, so has 29750d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith // side-effects in that case whether or not its subexpression does. 29760d729105ecb50a7e3cbe6e57c29149edfa5cf05aRichard Smith return cast<CXXTypeidExpr>(this)->isPotentiallyEvaluated(); 29778ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29788ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXConstructExprClass: 29798ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case CXXTemporaryObjectExprClass: { 29808ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith const CXXConstructExpr *CE = cast<CXXConstructExpr>(this); 298160b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith if (!CE->getConstructor()->isTrivial()) 29828ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 298360b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith // A trivial constructor does not add any side-effects of its own. Just look 298460b70388e43d146d968a1cc0705b30cb2d7263feRichard Smith // at its arguments. 29858ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith break; 29868ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 29878ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29888ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case LambdaExprClass: { 29898ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith const LambdaExpr *LE = cast<LambdaExpr>(this); 29908ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith for (LambdaExpr::capture_iterator I = LE->capture_begin(), 29918ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith E = LE->capture_end(); I != E; ++I) 29928ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (I->getCaptureKind() == LCK_ByCopy) 29938ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // FIXME: Only has a side-effect if the variable is volatile or if 29948ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // the copy would invoke a non-trivial copy constructor. 29958ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 29968ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return false; 29978ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 29988ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 29998ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case PseudoObjectExprClass: { 30008ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // Only look for side-effects in the semantic form, and look past 30018ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // OpaqueValueExpr bindings in that form. 30028ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith const PseudoObjectExpr *PO = cast<PseudoObjectExpr>(this); 30038ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith for (PseudoObjectExpr::const_semantics_iterator I = PO->semantics_begin(), 30048ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith E = PO->semantics_end(); 30058ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith I != E; ++I) { 30068ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith const Expr *Subexpr = *I; 30078ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(Subexpr)) 30088ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith Subexpr = OVE->getSourceExpr(); 30098ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (Subexpr->HasSideEffects(Ctx)) 30108ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 30118ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 30128ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return false; 30138ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 30148ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 30158ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCBoxedExprClass: 30168ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCArrayLiteralClass: 30178ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCDictionaryLiteralClass: 30188ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCMessageExprClass: 30198ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCSelectorExprClass: 30208ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCProtocolExprClass: 30218ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCPropertyRefExprClass: 30228ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCIsaExprClass: 30238ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCIndirectCopyRestoreExprClass: 30248ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCSubscriptRefExprClass: 30258ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith case ObjCBridgedCastExprClass: 30268ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // FIXME: Classify these cases better. 30278ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 30288ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith } 30298ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 30308ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith // Recurse to children. 30318ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith for (const_child_range SubStmts = children(); SubStmts; ++SubStmts) 30328ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (const Stmt *S = *SubStmts) 30338ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith if (cast<Expr>(S)->HasSideEffects(Ctx)) 30348ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return true; 30358ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 30368ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith return false; 30378ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith} 30388ae4ec28451a16a57718286da3e476fc2f495c3fRichard Smith 303925d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregornamespace { 304025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor /// \brief Look for a call to a non-trivial function within an expression. 304125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor class NonTrivialCallFinder : public EvaluatedExprVisitor<NonTrivialCallFinder> 304225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor { 304325d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor typedef EvaluatedExprVisitor<NonTrivialCallFinder> Inherited; 304425d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 304525d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor bool NonTrivial; 304625d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 304725d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor public: 304825d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor explicit NonTrivialCallFinder(ASTContext &Context) 3049b11e52540166a2958439cfe562c25931e4460759Douglas Gregor : Inherited(Context), NonTrivial(false) { } 305025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 305125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor bool hasNonTrivialCall() const { return NonTrivial; } 305225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 305325d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor void VisitCallExpr(CallExpr *E) { 305425d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor if (CXXMethodDecl *Method 305525d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor = dyn_cast_or_null<CXXMethodDecl>(E->getCalleeDecl())) { 305625d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor if (Method->isTrivial()) { 305725d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor // Recurse to children of the call. 305825d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor Inherited::VisitStmt(E); 305925d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor return; 306025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 306125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 306225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 306325d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor NonTrivial = true; 306425d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 306525d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 306625d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor void VisitCXXConstructExpr(CXXConstructExpr *E) { 306725d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor if (E->getConstructor()->isTrivial()) { 306825d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor // Recurse to children of the call. 306925d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor Inherited::VisitStmt(E); 307025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor return; 307125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 307225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 307325d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor NonTrivial = true; 307425d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 307525d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 307625d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 307725d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor if (E->getTemporary()->getDestructor()->isTrivial()) { 307825d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor Inherited::VisitStmt(E); 307925d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor return; 308025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 308125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 308225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor NonTrivial = true; 308325d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor } 308425d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor }; 308525d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor} 308625d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 308725d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregorbool Expr::hasNonTrivialCall(ASTContext &Ctx) { 308825d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor NonTrivialCallFinder Finder(Ctx); 308925d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor Finder.Visit(this); 309025d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor return Finder.hasNonTrivialCall(); 309125d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor} 309225d0a0f67d9e949ffbfc57bf487012f5cbfd886eDouglas Gregor 309382214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth/// isNullPointerConstant - C99 6.3.2.3p3 - Return whether this is a null 309482214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth/// pointer constant or not, as well as the specific kind of constant detected. 309582214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth/// Null pointer constants can be integer constant expressions with the 309682214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth/// value zero, casts of zero to void*, nullptr (C++0X), or __null 309782214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth/// (a GNU extension). 309882214a80c0163e01e4d8dec1426023c89277dbb4Chandler CarruthExpr::NullPointerConstantKind 309982214a80c0163e01e4d8dec1426023c89277dbb4Chandler CarruthExpr::isNullPointerConstant(ASTContext &Ctx, 310082214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth NullPointerConstantValueDependence NPC) const { 3101e0ac9bfbf588e269fefc8758e715ee5804affb18Reid Kleckner if (isValueDependent() && 3102651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines (!Ctx.getLangOpts().CPlusPlus11 || Ctx.getLangOpts().MSVCCompat)) { 3103ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor switch (NPC) { 3104ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor case NPC_NeverValueDependent: 3105b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unexpected value dependent expression!"); 3106ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor case NPC_ValueDependentIsNull: 310782214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth if (isTypeDependent() || getType()->isIntegralType(Ctx)) 310850800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie return NPCK_ZeroExpression; 310982214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth else 311082214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth return NPCK_NotNull; 3111c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 3112ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor case NPC_ValueDependentIsNotNull: 311382214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth return NPCK_NotNull; 3114ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor } 3115ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor } 3116f515b2268f829adfbfdb751f54d102b53ed0285cDaniel Dunbar 31170777972d38a3125efed962b045704c30ae6965cfSebastian Redl // Strip off a cast to void*, if it exists. Except in C++. 31180835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis if (const ExplicitCastExpr *CE = dyn_cast<ExplicitCastExpr>(this)) { 31194e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!Ctx.getLangOpts().CPlusPlus) { 31200777972d38a3125efed962b045704c30ae6965cfSebastian Redl // Check that it is a cast to void*. 31216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = CE->getType()->getAs<PointerType>()) { 31220777972d38a3125efed962b045704c30ae6965cfSebastian Redl QualType Pointee = PT->getPointeeType(); 31230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Pointee.hasQualifiers() && 31240777972d38a3125efed962b045704c30ae6965cfSebastian Redl Pointee->isVoidType() && // to void* 31250777972d38a3125efed962b045704c30ae6965cfSebastian Redl CE->getSubExpr()->getType()->isIntegerType()) // from int. 3126ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor return CE->getSubExpr()->isNullPointerConstant(Ctx, NPC); 31270777972d38a3125efed962b045704c30ae6965cfSebastian Redl } 31285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3129aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff } else if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(this)) { 3130aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff // Ignore the ImplicitCastExpr type entirely. 