ParseExprCXX.cpp revision bca01b46850f867b2f4137f25c882022b58f8471
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ParseExprCXX.cpp - C++ Expression Parsing ------------------------===// 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 Expression parsing implementation for C++. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 16bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor#include "llvm/Support/ErrorHandling.h" 203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic int SelectDigraphErrorMessage(tok::TokenKind Kind) { 24ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith switch (Kind) { 25ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_template: return 0; 26ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_const_cast: return 1; 27ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_dynamic_cast: return 2; 28ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_reinterpret_cast: return 3; 29ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith case tok::kw_static_cast: return 4; 30ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith default: 31ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith assert(0 && "Unknown type for digraph error message."); 32ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith return -1; 33ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 34ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 35ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 36ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith// Are the two tokens adjacent in the same source file? 37ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic bool AreTokensAdjacent(Preprocessor &PP, Token &First, Token &Second) { 38ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceManager &SM = PP.getSourceManager(); 39ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceLocation FirstLoc = SM.getSpellingLoc(First.getLocation()); 40ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceLocation FirstEnd = FirstLoc.getFileLocWithOffset(First.getLength()); 41ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith return FirstEnd == SM.getSpellingLoc(Second.getLocation()); 42ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 43ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 44ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith// Suggest fixit for "<::" after a cast. 45ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smithstatic void FixDigraph(Parser &P, Preprocessor &PP, Token &DigraphToken, 46ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token &ColonToken, tok::TokenKind Kind, bool AtDigraph) { 47ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Pull '<:' and ':' off token stream. 48ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (!AtDigraph) 49ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.Lex(DigraphToken); 50ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.Lex(ColonToken); 51ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 52ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith SourceRange Range; 53ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Range.setBegin(DigraphToken.getLocation()); 54ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Range.setEnd(ColonToken.getLocation()); 55ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith P.Diag(DigraphToken.getLocation(), diag::err_missing_whitespace_digraph) 56ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith << SelectDigraphErrorMessage(Kind) 57ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith << FixItHint::CreateReplacement(Range, "< ::"); 58ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 59ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Update token information to reflect their change in token type. 60ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setKind(tok::coloncolon); 61ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setLocation(ColonToken.getLocation().getFileLocWithOffset(-1)); 62ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ColonToken.setLength(2); 63ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith DigraphToken.setKind(tok::less); 64ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith DigraphToken.setLength(1); 65ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 66ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Push new tokens back to token stream. 67ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.EnterToken(ColonToken); 68ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (!AtDigraph) 69ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith PP.EnterToken(DigraphToken); 70ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith} 71ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Parse global scope or nested-name-specifier if present. 732dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 742dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// Parses a C++ global scope specifier ('::') or nested-name-specifier (which 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// may be preceded by '::'). Note that this routine will not parse ::new or 762dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// ::delete; it will just leave them in the token stream. 77eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 78eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 79eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' 80eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 81eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier: 82eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// type-name '::' 83eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace-name '::' 84eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// nested-name-specifier identifier '::' 852dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier 'template'[opt] simple-template-id '::' 862dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 872dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param SS the scope specifier that will be set to the parsed 892dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// nested-name-specifier (or empty) 902dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ObjectType if this nested-name-specifier is being parsed following 922dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the "." or "->" of a member access expression, this parameter provides the 932dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// type of the object whose members are being accessed. 94eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 952dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// \param EnteringContext whether we will be entering into the context of 962dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// the nested-name-specifier after parsing it. 972dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor/// 98d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param MayBePseudoDestructor When non-NULL, points to a flag that 99d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// indicates whether this nested-name-specifier may be part of a 100d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor name. In this case, the flag will be set false 101d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we don't actually end up parsing a destructor name. Moreorover, 102d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// if we do end up determining that we are parsing a destructor name, 103d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// the last component of the nested-name-specifier is not parsed as 104d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// part of the scope specifier. 105d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 106b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// member access expression, e.g., the \p T:: in \p p->T::m. 107b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor/// 1089ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall/// \returns true if there was an error parsing a scope specifier 109495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 110b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 111b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor bool EnteringContext, 1124147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet bool *MayBePseudoDestructor, 1134147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet bool IsTypename) { 1144bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 1157452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Call sites of this function should be guarded by checking for C++"); 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 117eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::annot_cxxscope)) { 118c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor Actions.RestoreNestedNameSpecifierAnnotation(Tok.getAnnotationValue(), 119c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor Tok.getAnnotationRange(), 120c34348a7ef1a6b3f92a644a227953800cd1f9947Douglas Gregor SS); 121eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ConsumeToken(); 1229ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 123eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 124e607e808c2b90724a2a6fd841e850f07de1f5b30Chris Lattner 12539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool HasScopeSpecifier = false; 12639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 1275b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (Tok.is(tok::coloncolon)) { 1285b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner // ::new and ::delete aren't nested-name-specifiers. 1295b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner tok::TokenKind NextKind = NextToken().getKind(); 1305b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner if (NextKind == tok::kw_new || NextKind == tok::kw_delete) 1315b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner return false; 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner // '::' - Global scope qualifier. 1342e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.ActOnCXXGlobalScopeSpecifier(getCurScope(), ConsumeToken(), SS)) 1352e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor return true; 1362e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor 13739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor HasScopeSpecifier = true; 138eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 139eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 140d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool CheckForDestructor = false; 141d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (MayBePseudoDestructor && *MayBePseudoDestructor) { 142d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CheckForDestructor = true; 143d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = false; 144d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 145d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 14639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor while (true) { 1472dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (HasScopeSpecifier) { 1482dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // C++ [basic.lookup.classref]p5: 1492dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If the qualified-id has the form 1503b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1512dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // ::class-name-or-namespace-name::... 