3131ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor return ICE->getSubExpr()->isNullPointerConstant(Ctx, NPC); 3132aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff } else if (const ParenExpr *PE = dyn_cast<ParenExpr>(this)) { 3133aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff // Accept ((void*)0) as a null pointer constant, as many other 3134aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff // implementations do. 3135ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor return PE->getSubExpr()->isNullPointerConstant(Ctx, NPC); 3136f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne } else if (const GenericSelectionExpr *GE = 3137f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne dyn_cast<GenericSelectionExpr>(this)) { 3138a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman if (GE->isResultDependent()) 3139a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return NPCK_NotNull; 3140f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne return GE->getResultExpr()->isNullPointerConstant(Ctx, NPC); 3141a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman } else if (const ChooseExpr *CE = dyn_cast<ChooseExpr>(this)) { 3142a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman if (CE->isConditionDependent()) 3143a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return NPCK_NotNull; 3144a5e660188a3c654cf0c88ed1093b28207e870b2bEli Friedman return CE->getChosenSubExpr()->isNullPointerConstant(Ctx, NPC); 31451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (const CXXDefaultArgExpr *DefaultArg 31468123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner = dyn_cast<CXXDefaultArgExpr>(this)) { 3147c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith // See through default argument expressions. 3148ce94049b69f75b44c18584fe79cd238978b6b0d5Douglas Gregor return DefaultArg->getExpr()->isNullPointerConstant(Ctx, NPC); 3149c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith } else if (const CXXDefaultInitExpr *DefaultInit 3150c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith = dyn_cast<CXXDefaultInitExpr>(this)) { 3151c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith // See through default initializer expressions. 3152c3bf52ced9652f555aa0767bb822ec4c64546212Richard Smith return DefaultInit->getExpr()->isNullPointerConstant(Ctx, NPC); 31532d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor } else if (isa<GNUNullExpr>(this)) { 31542d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor // The GNU __null extension is always a null pointer constant. 315582214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth return NPCK_GNUNull; 315603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } else if (const MaterializeTemporaryExpr *M 315703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor = dyn_cast<MaterializeTemporaryExpr>(this)) { 315803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return M->GetTemporaryExpr()->isNullPointerConstant(Ctx, NPC); 31594b9c2d235fb9449e249d74f48ecfec601650de93John McCall } else if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(this)) { 31604b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (const Expr *Source = OVE->getSourceExpr()) 31614b9c2d235fb9449e249d74f48ecfec601650de93John McCall return Source->isNullPointerConstant(Ctx, NPC); 3162aaffbf7c790a324ed114184db771aae2d2e9151cSteve Naroff } 31632d8b273470684a9cd47f0ce24743cc1f71ef7cbcDouglas Gregor 31644e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith // C++11 nullptr_t is always a null pointer constant. 31656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl if (getType()->isNullPtrType()) 31664e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith return NPCK_CXX11_nullptr; 31676e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3168ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian if (const RecordType *UT = getType()->getAsUnionType()) 3169f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith if (!Ctx.getLangOpts().CPlusPlus11 && 3170f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith UT && UT->getDecl()->hasAttr<TransparentUnionAttr>()) 3171ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian if (const CompoundLiteralExpr *CLE = dyn_cast<CompoundLiteralExpr>(this)){ 3172ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian const Expr *InitExpr = CLE->getInitializer(); 3173ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian if (const InitListExpr *ILE = dyn_cast<InitListExpr>(InitExpr)) 3174ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian return ILE->getInit(0)->isNullPointerConstant(Ctx, NPC); 3175ff3a078d2a67db9ae6ff4cc0f799a209f85a4e91Fariborz Jahanian } 3176aa58f00ebba5f14955001736b7aea20bb5bd91e6Steve Naroff // This expression must be an integer type. 3177c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt if (!getType()->isIntegerType() || 31784e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie (Ctx.getLangOpts().CPlusPlus && getType()->isEnumeralType())) 317982214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth return NPCK_NotNull; 31801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318180ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith if (Ctx.getLangOpts().CPlusPlus11) { 3182f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith // C++11 [conv.ptr]p1: A null pointer constant is an integer literal with 3183f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith // value zero or a prvalue of type std::nullptr_t. 3184e0ac9bfbf588e269fefc8758e715ee5804affb18Reid Kleckner // Microsoft mode permits C++98 rules reflecting MSVC behavior. 3185f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith const IntegerLiteral *Lit = dyn_cast<IntegerLiteral>(this); 3186e0ac9bfbf588e269fefc8758e715ee5804affb18Reid Kleckner if (Lit && !Lit->getValue()) 3187e0ac9bfbf588e269fefc8758e715ee5804affb18Reid Kleckner return NPCK_ZeroLiteral; 3188651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines else if (!Ctx.getLangOpts().MSVCCompat || !isCXX98IntegralConstantExpr(Ctx)) 3189e0ac9bfbf588e269fefc8758e715ee5804affb18Reid Kleckner return NPCK_NotNull; 319070488e201ccd94d4bb1ef0868cc13cca2b7d4ff6Richard Smith } else { 3191f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith // If we have an integer constant expression, we need to *evaluate* it and 3192f050d2445ed75569ccfe0740caa900403d2ce3b3Richard Smith // test for the value 0. 319370488e201ccd94d4bb1ef0868cc13cca2b7d4ff6Richard Smith if (!isIntegerConstantExpr(Ctx)) 319470488e201ccd94d4bb1ef0868cc13cca2b7d4ff6Richard Smith return NPCK_NotNull; 319570488e201ccd94d4bb1ef0868cc13cca2b7d4ff6Richard Smith } 319682214a80c0163e01e4d8dec1426023c89277dbb4Chandler Carruth 319750800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie if (EvaluateKnownConstInt(Ctx) != 0) 319850800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie return NPCK_NotNull; 319950800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie 320050800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie if (isa<IntegerLiteral>(this)) 320150800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie return NPCK_ZeroLiteral; 320250800fc551ac6b8a95cca662223e7f061bbd169aDavid Blaikie return NPCK_ZeroExpression; 32035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 320431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 3205f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall/// \brief If this expression is an l-value for an Objective C 3206f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall/// property, find the underlying property reference expression. 3207f6a1648197562e0b133440d612d9af297d0a86ccJohn McCallconst ObjCPropertyRefExpr *Expr::getObjCProperty() const { 3208f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall const Expr *E = this; 3209f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall while (true) { 3210f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall assert((E->getValueKind() == VK_LValue && 3211f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall E->getObjectKind() == OK_ObjCProperty) && 3212f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall "expression is not a property reference"); 3213f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall E = E->IgnoreParenCasts(); 3214f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { 3215f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall if (BO->getOpcode() == BO_Comma) { 3216f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall E = BO->getRHS(); 3217f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall continue; 3218f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 3219f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 3220f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 3221f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall break; 3222f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall } 3223f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 3224f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall return cast<ObjCPropertyRefExpr>(E); 3225f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall} 3226f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall 3227bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaksbool Expr::isObjCSelfExpr() const { 3228bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks const Expr *E = IgnoreParenImpCasts(); 3229bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks 3230bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E); 3231bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks if (!DRE) 3232bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks return false; 3233bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks 3234bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks const ImplicitParamDecl *Param = dyn_cast<ImplicitParamDecl>(DRE->getDecl()); 3235bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks if (!Param) 3236bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks return false; 3237bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks 3238bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks const ObjCMethodDecl *M = dyn_cast<ObjCMethodDecl>(Param->getDeclContext()); 3239bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks if (!M) 3240bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks return false; 3241bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks 3242bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks return M->getSelfDecl() == Param; 3243bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks} 3244bbff82f302a1dd67589f65912351978905f0c5a7Anna Zaks 3245993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCallFieldDecl *Expr::getSourceBitField() { 32466f4a69a3107e7ff1569c747f7c6bdf7cff8cbf55Douglas Gregor Expr *E = this->IgnoreParens(); 324733bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor 3248de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor while (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { 3249f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall if (ICE->getCastKind() == CK_LValueToRValue || 3250f6a1648197562e0b133440d612d9af297d0a86ccJohn McCall (ICE->getValueKind() != VK_RValue && ICE->getCastKind() == CK_NoOp)) 3251de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor E = ICE->getSubExpr()->IgnoreParens(); 3252de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor else 3253de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor break; 3254de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor } 3255de4b1d86bf48bc2a84bddf6b188f6da53eaea845Douglas Gregor 325627c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor if (MemberExpr *MemRef = dyn_cast<MemberExpr>(E)) 325786f194083504938df72135b5b66bf0c5cafd9498Douglas Gregor if (FieldDecl *Field = dyn_cast<FieldDecl>(MemRef->getMemberDecl())) 325833bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor if (Field->isBitField()) 325933bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor return Field; 326033bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor 3261993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall if (ObjCIvarRefExpr *IvarRef = dyn_cast<ObjCIvarRefExpr>(E)) 3262993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall if (FieldDecl *Ivar = dyn_cast<FieldDecl>(IvarRef->getDecl())) 3263993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall if (Ivar->isBitField()) 3264993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall return Ivar; 3265993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall 32660f279e756e3df69f9e071c572805e5d3e89123a2Argyrios Kyrtzidis if (DeclRefExpr *DeclRef = dyn_cast<DeclRefExpr>(E)) 32670f279e756e3df69f9e071c572805e5d3e89123a2Argyrios Kyrtzidis if (FieldDecl *Field = dyn_cast<FieldDecl>(DeclRef->getDecl())) 32680f279e756e3df69f9e071c572805e5d3e89123a2Argyrios Kyrtzidis if (Field->isBitField()) 32690f279e756e3df69f9e071c572805e5d3e89123a2Argyrios Kyrtzidis return Field; 32700f279e756e3df69f9e071c572805e5d3e89123a2Argyrios Kyrtzidis 327142068e9d420889014ee26894e421fead336b239dEli Friedman if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(E)) { 327233bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor if (BinOp->isAssignmentOp() && BinOp->getLHS()) 3273993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall return BinOp->getLHS()->getSourceBitField(); 327433bbbc5ec8269bc2cde5b84f970fa49319a30267Douglas Gregor 327542068e9d420889014ee26894e421fead336b239dEli Friedman if (BinOp->getOpcode() == BO_Comma && BinOp->getRHS()) 3276993f43f24d7a45a5cd4678a3316b0852261fc5d4John McCall return BinOp->getRHS()->getSourceBitField(); 327742068e9d420889014ee26894e421fead336b239dEli Friedman } 327842068e9d420889014ee26894e421fead336b239dEli Friedman 