1523b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor // 1532dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // the class-name-or-namespace-name is looked up in global scope as a 1542dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // class-name or namespace-name. 1552dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // 1562dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // To implement this, we clear out the object type as soon as we've 1572dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // seen a leading '::' or part of a nested-name-specifier. 158b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ObjectType = ParsedType(); 15981b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 16081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor if (Tok.is(tok::code_completion)) { 16181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // Code completion for a nested-name-specifier, where the code 16281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // code completion token follows the '::'. 16323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteQualifiedId(getCurScope(), SS, EnteringContext); 164b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis SourceLocation ccLoc = ConsumeCodeCompletionToken(); 165b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // Include code completion token into the range of the scope otherwise 166b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // when we try to annotate the scope tokens the dangling code completion 167b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // token will cause assertion in 168b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis // Preprocessor::AnnotatePreviousCachedTokens. 169b6b2b180c6857af75c6683f7107a7c8994f074edArgyrios Kyrtzidis SS.setEndLoc(ccLoc); 17081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 1712dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 17477cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 17577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 17677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 17777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 17877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1792dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 180eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 181eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1822dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 183eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 184eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 1857bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TentativeParsingAction TPA(*this); 18677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 187ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 188ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId TemplateName; 189ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::identifier)) { 190ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1917bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 192ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 193ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else if (Tok.is(tok::kw_operator)) { 194ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, 1957bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName)) { 1967bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 197ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1987bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 200e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if (TemplateName.getKind() != UnqualifiedId::IK_OperatorFunctionId && 201e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt TemplateName.getKind() != UnqualifiedId::IK_LiteralOperatorId) { 202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Diag(TemplateName.getSourceRange().getBegin(), 203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 204ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor << TemplateName.getSourceRange(); 2057bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 206ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 2097bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 21077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 21177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2137bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // If the next token is not '<', we have a qualified-id that refers 2147bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // to a template name, such as T::template apply, but is not a 2157bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // template-id. 2167bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor if (Tok.isNot(tok::less)) { 2177bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 2187bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor break; 2197bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 2207bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor 2217bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // Commit to parsing the template-id. 2227bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 223d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateTy Template; 22423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.ActOnDependentTemplateName(getCurScope(), 225d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, 226d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, 227d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, 228d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ObjectType, 229d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, 230d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template)) { 231059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 232d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, false)) 233d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 234d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } else 2359ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 2361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23777cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 23877cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 24239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 24339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 24439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 24539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 246c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 247c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 24825a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 249d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde)) { 250d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 2519ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 252d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 253d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 2546cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor // Consume the template-id token. 2556cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ConsumeToken(); 2566cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2576cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 2586cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2606cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (!HasScopeSpecifier) 2616cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor HasScopeSpecifier = true; 2626cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2636cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, 2646cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->getTemplateArgs(), 2656cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->NumArgs); 2666cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2676cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), 2686cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor /*FIXME:*/SourceLocation(), 2696cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS, 2706cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->Template, 2716cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->TemplateNameLoc, 2726cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->LAngleLoc, 2736cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateArgsPtr, 2746cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->RAngleLoc, 2756cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor CCLoc, 2766cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor EnteringContext)) { 2776cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation StartLoc 2786cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor = SS.getBeginLoc().isValid()? SS.getBeginLoc() 2796cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor : TemplateId->TemplateNameLoc; 2806cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS.SetInvalid(SourceRange(StartLoc, CCLoc)); 28167b9e831943300ce54e564e601971828ce4def15Chris Lattner } 282eccce7e246a17e12a2afd6eabb9ac7c8d582db4eArgyrios Kyrtzidis 2836cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor continue; 28439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 28539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2905c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2915c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2925c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2935c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2955c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 2965c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 2975c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 2985c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 29946646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 30046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 30146646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 302b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Next.is(tok::colon) && !ColonIsSacred) { 3032e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.IsInvalidUnlessNestedName(getCurScope(), SS, II, 3042e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Tok.getLocation(), 3052e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Next.getLocation(), ObjectType, 306b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext) && 307b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // If the token after the colon isn't an identifier, it's still an 308b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // error, but they probably meant something else strange so don't 309b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // recover like this. 310b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor PP.LookAhead(1).is(tok::identifier)) { 311b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 312849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateReplacement(Next.getLocation(), "::"); 313b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor 314b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // Recover as if the user wrote '::'. 