32796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 328027c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor} 328127c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor 3282093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlssonbool Expr::refersToVectorElement() const { 3283093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson const Expr *E = this->IgnoreParens(); 3284c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 3285093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { 32865baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall if (ICE->getValueKind() != VK_RValue && 32872de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall ICE->getCastKind() == CK_NoOp) 3288093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson E = ICE->getSubExpr()->IgnoreParens(); 3289093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson else 3290093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson break; 3291093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson } 3292c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 3293093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson if (const ArraySubscriptExpr *ASE = dyn_cast<ArraySubscriptExpr>(E)) 3294093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson return ASE->getBase()->getType()->isVectorType(); 3295093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 3296093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson if (isa<ExtVectorElementExpr>(E)) 3297093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson return true; 3298093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 3299093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson return false; 3300093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson} 3301093802675b1548f2a5f44c29938d65cce00d58bbAnders Carlsson 33022140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner/// isArrow - Return true if the base expression is a pointer to vector, 33032140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner/// return false if the base expression is a vector. 33042140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattnerbool ExtVectorElementExpr::isArrow() const { 33052140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner return getBase()->getType()->isPointerType(); 33062140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner} 33072140e904dbe53657339cb5b1cc13de563ca0d1fcChris Lattner 3308213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanunsigned ExtVectorElementExpr::getNumElements() const { 3309183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const VectorType *VT = getType()->getAs<VectorType>()) 33108a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman return VT->getNumElements(); 33118a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman return 1; 33124d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner} 33134d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 33148a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman/// containsDuplicateElements - Return true if any element access is repeated. 3315213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanbool ExtVectorElementExpr::containsDuplicateElements() const { 3316a2b34eb7d19d1d199a244da20afe12353e3593acDaniel Dunbar // FIXME: Refactor this code to an accessor on the AST node which returns the 3317a2b34eb7d19d1d199a244da20afe12353e3593acDaniel Dunbar // "type" of component access, and share with code below and in Sema. 33185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Comp = Accessor->getName(); 3319190d6a25393995b42e32086949a68285ee423fb9Nate Begeman 3320190d6a25393995b42e32086949a68285ee423fb9Nate Begeman // Halving swizzles do not contain duplicate elements. 3321150274299b0bc2efda45783f99bef3f9f6e807acDaniel Dunbar if (Comp == "hi" || Comp == "lo" || Comp == "even" || Comp == "odd") 3322190d6a25393995b42e32086949a68285ee423fb9Nate Begeman return false; 33231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3324190d6a25393995b42e32086949a68285ee423fb9Nate Begeman // Advance past s-char prefix on hex swizzles. 3325150274299b0bc2efda45783f99bef3f9f6e807acDaniel Dunbar if (Comp[0] == 's' || Comp[0] == 'S') 3326150274299b0bc2efda45783f99bef3f9f6e807acDaniel Dunbar Comp = Comp.substr(1); 33271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3328150274299b0bc2efda45783f99bef3f9f6e807acDaniel Dunbar for (unsigned i = 0, e = Comp.size(); i != e; ++i) 33295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (Comp.substr(i + 1).find(Comp[i]) != StringRef::npos) 3330fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff return true; 3331150274299b0bc2efda45783f99bef3f9f6e807acDaniel Dunbar 3332fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff return false; 3333fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff} 3334b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 33358a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman/// getEncodedElementAccess - We encode the fields as a llvm ConstantArray. 33363b8d116703db8018f855cbb4733ace426422623bNate Begemanvoid ExtVectorElementExpr::getEncodedElementAccess( 33375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<unsigned> &Elts) const { 33385f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Comp = Accessor->getName(); 33394b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar if (Comp[0] == 's' || Comp[0] == 'S') 33404b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar Comp = Comp.substr(1); 33411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33424b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar bool isHi = Comp == "hi"; 33434b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar bool isLo = Comp == "lo"; 33444b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar bool isEven = Comp == "even"; 33454b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar bool isOdd = Comp == "odd"; 33461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33478a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman for (unsigned i = 0, e = getNumElements(); i != e; ++i) { 33488a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman uint64_t Index; 33491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33508a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman if (isHi) 33518a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman Index = e + i; 33528a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman else if (isLo) 33538a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman Index = i; 33548a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman else if (isEven) 33558a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman Index = 2 * i; 33568a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman else if (isOdd) 33578a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman Index = 2 * i + 1; 33588a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman else 33594b55b24410a2739c589c4b9e84a364161c9a17e5Daniel Dunbar Index = ExtVectorType::getAccessorIdx(Comp[i]); 3360b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 33613b8d116703db8018f855cbb4733ace426422623bNate Begeman Elts.push_back(Index); 3362b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 33638a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman} 33648a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman 336504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas GregorObjCMessageExpr::ObjCMessageExpr(QualType T, 3366f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 336704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 336804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation SuperLoc, 336904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor bool IsInstanceSuper, 337004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType SuperType, 3371c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Selector Sel, 3372207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 3373207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelectorLocationsKind SelLocsK, 337404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 33758d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3376746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3377746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) 3378f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(ObjCMessageExprClass, T, VK, OK_Ordinary, 3379bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*TypeDependent=*/false, /*ValueDependent=*/false, 3380561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/false, 3381bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 338204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method 338304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor : Sel.getAsOpaquePtr())), 3384b994e6c7d57b00e3e0f69d152065e2cf85d1de33Argyrios Kyrtzidis Kind(IsInstanceSuper? SuperInstance : SuperClass), 33856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines HasMethod(Method != nullptr), IsDelegateInitCall(false), 33866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IsImplicit(isImplicit), SuperLoc(SuperLoc), LBracLoc(LBracLoc), 33876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines RBracLoc(RBracLoc) 3388c2350e553b853ad00914faf23fa731e5fc4a8a5cDouglas Gregor{ 3389207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis initArgsAndSelLocs(Args, SelLocs, SelLocsK); 339004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor setReceiverPointer(SuperType.getAsOpaquePtr()); 339104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 339204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 339304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas GregorObjCMessageExpr::ObjCMessageExpr(QualType T, 3394f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 339504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 339604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *Receiver, 3397f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Selector Sel, 3398207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 3399207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelectorLocationsKind SelLocsK, 340004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 34018d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3402746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3403746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) 3404f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(ObjCMessageExprClass, T, VK, OK_Ordinary, T->isDependentType(), 3405561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isDependentType(), T->isInstantiationDependentType(), 3406561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->containsUnexpandedParameterPack()), 340704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method 340804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor : Sel.getAsOpaquePtr())), 3409b994e6c7d57b00e3e0f69d152065e2cf85d1de33Argyrios Kyrtzidis Kind(Class), 34106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines HasMethod(Method != nullptr), IsDelegateInitCall(false), 34116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IsImplicit(isImplicit), LBracLoc(LBracLoc), RBracLoc(RBracLoc) 341204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor{ 3413207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis initArgsAndSelLocs(Args, SelLocs, SelLocsK); 341404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor setReceiverPointer(Receiver); 341504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 341604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 341704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas GregorObjCMessageExpr::ObjCMessageExpr(QualType T, 3418f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 341904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 342004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *Receiver, 3421c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Selector Sel, 3422207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 3423207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelectorLocationsKind SelLocsK, 342404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 34258d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3426746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3427746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) 3428f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall : Expr(ObjCMessageExprClass, T, VK, OK_Ordinary, Receiver->isTypeDependent(), 3429bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Receiver->isTypeDependent(), 3430561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Receiver->isInstantiationDependent(), 3431bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Receiver->containsUnexpandedParameterPack()), 343204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method 343304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor : Sel.getAsOpaquePtr())), 3434b994e6c7d57b00e3e0f69d152065e2cf85d1de33Argyrios Kyrtzidis Kind(Instance), 34356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines HasMethod(Method != nullptr), IsDelegateInitCall(false), 34366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IsImplicit(isImplicit), LBracLoc(LBracLoc), RBracLoc(RBracLoc) 343704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor{ 3438207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis initArgsAndSelLocs(Args, SelLocs, SelLocsK); 343904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor setReceiverPointer(Receiver); 3440207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis} 3441207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis 3442207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidisvoid ObjCMessageExpr::initArgsAndSelLocs(ArrayRef<Expr *> Args, 3443207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 3444207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelectorLocationsKind SelLocsK) { 3445207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis setNumArgs(Args.size()); 3446aa165f8458b51c546bebff947343e1a36f3594cbDouglas Gregor Expr **MyArgs = getArgs(); 34478d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis for (unsigned I = 0; I != Args.size(); ++I) { 3448bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Args[I]->isTypeDependent()) 3449bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.TypeDependent = true; 3450bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Args[I]->isValueDependent()) 3451bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 3452561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (Args[I]->isInstantiationDependent()) 3453561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3454bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Args[I]->containsUnexpandedParameterPack()) 3455bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 3456bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 3457bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor MyArgs[I] = Args[I]; 3458bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 3459207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis 346019562c97669532084a71895197f4444305dd432aBenjamin Kramer SelLocsKind = SelLocsK; 34610c6b8e3fa718a0a67292340e5cff6fe7cbd15c14Argyrios Kyrtzidis if (!isImplicit()) { 34620c6b8e3fa718a0a67292340e5cff6fe7cbd15c14Argyrios Kyrtzidis if (SelLocsK == SelLoc_NonStandard) 34630c6b8e3fa718a0a67292340e5cff6fe7cbd15c14Argyrios Kyrtzidis std::copy(SelLocs.begin(), SelLocs.end(), getStoredSelLocs()); 34640c6b8e3fa718a0a67292340e5cff6fe7cbd15c14Argyrios Kyrtzidis } 346504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 346604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 34679db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::Create(const ASTContext &Context, QualType T, 3468f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 346904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 347004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation SuperLoc, 347104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor bool IsInstanceSuper, 347204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType SuperType, 3473c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Selector Sel, 3474951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 347504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 34768d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3477746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3478746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) { 3479746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis assert((!SelLocs.empty() || isImplicit) && 3480746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis "No selector locs for non-implicit message"); 3481746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis ObjCMessageExpr *Mem; 3482746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SelectorLocationsKind SelLocsK = SelectorLocationsKind(); 3483746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis if (isImplicit) 3484746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args.size(), 0); 3485746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis else 3486746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK); 3487f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, SuperLoc, IsInstanceSuper, 3488207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SuperType, Sel, SelLocs, SelLocsK, 3489746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Method, Args, RBracLoc, isImplicit); 349004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 349104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 34929db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::Create(const ASTContext &Context, QualType T, 3493f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 349404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 349504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *Receiver, 3496c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Selector Sel, 3497951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 349804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 34998d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3500746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3501746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) { 3502746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis assert((!SelLocs.empty() || isImplicit) && 3503746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis "No selector locs for non-implicit message"); 3504746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis ObjCMessageExpr *Mem; 3505746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SelectorLocationsKind SelLocsK = SelectorLocationsKind(); 3506746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis if (isImplicit) 3507746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args.size(), 0); 3508746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis else 3509746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK); 3510951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, 3511746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SelLocs, SelLocsK, Method, Args, RBracLoc, 3512746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis isImplicit); 351304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 351404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 35159db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::Create(const ASTContext &Context, QualType T, 3516f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ExprValueKind VK, 351704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation LBracLoc, 351804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *Receiver, 3519f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Selector Sel, 3520951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 352104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCMethodDecl *Method, 35228d9ed7980405e91a12e33338a78fb99620adf553Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3523746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SourceLocation RBracLoc, 3524746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis bool isImplicit) { 3525746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis assert((!SelLocs.empty() || isImplicit) && 3526746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis "No selector locs for non-implicit message"); 3527746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis ObjCMessageExpr *Mem; 3528746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SelectorLocationsKind SelLocsK = SelectorLocationsKind(); 3529746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis if (isImplicit) 3530746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args.size(), 0); 3531746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis else 3532746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK); 3533951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, 3534746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis SelLocs, SelLocsK, Method, Args, RBracLoc, 3535746f5bcbfde5b25269169c63c66492311673b67dArgyrios Kyrtzidis isImplicit); 353604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 353704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 35389db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::CreateEmpty(const ASTContext &Context, 3539207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned NumArgs, 3540207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned NumStoredSelLocs) { 3541207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ObjCMessageExpr *Mem = alloc(Context, NumArgs, NumStoredSelLocs); 354204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor return new (Mem) ObjCMessageExpr(EmptyShell(), NumArgs); 354304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 3544e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis 35459db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::alloc(const ASTContext &C, 3546207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<Expr *> Args, 3547207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SourceLocation RBraceLoc, 3548207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis ArrayRef<SourceLocation> SelLocs, 3549207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis Selector Sel, 3550207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelectorLocationsKind &SelLocsK) { 3551207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelLocsK = hasStandardSelectorLocs(Sel, SelLocs, Args, RBraceLoc); 3552207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned NumStoredSelLocs = (SelLocsK == SelLoc_NonStandard) ? SelLocs.size() 3553207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis : 0; 3554207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis return alloc(C, Args.size(), NumStoredSelLocs); 3555207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis} 3556207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis 35579db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCMessageExpr *ObjCMessageExpr::alloc(const ASTContext &C, 3558207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned NumArgs, 3559207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned NumStoredSelLocs) { 3560207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis unsigned Size = sizeof(ObjCMessageExpr) + sizeof(void *) + 3561207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis NumArgs * sizeof(Expr *) + NumStoredSelLocs * sizeof(SourceLocation); 3562207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis return (ObjCMessageExpr *)C.Allocate(Size, 3563207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis llvm::AlignOf<ObjCMessageExpr>::Alignment); 3564207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis} 3565207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis 3566207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidisvoid ObjCMessageExpr::getSelectorLocs( 3567207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SmallVectorImpl<SourceLocation> &SelLocs) const { 3568207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis for (unsigned i = 0, e = getNumSelectorLocs(); i != e; ++i) 3569207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis SelLocs.push_back(getSelectorLoc(i)); 3570207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis} 3571207180802c836fda8acbedb47a92f9d2bdca59c3Argyrios Kyrtzidis 3572e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios KyrtzidisSourceRange ObjCMessageExpr::getReceiverRange() const { 3573e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis switch (getReceiverKind()) { 3574e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis case Instance: 3575e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis return getInstanceReceiver()->getSourceRange(); 3576e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis 3577e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis case Class: 3578e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis return getClassReceiverTypeInfo()->getTypeLoc().getSourceRange(); 3579e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis 3580e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis case SuperInstance: 3581e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis case SuperClass: 3582e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis return getSuperLoc(); 3583e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis } 3584e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis 35853026348bd4c13a0f83b59839f64065e0fcbea253David Blaikie llvm_unreachable("Invalid ReceiverKind!"); 3586e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis} 3587e005d19456e6fb73ace33f25e02ac10e22dd063fArgyrios Kyrtzidis 358804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas GregorSelector ObjCMessageExpr::getSelector() const { 358904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (HasMethod) 359004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor return reinterpret_cast<const ObjCMethodDecl *>(SelectorOrMethod) 359104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ->getSelector(); 3592c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return Selector(SelectorOrMethod); 359304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor} 359404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 3595e4a990f34904eb572c8d6aa1deef19465214359cArgyrios KyrtzidisQualType ObjCMessageExpr::getReceiverType() const { 359604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (getReceiverKind()) { 359704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case Instance: 3598e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis return getInstanceReceiver()->getType(); 359904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case Class: 3600e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis return getClassReceiver(); 360104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case SuperInstance: 360204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case SuperClass: 3603e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis return getSuperType(); 360404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 36050389e6bd0159bfdd08f7c50a37543b6e3adf0c33Chris Lattner 3606e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis llvm_unreachable("unexpected receiver kind"); 3607e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis} 3608e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis 3609e4a990f34904eb572c8d6aa1deef19465214359cArgyrios KyrtzidisObjCInterfaceDecl *ObjCMessageExpr::getReceiverInterface() const { 3610e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis QualType T = getReceiverType(); 3611e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis 3612e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis if (const ObjCObjectPointerType *Ptr = T->getAs<ObjCObjectPointerType>()) 3613e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis return Ptr->getInterfaceDecl(); 3614e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis 3615e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis if (const ObjCObjectType *Ty = T->getAs<ObjCObjectType>()) 3616e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis return Ty->getInterface(); 3617e4a990f34904eb572c8d6aa1deef19465214359cArgyrios Kyrtzidis 36186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 3619eb3b324800598cc3d5385fbad95ae5cff2c79113Ted Kremenek} 36200389e6bd0159bfdd08f7c50a37543b6e3adf0c33Chris Lattner 36215f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerStringRef ObjCBridgedCastExpr::getBridgeKindName() const { 3622f85e193739c953358c865005855253af4f68a497John McCall switch (getBridgeKind()) { 3623f85e193739c953358c865005855253af4f68a497John McCall case OBC_Bridge: 3624f85e193739c953358c865005855253af4f68a497John McCall return "__bridge"; 3625f85e193739c953358c865005855253af4f68a497John McCall case OBC_BridgeTransfer: 3626f85e193739c953358c865005855253af4f68a497John McCall return "__bridge_transfer"; 3627f85e193739c953358c865005855253af4f68a497John McCall case OBC_BridgeRetained: 3628f85e193739c953358c865005855253af4f68a497John McCall return "__bridge_retained"; 3629f85e193739c953358c865005855253af4f68a497John McCall } 36303026348bd4c13a0f83b59839f64065e0fcbea253David Blaikie 36313026348bd4c13a0f83b59839f64065e0fcbea253David Blaikie llvm_unreachable("Invalid BridgeKind!"); 3632f85e193739c953358c865005855253af4f68a497John McCall} 3633f85e193739c953358c865005855253af4f68a497John McCall 363405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperShuffleVectorExpr::ShuffleVectorExpr(const ASTContext &C, ArrayRef<Expr*> args, 3635bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor QualType Type, SourceLocation BLoc, 3636bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SourceLocation RP) 3637bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor : Expr(ShuffleVectorExprClass, Type, VK_RValue, OK_Ordinary, 3638bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->isDependentType(), Type->isDependentType(), 3639561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type->isInstantiationDependentType(), 3640bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Type->containsUnexpandedParameterPack()), 36413b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(args.size()) 3642bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor{ 36433b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SubExprs = new (C) Stmt*[args.size()]; 36443b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != args.size(); i++) { 3645bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isTypeDependent()) 3646bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.TypeDependent = true; 3647bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->isValueDependent()) 3648bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 3649561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (args[i]->isInstantiationDependent()) 3650561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3651bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (args[i]->containsUnexpandedParameterPack()) 3652bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 3653bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 3654bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor SubExprs[i] = args[i]; 3655bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 3656bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor} 3657bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 365805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid ShuffleVectorExpr::setExprs(const ASTContext &C, ArrayRef<Expr *> Exprs) { 3659888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman if (SubExprs) C.Deallocate(SubExprs); 3660888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman 366127365ee830cec7cf52c088b400867ff67b0b3b23Dmitri Gribenko this->NumExprs = Exprs.size(); 36622ad77cdd028b3c96f21d7bc6daee8fde6cf0cd86Dmitri Gribenko SubExprs = new (C) Stmt*[NumExprs]; 366327365ee830cec7cf52c088b400867ff67b0b3b23Dmitri Gribenko memcpy(SubExprs, Exprs.data(), sizeof(Expr *) * Exprs.size()); 36641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 3665888376a2bbcfc2f047902249f8455918e2489ae1Nate Begeman 366605ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperGenericSelectionExpr::GenericSelectionExpr(const ASTContext &Context, 3667f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation GenericLoc, Expr *ControllingExpr, 36683b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<TypeSourceInfo*> AssocTypes, 36693b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> AssocExprs, 36703b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SourceLocation DefaultLoc, 3671f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation RParenLoc, 3672f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne bool ContainsUnexpandedParameterPack, 3673f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne unsigned ResultIndex) 3674f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne : Expr(GenericSelectionExprClass, 3675f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne AssocExprs[ResultIndex]->getType(), 3676f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne AssocExprs[ResultIndex]->getValueKind(), 3677f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne AssocExprs[ResultIndex]->getObjectKind(), 3678f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne AssocExprs[ResultIndex]->isTypeDependent(), 3679f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne AssocExprs[ResultIndex]->isValueDependent(), 3680561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor AssocExprs[ResultIndex]->isInstantiationDependent(), 3681f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne ContainsUnexpandedParameterPack), 36823b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer AssocTypes(new (Context) TypeSourceInfo*[AssocTypes.size()]), 36833b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SubExprs(new (Context) Stmt*[END_EXPR+AssocExprs.size()]), 36843b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumAssocs(AssocExprs.size()), ResultIndex(ResultIndex), 36853b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer GenericLoc(GenericLoc), DefaultLoc(DefaultLoc), RParenLoc(RParenLoc) { 3686f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SubExprs[CONTROLLING] = ControllingExpr; 36873b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer assert(AssocTypes.size() == AssocExprs.size()); 36883b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer std::copy(AssocTypes.begin(), AssocTypes.end(), this->AssocTypes); 36893b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer std::copy(AssocExprs.begin(), AssocExprs.end(), SubExprs+END_EXPR); 3690f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne} 3691f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 369205ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperGenericSelectionExpr::GenericSelectionExpr(const ASTContext &Context, 3693f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation GenericLoc, Expr *ControllingExpr, 36943b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<TypeSourceInfo*> AssocTypes, 36953b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> AssocExprs, 36963b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SourceLocation DefaultLoc, 3697f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SourceLocation RParenLoc, 3698f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne bool ContainsUnexpandedParameterPack) 3699f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne : Expr(GenericSelectionExprClass, 3700f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne Context.DependentTy, 3701f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne VK_RValue, 3702f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne OK_Ordinary, 3703561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*isTypeDependent=*/true, 3704561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*isValueDependent=*/true, 3705561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*isInstantiationDependent=*/true, 3706f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne ContainsUnexpandedParameterPack), 37073b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer AssocTypes(new (Context) TypeSourceInfo*[AssocTypes.size()]), 37083b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer SubExprs(new (Context) Stmt*[END_EXPR+AssocExprs.size()]), 37093b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumAssocs(AssocExprs.size()), ResultIndex(-1U), GenericLoc(GenericLoc), 37103b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer DefaultLoc(DefaultLoc), RParenLoc(RParenLoc) { 3711f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne SubExprs[CONTROLLING] = ControllingExpr; 37123b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer assert(AssocTypes.size() == AssocExprs.size()); 37133b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer std::copy(AssocTypes.begin(), AssocTypes.end(), this->AssocTypes); 37143b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer std::copy(AssocExprs.begin(), AssocExprs.end(), SubExprs+END_EXPR); 3715f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne} 3716f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 371777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek//===----------------------------------------------------------------------===// 371805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor// DesignatedInitExpr 371905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor//===----------------------------------------------------------------------===// 372005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3721b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler CarruthIdentifierInfo *DesignatedInitExpr::Designator::getFieldName() const { 372205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(Kind == FieldDesignator && "Only valid on a field designator"); 372305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (Field.NameOrField & 0x01) 372405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return reinterpret_cast<IdentifierInfo *>(Field.NameOrField&~0x01); 372505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 372605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return getField()->getIdentifier(); 372705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 372805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 372905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperDesignatedInitExpr::DesignatedInitExpr(const ASTContext &C, QualType Ty, 3730319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor unsigned NumDesignators, 3731ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Designators, 37321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation EqualOrColonLoc, 3733ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor bool GNUSyntax, 37343b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> IndexExprs, 37359ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Init) 37361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Expr(DesignatedInitExprClass, Ty, 3737f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Init->getValueKind(), Init->getObjectKind(), 3738bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Init->isTypeDependent(), Init->isValueDependent(), 3739561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Init->isInstantiationDependent(), 3740bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor Init->containsUnexpandedParameterPack()), 37411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EqualOrColonLoc(EqualOrColonLoc), GNUSyntax(GNUSyntax), 37423b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumDesignators(NumDesignators), NumSubExprs(IndexExprs.size() + 1) { 3743319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor this->Designators = new (C) Designator[NumDesignators]; 37449ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37459ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Record the initializer itself. 37467502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall child_range Child = children(); 37479ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor *Child++ = Init; 37489ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37499ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Copy the designators and their subexpressions, computing 37509ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // value-dependence along the way. 37519ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor unsigned IndexIdx = 0; 37529ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor for (unsigned I = 0; I != NumDesignators; ++I) { 3753ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor this->Designators[I] = Designators[I]; 37549ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37559ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor if (this->Designators[I].isArrayDesignator()) { 37569ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Compute type- and value-dependence. 