315b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Next.setKind(tok::coloncolon); 316b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor } 31746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 31846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 3195c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 32077549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 32123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor !Actions.isNonTypeNestedNameSpecifier(getCurScope(), SS, Tok.getLocation(), 32277549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 323d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 3249ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 325d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 326d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 3275c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 3285c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 3295c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 33046646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 33146646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 3325c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 3331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3342e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor HasScopeSpecifier = true; 3352e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), II, IdLoc, CCLoc, 3362e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor ObjectType, EnteringContext, SS)) 3372e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor SS.SetInvalid(SourceRange(IdLoc, CCLoc)); 3382e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor 3395c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 3405c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for '<::' which should be '< ::' instead of '[:' when following 343ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // a template name. 344ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Next.is(tok::l_square) && Next.getLength() == 2) { 345ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token SecondToken = GetLookAheadToken(2); 346ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (SecondToken.is(tok::colon) && 347ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Next, SecondToken)) { 348ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateTy Template; 349ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith UnqualifiedId TemplateName; 350ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName.setIdentifier(&II, Tok.getLocation()); 351ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith bool MemberOfUnknownSpecialization; 352ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Actions.isTemplateName(getCurScope(), SS, 353ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*hasTemplateKeyword=*/false, 354ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName, 355ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ObjectType, 356ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith EnteringContext, 357ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Template, 358ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith MemberOfUnknownSpecialization)) { 359ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Next, SecondToken, tok::kw_template, 360ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*AtDigraph*/false); 361ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 362ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 363ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 364ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 3655c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 3665c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 3675c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 3685c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 369014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 370014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 3711fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 37223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(getCurScope(), SS, 3737c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara /*hasTemplateKeyword=*/false, 374014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 3752dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 376495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 3771fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Template, 3781fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization)) { 3795c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 3805c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 3815c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3825c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3835c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3845c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 385ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 386059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 387ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 3889ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 3895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 390d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor } 391d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 392d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (MemberOfUnknownSpecialization && (ObjectType || SS.isSet()) && 3934147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet (IsTypename || IsTemplateArgumentList(1))) { 394d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // We have something like t::getAs<T>, where getAs is a 395d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // member of an unknown specialization. However, this will only 396d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 397d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // before 'getAs' and treat this as a dependent template name. 3984147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet unsigned DiagID = diag::err_missing_dependent_template_keyword; 3994147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet if (getLang().Microsoft) 400cf320c6388c90f1938c264e87d77a0e43946e2c3Francois Pichet DiagID = diag::warn_missing_dependent_template_keyword; 4014147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet 4024147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet Diag(Tok.getLocation(), DiagID) 403d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << II.getName() 404d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << FixItHint::CreateInsertion(Tok.getLocation(), "template "); 405d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 406d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TemplateNameKind TNK 40723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnDependentTemplateName(getCurScope(), 408d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Tok.getLocation(), SS, 409d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 410d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template)) { 411d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor // Consume the identifier. 412d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ConsumeToken(); 413059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 414d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SourceLocation(), false)) 415d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 416d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } 417d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor else 418d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor return true; 419d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor 420d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor continue; 4215c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4225c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4235c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 42439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 42539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 42639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 42739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 430d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 431d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 432d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 433d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 434d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 4359ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 436eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 437eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 438eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 439eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 440eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 441eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 442eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 443eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 444eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 445eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 446eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 447eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 448edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 449eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 450eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 451eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 452eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 453eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 454eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 455eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 456eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 457eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 458eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 459eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 460eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 461eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 462eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 463eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 464eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 465eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 466eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 467eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 468eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 469eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 470eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 471eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 472eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 473eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 474eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 475ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 476ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 477ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 478ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 479ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 48060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 481eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 482eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 483eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 484eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 485eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 486b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 48702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 48802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 48902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 49002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 49102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 49202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 493b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ObjectType=*/ ParsedType(), 49402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 49502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 496b681b61fea36618778b8030360e90e3f4641233bJohn McCall 497b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 498b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 4999c72c6088d591ace8503b842d39448c2040f3033John McCall if (isAddressOfOperand && isPostfixExpressionSuffixStart()) 5009c72c6088d591ace8503b842d39448c2040f3033John McCall isAddressOfOperand = false; 50102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 50223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnIdExpression(getCurScope(), SS, Name, Tok.is(tok::l_paren), 50302a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 50402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 505eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 506eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 51660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXCasts() { 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 531ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for "<::" which is parsed as "[:". If found, fix token stream, 532ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // diagnose error, suggest fix, and recover parsing. 533ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token Next = NextToken(); 534ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Tok.is(tok::l_square) && Tok.getLength() == 2 && Next.is(tok::colon) && 535ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Tok, Next)) 536ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Tok, Next, Kind, /*AtDigraph*/true); 537ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 53920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 54131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis // Parse the common declaration-specifiers piece. 54231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis DeclSpec DS(AttrFactory); 54331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 54431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 54531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis // Parse the abstract-declarator, if present. 54631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 54731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 54831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5511ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 55220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 55721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 56227591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (!Result.isInvalid() && !DeclaratorInfo.isInvalidType()) 56549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 56631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis LAngleBracketLoc, DeclaratorInfo, 567809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 5689ae2f076ca5ab1feb3ba95629099ec2319833701John McCall LParenLoc, Result.take(), RParenLoc); 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 57020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 573c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 574c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 575c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 576c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 577c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 578c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 57960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXTypeid() { 580c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 581c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 582c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 583c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 584c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 585c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 586c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 587c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 588c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 58920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 590c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 59160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result; 592c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 593c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 594809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 595c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 596c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5974eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 598c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 5994eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (Ty.isInvalid() || RParenLoc.isInvalid()) 60020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 601c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 602c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 603b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.get().getAsOpaquePtr(), RParenLoc); 604c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 605e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 608e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 609e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 611e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 612ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 613ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 614f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyPotentiallyEvaluated); 615c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 616c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 617c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 6180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 619c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 620c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 6214eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 6224eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (RParenLoc.isInvalid()) 6234eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor return ExprError(); 624fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor 625fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor // If we are a foo<int> that identifies a single function, resolve it now... 626fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Expr* e = Result.get(); 627fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (e->getType() == Actions.Context.OverloadTy) { 628fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor ExprResult er = 629fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Actions.ResolveAndFixSingleFunctionTemplateSpecialization(e); 630fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (er.isUsable()) 631fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Result = er.release(); 632fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor } 633c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 634effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 635c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 636c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 637c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 63820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 639c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 640c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 64101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// ParseCXXUuidof - This handles the Microsoft C++ __uuidof expression. 64201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 64301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' expression ')' 64401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' type-id ')' 64501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 64601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois PichetExprResult Parser::ParseCXXUuidof() { 64701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(Tok.is(tok::kw___uuidof) && "Not '__uuidof'!"); 64801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 64901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation OpLoc = ConsumeToken(); 65001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation LParenLoc = Tok.getLocation(); 65101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation RParenLoc; 65201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // __uuidof expressions are always parenthesized. 65401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 65501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet "__uuidof")) 65601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 65701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet ExprResult Result; 65901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isTypeIdInParens()) { 66101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeResult Ty = ParseTypeName(); 66201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 66401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 66501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Ty.isInvalid()) 66701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 66801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/true, 67001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Ty.get().getAsOpaquePtr(), RParenLoc); 67101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } else { 67201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 67301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = ParseExpression(); 67401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 67501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 67601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Result.isInvalid()) 67701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SkipUntil(tok::r_paren); 67801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else { 67901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 68001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 68101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/false, 68201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result.release(), RParenLoc); 68301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 68401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 68501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 68601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return move(Result); 68701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet} 68801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 