37579ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Index = IndexExprs[IndexIdx]; 3758bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Index->isTypeDependent() || Index->isValueDependent()) 3759bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 3760561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (Index->isInstantiationDependent()) 3761561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3762bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor // Propagate unexpanded parameter packs. 3763bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Index->containsUnexpandedParameterPack()) 3764bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 37659ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37669ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Copy the index expressions into permanent storage. 37679ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor *Child++ = IndexExprs[IndexIdx++]; 37689ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor } else if (this->Designators[I].isArrayRangeDesignator()) { 37699ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Compute type- and value-dependence. 37709ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *Start = IndexExprs[IndexIdx]; 37719ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor Expr *End = IndexExprs[IndexIdx + 1]; 3772bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Start->isTypeDependent() || Start->isValueDependent() || 3773561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor End->isTypeDependent() || End->isValueDependent()) { 3774bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 3775561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3776561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } else if (Start->isInstantiationDependent() || 3777561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor End->isInstantiationDependent()) { 3778561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3779561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 3780561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 3781bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor // Propagate unexpanded parameter packs. 3782bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (Start->containsUnexpandedParameterPack() || 3783bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor End->containsUnexpandedParameterPack()) 3784bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 37859ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37869ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor // Copy the start/end expressions into permanent storage. 37879ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor *Child++ = IndexExprs[IndexIdx++]; 37889ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor *Child++ = IndexExprs[IndexIdx++]; 37899ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor } 37909ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor } 37919ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor 37923b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer assert(IndexIdx == IndexExprs.size() && "Wrong number of index expressions"); 3793ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor} 3794ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 379505c13a3411782108d65aab3c77b1a231a4963bc0Douglas GregorDesignatedInitExpr * 379605ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperDesignatedInitExpr::Create(const ASTContext &C, Designator *Designators, 379705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor unsigned NumDesignators, 37983b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> IndexExprs, 379905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation ColonOrEqualLoc, 380005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor bool UsesColonSyntax, Expr *Init) { 3801c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Mem = C.Allocate(sizeof(DesignatedInitExpr) + 38023b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer sizeof(Stmt *) * (IndexExprs.size() + 1), 8); 3803319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor return new (Mem) DesignatedInitExpr(C, C.VoidTy, NumDesignators, Designators, 38049ea62768fca25d829d80199cf4f8cf0f4dd39251Douglas Gregor ColonOrEqualLoc, UsesColonSyntax, 38053b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer IndexExprs, Init); 380605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 380705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 380805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperDesignatedInitExpr *DesignatedInitExpr::CreateEmpty(const ASTContext &C, 3809d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned NumIndexExprs) { 3810d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor void *Mem = C.Allocate(sizeof(DesignatedInitExpr) + 3811d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor sizeof(Stmt *) * (NumIndexExprs + 1), 8); 3812d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor return new (Mem) DesignatedInitExpr(NumIndexExprs + 1); 3813d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor} 3814d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 381505ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid DesignatedInitExpr::setDesignators(const ASTContext &C, 3816319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor const Designator *Desigs, 3817d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor unsigned NumDesigs) { 3818319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor Designators = new (C) Designator[NumDesigs]; 3819d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor NumDesignators = NumDesigs; 3820d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor for (unsigned I = 0; I != NumDesigs; ++I) 3821d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor Designators[I] = Desigs[I]; 3822d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor} 3823d077d759d0c7fceee98f4e77b6423a3f11cfc849Douglas Gregor 382424f4674e697fb53587f0e8485e9c6592f7021ef2Abramo BagnaraSourceRange DesignatedInitExpr::getDesignatorsSourceRange() const { 382524f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara DesignatedInitExpr *DIE = const_cast<DesignatedInitExpr*>(this); 382624f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara if (size() == 1) 382724f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara return DIE->getDesignator(0)->getSourceRange(); 382865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SourceRange(DIE->getDesignator(0)->getLocStart(), 382965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen DIE->getDesignator(size()-1)->getLocEnd()); 383024f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara} 383124f4674e697fb53587f0e8485e9c6592f7021ef2Abramo Bagnara 383265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik VerbruggenSourceLocation DesignatedInitExpr::getLocStart() const { 383305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor SourceLocation StartLoc; 3834d603eaa682cecac2c10771a700cb83aa301653b4Chris Lattner Designator &First = 3835d603eaa682cecac2c10771a700cb83aa301653b4Chris Lattner *const_cast<DesignatedInitExpr*>(this)->designators_begin(); 383605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor if (First.isFieldDesignator()) { 3837eeae8f072748affce25ab4064982626361293390Douglas Gregor if (GNUSyntax) 383805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor StartLoc = SourceLocation::getFromRawEncoding(First.Field.FieldLoc); 383905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor else 384005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor StartLoc = SourceLocation::getFromRawEncoding(First.Field.DotLoc); 384105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor } else 3842d603eaa682cecac2c10771a700cb83aa301653b4Chris Lattner StartLoc = 3843d603eaa682cecac2c10771a700cb83aa301653b4Chris Lattner SourceLocation::getFromRawEncoding(First.ArrayOrRange.LBracketLoc); 384465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return StartLoc; 384565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen} 384665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 384765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik VerbruggenSourceLocation DesignatedInitExpr::getLocEnd() const { 384865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return getInit()->getLocEnd(); 384905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 385005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3851d615f88e3c24f91a65c25a4f7e66e0f97b18cc15Dmitri GribenkoExpr *DesignatedInitExpr::getArrayIndex(const Designator& D) const { 385205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor assert(D.Kind == Designator::ArrayDesignator && "Requires array designator"); 3853651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Stmt *const *SubExprs = reinterpret_cast<Stmt *const *>(this + 1); 385405c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*(SubExprs + D.ArrayOrRange.Index + 1)); 385505c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 385605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3857d615f88e3c24f91a65c25a4f7e66e0f97b18cc15Dmitri GribenkoExpr *DesignatedInitExpr::getArrayRangeStart(const Designator &D) const { 38581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(D.Kind == Designator::ArrayRangeDesignator && 385905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Requires array range designator"); 3860651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Stmt *const *SubExprs = reinterpret_cast<Stmt *const *>(this + 1); 386105c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*(SubExprs + D.ArrayOrRange.Index + 1)); 386205c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 386305c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3864d615f88e3c24f91a65c25a4f7e66e0f97b18cc15Dmitri GribenkoExpr *DesignatedInitExpr::getArrayRangeEnd(const Designator &D) const { 38651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(D.Kind == Designator::ArrayRangeDesignator && 386605c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor "Requires array range designator"); 3867651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Stmt *const *SubExprs = reinterpret_cast<Stmt *const *>(this + 1); 386805c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor return cast<Expr>(*(SubExprs + D.ArrayOrRange.Index + 2)); 386905c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor} 387005c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor 3871ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor/// \brief Replaces the designator at index @p Idx with the series 3872ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor/// of designators in [First, Last). 387305ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Toppervoid DesignatedInitExpr::ExpandDesignator(const ASTContext &C, unsigned Idx, 38741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Designator *First, 3875ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor const Designator *Last) { 3876ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor unsigned NumNewDesignators = Last - First; 3877ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor if (NumNewDesignators == 0) { 3878ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor std::copy_backward(Designators + Idx + 1, 3879ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designators + NumDesignators, 3880ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designators + Idx); 3881ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor --NumNewDesignators; 3882ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor return; 3883ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } else if (NumNewDesignators == 1) { 3884ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designators[Idx] = *First; 3885ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor return; 3886ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor } 3887ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 38881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Designator *NewDesignators 3889319d57f21600dd2c4d52ccc27bd12ce260b174e7Douglas Gregor = new (C) Designator[NumDesignators - 1 + NumNewDesignators]; 3890ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor std::copy(Designators, Designators + Idx, NewDesignators); 3891ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor std::copy(First, Last, NewDesignators + Idx); 3892ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor std::copy(Designators + Idx + 1, Designators + NumDesignators, 3893ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor NewDesignators + Idx + NumNewDesignators); 3894ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor Designators = NewDesignators; 3895ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor NumDesignators = NumDesignators - 1 + NumNewDesignators; 3896ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor} 3897ffb4b6e299069139908540ce97be4462e16b53a4Douglas Gregor 389805ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperParenListExpr::ParenListExpr(const ASTContext& C, SourceLocation lparenloc, 38993b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer ArrayRef<Expr*> exprs, 39005b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl SourceLocation rparenloc) 39015b9cc5df25c2198f270dd1d5c438fdce70d4051dSebastian Redl : Expr(ParenListExprClass, QualType(), VK_RValue, OK_Ordinary, 3902561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor false, false, false, false), 39033b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumExprs(exprs.size()), LParenLoc(lparenloc), RParenLoc(rparenloc) { 39043b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer Exprs = new (C) Stmt*[exprs.size()]; 39053b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != exprs.size(); ++i) { 3906bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (exprs[i]->isTypeDependent()) 3907bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.TypeDependent = true; 3908bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (exprs[i]->isValueDependent()) 3909bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ValueDependent = true; 3910561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (exprs[i]->isInstantiationDependent()) 3911561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor ExprBits.InstantiationDependent = true; 3912bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor if (exprs[i]->containsUnexpandedParameterPack()) 3913bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor ExprBits.ContainsUnexpandedParameterPack = true; 3914bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 39152ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman Exprs[i] = exprs[i]; 3916bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor } 39172ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman} 39182ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman 3919e996ffd240f20a1048179d7727a6ee3227261921John McCallconst OpaqueValueExpr *OpaqueValueExpr::findInCopyConstruct(const Expr *e) { 3920e996ffd240f20a1048179d7727a6ee3227261921John McCall if (const ExprWithCleanups *ewc = dyn_cast<ExprWithCleanups>(e)) 3921e996ffd240f20a1048179d7727a6ee3227261921John McCall e = ewc->getSubExpr(); 392203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const MaterializeTemporaryExpr *m = dyn_cast<MaterializeTemporaryExpr>(e)) 392303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor e = m->GetTemporaryExpr(); 3924e996ffd240f20a1048179d7727a6ee3227261921John McCall e = cast<CXXConstructExpr>(e)->getArg(0); 3925e996ffd240f20a1048179d7727a6ee3227261921John McCall while (const ImplicitCastExpr *ice = dyn_cast<ImplicitCastExpr>(e)) 3926e996ffd240f20a1048179d7727a6ee3227261921John McCall e = ice->getSubExpr(); 3927e996ffd240f20a1048179d7727a6ee3227261921John McCall return cast<OpaqueValueExpr>(e); 3928e996ffd240f20a1048179d7727a6ee3227261921John McCall} 3929e996ffd240f20a1048179d7727a6ee3227261921John McCall 393005ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperPseudoObjectExpr *PseudoObjectExpr::Create(const ASTContext &Context, 393105ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper EmptyShell sh, 39324b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned numSemanticExprs) { 39334b9c2d235fb9449e249d74f48ecfec601650de93John McCall void *buffer = Context.Allocate(sizeof(PseudoObjectExpr) + 39344b9c2d235fb9449e249d74f48ecfec601650de93John McCall (1 + numSemanticExprs) * sizeof(Expr*), 39354b9c2d235fb9449e249d74f48ecfec601650de93John McCall llvm::alignOf<PseudoObjectExpr>()); 39364b9c2d235fb9449e249d74f48ecfec601650de93John McCall return new(buffer) PseudoObjectExpr(sh, numSemanticExprs); 39374b9c2d235fb9449e249d74f48ecfec601650de93John McCall} 39384b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39394b9c2d235fb9449e249d74f48ecfec601650de93John McCallPseudoObjectExpr::PseudoObjectExpr(EmptyShell shell, unsigned numSemanticExprs) 39404b9c2d235fb9449e249d74f48ecfec601650de93John McCall : Expr(PseudoObjectExprClass, shell) { 39414b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBits.NumSubExprs = numSemanticExprs + 1; 39424b9c2d235fb9449e249d74f48ecfec601650de93John McCall} 39434b9c2d235fb9449e249d74f48ecfec601650de93John McCall 394405ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig TopperPseudoObjectExpr *PseudoObjectExpr::Create(const ASTContext &C, Expr *syntax, 39454b9c2d235fb9449e249d74f48ecfec601650de93John McCall ArrayRef<Expr*> semantics, 39464b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned resultIndex) { 39474b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(syntax && "no syntactic expression!"); 39484b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(semantics.size() && "no semantic expressions!"); 39494b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39504b9c2d235fb9449e249d74f48ecfec601650de93John McCall QualType type; 39514b9c2d235fb9449e249d74f48ecfec601650de93John McCall ExprValueKind VK; 39524b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (resultIndex == NoResult) { 39534b9c2d235fb9449e249d74f48ecfec601650de93John McCall type = C.VoidTy; 39544b9c2d235fb9449e249d74f48ecfec601650de93John McCall VK = VK_RValue; 39554b9c2d235fb9449e249d74f48ecfec601650de93John McCall } else { 39564b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(resultIndex < semantics.size()); 39574b9c2d235fb9449e249d74f48ecfec601650de93John McCall type = semantics[resultIndex]->getType(); 39584b9c2d235fb9449e249d74f48ecfec601650de93John McCall VK = semantics[resultIndex]->getValueKind(); 39594b9c2d235fb9449e249d74f48ecfec601650de93John McCall assert(semantics[resultIndex]->getObjectKind() == OK_Ordinary); 39604b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 39614b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39624b9c2d235fb9449e249d74f48ecfec601650de93John McCall void *buffer = C.Allocate(sizeof(PseudoObjectExpr) + 39634b9c2d235fb9449e249d74f48ecfec601650de93John McCall (1 + semantics.size()) * sizeof(Expr*), 39644b9c2d235fb9449e249d74f48ecfec601650de93John McCall llvm::alignOf<PseudoObjectExpr>()); 39654b9c2d235fb9449e249d74f48ecfec601650de93John McCall return new(buffer) PseudoObjectExpr(type, VK, syntax, semantics, 39664b9c2d235fb9449e249d74f48ecfec601650de93John McCall resultIndex); 39674b9c2d235fb9449e249d74f48ecfec601650de93John McCall} 39684b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39694b9c2d235fb9449e249d74f48ecfec601650de93John McCallPseudoObjectExpr::PseudoObjectExpr(QualType type, ExprValueKind VK, 39704b9c2d235fb9449e249d74f48ecfec601650de93John McCall Expr *syntax, ArrayRef<Expr*> semantics, 39714b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned resultIndex) 39724b9c2d235fb9449e249d74f48ecfec601650de93John McCall : Expr(PseudoObjectExprClass, type, VK, OK_Ordinary, 39734b9c2d235fb9449e249d74f48ecfec601650de93John McCall /*filled in at end of ctor*/ false, false, false, false) { 39744b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBits.NumSubExprs = semantics.size() + 1; 39754b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBits.ResultIndex = resultIndex + 1; 39764b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39774b9c2d235fb9449e249d74f48ecfec601650de93John McCall for (unsigned i = 0, e = semantics.size() + 1; i != e; ++i) { 39784b9c2d235fb9449e249d74f48ecfec601650de93John McCall Expr *E = (i == 0 ? syntax : semantics[i-1]); 39794b9c2d235fb9449e249d74f48ecfec601650de93John McCall getSubExprsBuffer()[i] = E; 39804b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39814b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (E->isTypeDependent()) 39824b9c2d235fb9449e249d74f48ecfec601650de93John McCall ExprBits.TypeDependent = true; 39834b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (E->isValueDependent()) 39844b9c2d235fb9449e249d74f48ecfec601650de93John McCall ExprBits.ValueDependent = true; 39854b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (E->isInstantiationDependent()) 39864b9c2d235fb9449e249d74f48ecfec601650de93John McCall ExprBits.InstantiationDependent = true; 39874b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (E->containsUnexpandedParameterPack()) 39884b9c2d235fb9449e249d74f48ecfec601650de93John McCall ExprBits.ContainsUnexpandedParameterPack = true; 39894b9c2d235fb9449e249d74f48ecfec601650de93John McCall 39904b9c2d235fb9449e249d74f48ecfec601650de93John McCall if (isa<OpaqueValueExpr>(E)) 39916bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines assert(cast<OpaqueValueExpr>(E)->getSourceExpr() != nullptr && 39924b9c2d235fb9449e249d74f48ecfec601650de93John McCall "opaque-value semantic expressions for pseudo-object " 39934b9c2d235fb9449e249d74f48ecfec601650de93John McCall "operations must have sources"); 39944b9c2d235fb9449e249d74f48ecfec601650de93John McCall } 39954b9c2d235fb9449e249d74f48ecfec601650de93John McCall} 39964b9c2d235fb9449e249d74f48ecfec601650de93John McCall 399705c13a3411782108d65aab3c77b1a231a4963bc0Douglas Gregor//===----------------------------------------------------------------------===// 3998ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// ExprIterator. 3999ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 4000ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 4001ce2fc3a343ea6098a96d587071cee7299f11957aTed KremenekExpr* ExprIterator::operator[](size_t idx) { return cast<Expr>(I[idx]); } 4002ce2fc3a343ea6098a96d587071cee7299f11957aTed KremenekExpr* ExprIterator::operator*() const { return cast<Expr>(*I); } 4003ce2fc3a343ea6098a96d587071cee7299f11957aTed KremenekExpr* ExprIterator::operator->() const { return cast<Expr>(*I); } 4004ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenekconst Expr* ConstExprIterator::operator[](size_t idx) const { 4005ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return cast<Expr>(I[idx]); 4006ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek} 4007ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenekconst Expr* ConstExprIterator::operator*() const { return cast<Expr>(*I); } 4008ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenekconst Expr* ConstExprIterator::operator->() const { return cast<Expr>(*I); } 4009ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 4010ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 401177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek// Child Iterators for iterating over subexpressions/substatements 401277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek//===----------------------------------------------------------------------===// 401377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4014f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne// UnaryExprOrTypeTraitExpr 4015f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter CollingbourneStmt::child_range UnaryExprOrTypeTraitExpr::children() { 40160518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl // If this is of a type and the type is a VLA type (and not a typedef), the 40170518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl // size expression of the VLA needs to be treated as an executable expression. 40180518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl // Why isn't this weirdness documented better in StmtIterator? 40190518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl if (isArgumentType()) { 4020f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const VariableArrayType* T = dyn_cast<VariableArrayType>( 40210518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl getArgumentType().getTypePtr())) 402263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(T), child_iterator()); 402363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 40240518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 402563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Argument.Ex, &Argument.Ex + 1); 40269ac5928abeb3a47592201e1c30fe2930c20a507eTed Kremenek} 4027390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4028563477da25f824e37c535131695dc4dc9b68c465Steve Naroff// ObjCMessageExpr 402963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCallStmt::child_range ObjCMessageExpr::children() { 403063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt **begin; 403104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (getReceiverKind() == Instance) 403263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall begin = reinterpret_cast<Stmt **>(this + 1); 403363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall else 403463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall begin = reinterpret_cast<Stmt **>(getArgs()); 403563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(begin, 403663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall reinterpret_cast<Stmt **>(getArgs() + getNumArgs())); 4037563477da25f824e37c535131695dc4dc9b68c465Steve Naroff} 4038563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 4039cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri GribenkoObjCArrayLiteral::ObjCArrayLiteral(ArrayRef<Expr *> Elements, 4040ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek QualType T, ObjCMethodDecl *Method, 4041ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceRange SR) 4042ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek : Expr(ObjCArrayLiteralClass, T, VK_RValue, OK_Ordinary, 4043ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek false, false, false, false), 4044ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek NumElements(Elements.size()), Range(SR), ArrayWithObjectsMethod(Method) 4045ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek{ 4046ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expr **SaveElements = getElements(); 4047ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek for (unsigned I = 0, N = Elements.size(); I != N; ++I) { 4048ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Elements[I]->isTypeDependent() || Elements[I]->isValueDependent()) 4049ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.ValueDependent = true; 4050ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Elements[I]->isInstantiationDependent()) 4051ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.InstantiationDependent = true; 4052ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Elements[I]->containsUnexpandedParameterPack()) 4053ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.ContainsUnexpandedParameterPack = true; 4054ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4055ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SaveElements[I] = Elements[I]; 