689d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 690d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 691d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 692d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 693d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 694d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 695d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 696d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 697d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 698d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 699d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 700d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 701d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 702d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 70360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 704d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 705d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 706d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 707b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType) { 708d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 709d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 710d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 711d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 712d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 713d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 714d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 715d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 716d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 717d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 718d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 719d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 720d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 721d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 722d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 723d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 724d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 725d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 726d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 727d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 728d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 729d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 730d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 731d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 732d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 733d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 734d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 735d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 736d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 737d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 738d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 739d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 740d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 741d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 742d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 743d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 744d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 745d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 746d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 747d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 748d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 749d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 750d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 7510278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true, 7520278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor /*TemplateKWLoc*/SourceLocation())) 753d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 754d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7559ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnPseudoDestructorExpr(getCurScope(), Base, 7569ae2f076ca5ab1feb3ba95629099ec2319833701John McCall OpLoc, OpKind, 757d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 758d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 759d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 760d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 761d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 76760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXBoolLiteral() { 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 769f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 77150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 77250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 77350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 77450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 77550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 77660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseThrowExpression() { 77750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 77850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 77920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 7802a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 7812a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 7822a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 7832a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 7842a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 7852a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 7862a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 7872a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 7882a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 7892a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 790bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor return Actions.ActOnCXXThrow(getCurScope(), ThrowLoc, 0); 79150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 7922a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 79360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Expr(ParseAssignmentExpression()); 79420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 795bca01b46850f867b2f4137f25c882022b58f8471Douglas Gregor return Actions.ActOnCXXThrow(getCurScope(), ThrowLoc, Expr.take()); 7962a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 79750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 7984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7994cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 8004cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 8014cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 8024cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 8034cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 80460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXThis() { 8054cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 8064cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 807f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 8084cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 809987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 810987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 811987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 812987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 813987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 814dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// See [C++ 5.2.3]. 815987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 816987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 817dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// simple-type-specifier '(' expression-list[opt] ')' 818dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] simple-type-specifier braced-init-list 819dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// typename-specifier '(' expression-list[opt] ')' 820dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] typename-specifier braced-init-list 821987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 82260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 82320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 824987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 825b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeRep = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo).get(); 826987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 827dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl assert((Tok.is(tok::l_paren) || 828dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl (getLang().CPlusPlus0x && Tok.is(tok::l_brace))) 829dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl && "Expected '(' or '{'!"); 830bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor 831dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.is(tok::l_brace)) { 832987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 833dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // FIXME: Convert to a proper type construct expression. 834dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return ParseBraceInitializer(); 835987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 836dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else { 837dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl GreaterThanIsOperatorScope G(GreaterThanIsOperator, true); 838dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 839dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation LParenLoc = ConsumeParen(); 840dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 841dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ExprVector Exprs(Actions); 842dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl CommaLocsTy CommaLocs; 843dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl 844dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (Tok.isNot(tok::r_paren)) { 845dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (ParseExpressionList(Exprs, CommaLocs)) { 846dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SkipUntil(tok::r_paren); 847dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return ExprError(); 848dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 849987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 850987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 851dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // Match the ')'. 852dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 853987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 854dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // TypeRep could be null, if it references an invalid typedef. 855dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl if (!TypeRep) 856dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return ExprError(); 857ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 858dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 859dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl "Unexpected number of commas!"); 860dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl return Actions.ActOnCXXTypeConstructExpr(TypeRep, LParenLoc, move_arg(Exprs), 861dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl RParenLoc); 862dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } 863987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 864987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 86599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 86671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 86771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 86871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 86971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 87071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 87171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 87271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 87399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 87499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 87599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 87699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 87799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 87899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 879586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param Loc The location of the start of the statement that requires this 880586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// condition, e.g., the "for" in a for loop. 881586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 882586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param ConvertToBoolean Whether the condition expression should be 883586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// converted to a boolean value. 884586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 88599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 88660d7b3a319d84d688752be3870615ac0f111fb16John McCallbool Parser::ParseCXXCondition(ExprResult &ExprOut, 88760d7b3a319d84d688752be3870615ac0f111fb16John McCall Decl *&DeclOut, 888586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, 889586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor bool ConvertToBoolean) { 89001dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 891f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Condition); 892dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 89301dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 89401dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 89599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 896586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // Parse the expression. 89760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ParseExpression(); // expression 89860d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = 0; 89960d7b3a319d84d688752be3870615ac0f111fb16John McCall if (ExprOut.isInvalid()) 900586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor return true; 901586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 902586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // If required, convert to a boolean value. 903586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor if (ConvertToBoolean) 90460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut 90560d7b3a319d84d688752be3870615ac0f111fb16John McCall = Actions.ActOnBooleanCondition(getCurScope(), Loc, ExprOut.get()); 90660d7b3a319d84d688752be3870615ac0f111fb16John McCall return ExprOut.isInvalid(); 90799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 90871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 90971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 9100b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 91171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 91271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 91371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 91471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 91571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 91671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 91771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 91871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 919ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 92060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 9210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 92271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 92399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 92471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 925effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 926ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 92771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 92871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 92971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 9307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 93171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 93299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 93360d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(getCurScope(), 9347f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DeclaratorInfo); 93560d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = Dcl.get(); 93660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ExprError(); 937a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 93871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 939a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis if (isTokenEqualOrMistypedEqualEqual( 940a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis diag::err_invalid_equalequal_after_declarator)) { 941dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); 94260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssignExpr(ParseAssignmentExpression()); 94399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 94434b41d939a1328f484511c6002ba2456db879a29Richard Smith Actions.AddInitializerToDecl(DeclOut, AssignExpr.take(), false, 94534b41d939a1328f484511c6002ba2456db879a29Richard Smith DS.getTypeSpecType() == DeclSpec::TST_auto); 94699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 94799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 94899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 94999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 95099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 951586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // FIXME: Build a reference to this declaration? Convert it to bool? 952586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // (This is currently handled by Sema). 953483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 954483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Actions.FinalizeDeclaration(DeclOut); 955586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 95699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 95771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 95871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 9596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brief Determine whether the current token starts a C++ 9606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier. 9616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::isCXXSimpleTypeSpecifier() const { 9626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor switch (Tok.getKind()) { 9636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::annot_typename: 9646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_short: 9656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_long: 966338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet case tok::kw___int64: 9676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_signed: 9686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_unsigned: 9696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_void: 9706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char: 9716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_int: 9726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_float: 9736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_double: 9746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_wchar_t: 9756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char16_t: 9766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char32_t: 9776aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_bool: 978d9d75e57dfa22366c0379c92beac1db82db34e9aDouglas Gregor case tok::kw_decltype: 9796aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_typeof: 980db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt case tok::kw___underlying_type: 9816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 9826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor default: 9846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor break; 9856aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 9866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 9886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 9896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 990987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 991987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 992987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 993987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 994987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 995eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 996987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 997987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 998987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 999987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 1000987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 1001987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 1002987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 1003987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 1004987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 1005987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 1006987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 1007987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 1008987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 1009987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 1010987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1011987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 1012987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 1013987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 1014987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 1015987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 1016987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 1017987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 1018987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 1019fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 1020987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1022987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 102355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 102455a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 102555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 1027987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 1028987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 102955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 1030987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 1031b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 10326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (getTypeAnnotation(Tok)) 10336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 10346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTypeAnnotation(Tok)); 10356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor else 10366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecError(); 10379bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10389bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 10399bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ConsumeToken(); 10409bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10419bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' 10429bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an 10439bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C interface. If we don't have Objective-C or a '<', this is 10449bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // just a normal reference to a typedef name. 10459bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (Tok.is(tok::less) && getLang().ObjC1) 10469bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ParseObjCProtocolQualifiers(DS); 10479bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10489bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.Finish(Diags, PP); 10499bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor return; 1050987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1052987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 1053987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 1054fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 1055987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1056987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 1057fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 1058338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet break; 1059338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet case tok::kw___int64: 1060338d7f7362d18fa9c39c6bb5282b4e20574a9309Francois Pichet DS.SetTypeSpecWidth(DeclSpec::TSW_longlong, Loc, PrevSpec, DiagID); 1061987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1062987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 1063fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 1064987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1065987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 1066fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 1067987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1068987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 1069fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 1070987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1071987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 1072fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 1073987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1074987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 1075fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 1076987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1077987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 1078fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 1079987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1080987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 1081fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 1082987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1083987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 1084fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 1085987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1086f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 1087fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 1088f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1089f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 1090fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 1091f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1092987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 1093fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 1094987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 1097987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 1098987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 1099987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 11009b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1101987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 1102987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1103b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 1104eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 1105eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 1106eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 1107987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 11089b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1109987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 11101cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 11112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 11122f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 11132f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 11142f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 11152f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 11162f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 11172f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 11182f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 11192f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 11202f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 11212f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 11222f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 11232f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 11242f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 1125fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 1126fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 11272f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11282f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 1129d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1130d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 11319fa8e569407e02148888136609431a3fe083096dNick Lewycky Diag(Tok, diag::err_expected_type); 11322f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 11332f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1135d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1136d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 1137d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 11382f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 1139396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 11402f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 11412f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 11422f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 11443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 11453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 11483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 11493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 11503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 11533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 11543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 11563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 11573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 11593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 11603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 11623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 11633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 116446df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 116546df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 116646df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 11673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 11683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 11693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 11703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1171d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 1172d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 1173d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 11743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 11753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 11763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 11773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 11783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 1179b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1180d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 11810278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool AssumeTemplateId, 11820278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc) { 11830278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor assert((AssumeTemplateId || Tok.is(tok::less)) && 11840278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor "Expected '<' to finish parsing a template-id"); 11853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 11873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 11883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 11893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 1190014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 1191e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 1192d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 119323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1194d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Id, ObjectType, EnteringContext, 1195d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template); 1196d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 1197d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 11981fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } else { 11991fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 12007c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, 12017c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateKWLoc.isValid(), Id, 12027c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara ObjectType, EnteringContext, Template, 12031fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12041fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor 12051fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (TNK == TNK_Non_template && MemberOfUnknownSpecialization && 12061fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor ObjectType && IsTemplateArgumentList()) { 12071fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // We have something like t->getAs<T>(), where getAs is a 12081fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // member of an unknown specialization. However, this will only 12091fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 12101fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // before 'getAs' and treat this as a dependent template name. 12111fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor std::string Name; 12121fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) 12131fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = Id.Identifier->getName(); 12141fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else { 