4056ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 4057ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4058ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 40599db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCArrayLiteral *ObjCArrayLiteral::Create(const ASTContext &C, 4060cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko ArrayRef<Expr *> Elements, 4061ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek QualType T, ObjCMethodDecl * Method, 4062ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceRange SR) { 4063ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek void *Mem = C.Allocate(sizeof(ObjCArrayLiteral) 4064ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek + Elements.size() * sizeof(Expr *)); 4065ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return new (Mem) ObjCArrayLiteral(Elements, T, Method, SR); 4066ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4067ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 40689db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCArrayLiteral *ObjCArrayLiteral::CreateEmpty(const ASTContext &C, 4069ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek unsigned NumElements) { 4070ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4071ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek void *Mem = C.Allocate(sizeof(ObjCArrayLiteral) 4072ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek + NumElements * sizeof(Expr *)); 4073ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return new (Mem) ObjCArrayLiteral(EmptyShell(), NumElements); 4074ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4075ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4076ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekObjCDictionaryLiteral::ObjCDictionaryLiteral( 4077ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ArrayRef<ObjCDictionaryElement> VK, 4078ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek bool HasPackExpansions, 4079ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek QualType T, ObjCMethodDecl *method, 4080ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceRange SR) 4081ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek : Expr(ObjCDictionaryLiteralClass, T, VK_RValue, OK_Ordinary, false, false, 4082ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek false, false), 4083ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek NumElements(VK.size()), HasPackExpansions(HasPackExpansions), Range(SR), 4084ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek DictWithObjectsMethod(method) 4085ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek{ 4086ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek KeyValuePair *KeyValues = getKeyValues(); 4087ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExpansionData *Expansions = getExpansionData(); 4088ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek for (unsigned I = 0; I < NumElements; I++) { 4089ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (VK[I].Key->isTypeDependent() || VK[I].Key->isValueDependent() || 4090ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek VK[I].Value->isTypeDependent() || VK[I].Value->isValueDependent()) 4091ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.ValueDependent = true; 4092ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (VK[I].Key->isInstantiationDependent() || 4093ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek VK[I].Value->isInstantiationDependent()) 4094ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.InstantiationDependent = true; 4095ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (VK[I].EllipsisLoc.isInvalid() && 4096ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek (VK[I].Key->containsUnexpandedParameterPack() || 4097ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek VK[I].Value->containsUnexpandedParameterPack())) 4098ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprBits.ContainsUnexpandedParameterPack = true; 4099ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4100ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek KeyValues[I].Key = VK[I].Key; 4101ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek KeyValues[I].Value = VK[I].Value; 4102ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Expansions) { 4103ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expansions[I].EllipsisLoc = VK[I].EllipsisLoc; 4104ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (VK[I].NumExpansions) 4105ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expansions[I].NumExpansionsPlusOne = *VK[I].NumExpansions + 1; 4106ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek else 4107ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expansions[I].NumExpansionsPlusOne = 0; 4108ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 4109ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 4110ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4111ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4112ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekObjCDictionaryLiteral * 41139db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCDictionaryLiteral::Create(const ASTContext &C, 4114ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ArrayRef<ObjCDictionaryElement> VK, 4115ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek bool HasPackExpansions, 4116ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek QualType T, ObjCMethodDecl *method, 4117ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceRange SR) { 4118ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek unsigned ExpansionsSize = 0; 4119ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (HasPackExpansions) 4120ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExpansionsSize = sizeof(ExpansionData) * VK.size(); 4121ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4122ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) + 4123ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek sizeof(KeyValuePair) * VK.size() + ExpansionsSize); 4124ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return new (Mem) ObjCDictionaryLiteral(VK, HasPackExpansions, T, method, SR); 4125ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4126ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 4127ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekObjCDictionaryLiteral * 41289db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCDictionaryLiteral::CreateEmpty(const ASTContext &C, unsigned NumElements, 4129ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek bool HasPackExpansions) { 4130ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek unsigned ExpansionsSize = 0; 4131ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (HasPackExpansions) 4132ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExpansionsSize = sizeof(ExpansionData) * NumElements; 4133ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) + 4134ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek sizeof(KeyValuePair) * NumElements + ExpansionsSize); 4135ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return new (Mem) ObjCDictionaryLiteral(EmptyShell(), NumElements, 4136ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek HasPackExpansions); 4137ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4138ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 41399db7a7eb4e23758e041752c9c0c0ec1663d5a0afCraig TopperObjCSubscriptRefExpr *ObjCSubscriptRefExpr::Create(const ASTContext &C, 4140ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expr *base, 4141ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Expr *key, QualType T, 4142ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ObjCMethodDecl *getMethod, 4143ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ObjCMethodDecl *setMethod, 4144ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation RB) { 4145ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek void *Mem = C.Allocate(sizeof(ObjCSubscriptRefExpr)); 4146ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return new (Mem) ObjCSubscriptRefExpr(base, key, T, VK_LValue, 4147ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek OK_ObjCSubscript, 4148ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek getMethod, setMethod, RB); 4149ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 4150dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman 41513b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin KramerAtomicExpr::AtomicExpr(SourceLocation BLoc, ArrayRef<Expr*> args, 4152dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman QualType t, AtomicOp op, SourceLocation RP) 4153dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman : Expr(AtomicExprClass, t, VK_RValue, OK_Ordinary, 4154dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman false, false, false, false), 41553b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer NumSubExprs(args.size()), BuiltinLoc(BLoc), RParenLoc(RP), Op(op) 4156dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman{ 41573b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer assert(args.size() == getNumSubExprs(op) && "wrong number of subexpressions"); 41583b6bef9a213249c6ab6d67c07b1ac6380961be3eBenjamin Kramer for (unsigned i = 0; i != args.size(); i++) { 4159dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman if (args[i]->isTypeDependent()) 4160dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman ExprBits.TypeDependent = true; 4161dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman if (args[i]->isValueDependent()) 4162dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman ExprBits.ValueDependent = true; 4163dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman if (args[i]->isInstantiationDependent()) 4164dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman ExprBits.InstantiationDependent = true; 4165dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman if (args[i]->containsUnexpandedParameterPack()) 4166dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman ExprBits.ContainsUnexpandedParameterPack = true; 4167dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman 4168dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman SubExprs[i] = args[i]; 4169dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman } 4170dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman} 4171e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith 4172e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smithunsigned AtomicExpr::getNumSubExprs(AtomicOp Op) { 4173e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith switch (Op) { 4174ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_init: 4175ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_load: 4176ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_load_n: 4177e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith return 2; 4178ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith 4179ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_store: 4180ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_exchange: 4181ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_load: 4182ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_store: 4183ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_store_n: 4184ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_exchange_n: 4185ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_fetch_add: 4186ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_fetch_sub: 4187ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_fetch_and: 4188ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_fetch_or: 4189ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_fetch_xor: 4190ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_fetch_add: 4191ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_fetch_sub: 4192ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_fetch_and: 4193ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_fetch_or: 4194ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_fetch_xor: 419551b92401c9f95023a2ef27064fd5a60fd99175f5Richard Smith case AO__atomic_fetch_nand: 4196ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_add_fetch: 4197ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_sub_fetch: 4198ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_and_fetch: 4199ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_or_fetch: 4200ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_xor_fetch: 420151b92401c9f95023a2ef27064fd5a60fd99175f5Richard Smith case AO__atomic_nand_fetch: 4202e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith return 3; 4203ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith 4204ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_exchange: 4205ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith return 4; 4206ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith 4207ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_compare_exchange_strong: 4208ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__c11_atomic_compare_exchange_weak: 4209e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith return 5; 4210ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith 4211ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_compare_exchange: 4212ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith case AO__atomic_compare_exchange_n: 4213ff34d401ff385ef7173ca612432b4ea717fff690Richard Smith return 6; 4214e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith } 4215e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith llvm_unreachable("unknown atomic op"); 4216e1b2abc2ed3f2c98985b06b4ad01c977bd584020Richard Smith} 4217