12151fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = "operator "; 12161fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) 12171fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += getOperatorSpelling(Id.OperatorFunctionId.Operator); 12181fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else 12191fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += Id.Identifier->getName(); 12201fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12211fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Diag(Id.StartLocation, diag::err_missing_dependent_template_keyword) 12221fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << Name 12231fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << FixItHint::CreateInsertion(Id.StartLocation, "template "); 122423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, 1225d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, Id, ObjectType, 1226d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1227d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12281fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor return true; 12291fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12301fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 12323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1233014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 1234014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12351fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1236014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12377c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12387c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12391fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12401fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1242014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1244014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 1245014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12461fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1247014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12482d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 124923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1250d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 1251d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1252d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12532d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12542d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 12557c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12567c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12571fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12581fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12592d1c21414199a7452f122598189363a3922605b1Douglas Gregor 1260b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (TNK == TNK_Non_template && !Id.DestructorName.get()) { 1261124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 1262124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 12632d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12642d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12652d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1267014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 12703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 12743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 12773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 12783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 12790278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (Tok.is(tok::less) && 12800278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 1281059101f922de6eb765601459925f4c8914420b23Douglas Gregor SS, true, LAngleLoc, 12823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 12833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 12843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 1287e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1288e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 12893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 12933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 12953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1296014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 12973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 12983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1299014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1300014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1301014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 13023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1304059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS = SS; 13052b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template = Template; 13063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 13073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 13083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1309314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 13103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1311314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 13123f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 13133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 13153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 13173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 13193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 13203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 13213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 1323f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Type 1324059101f922de6eb765601459925f4c8914420b23Douglas Gregor = Actions.ActOnTemplateIdType(SS, Template, NameLoc, 13253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 13263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 13273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 13283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 13313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 13323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 13333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 13343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 13373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1338ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1339ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 13403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1341ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1342ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 13433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1344ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 13453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 13463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 13473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1348ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 13493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 13503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 13513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 13523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 13533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 13543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 13553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 13573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 13583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 13603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 13613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 13633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 13643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 13653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 13673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 13683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 13703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 13713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1372ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1373ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1374ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1375ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1376ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1377ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1378ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1379b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1380ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1381ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1382ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1383ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1384ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1385ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1386ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1387ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1388ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1389ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1390ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1391ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1392ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1393ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1394ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1395ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1396ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1397ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1398ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1399ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1400ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1401ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1402ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1403ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1404ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1405ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1406ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1407ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1408ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1409ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1410ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1411ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1412ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1413ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1414ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1415ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1416ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1417ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1418ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1419ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1420ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1421ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1422ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1423ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1424ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1425ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1426ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1427ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1428ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1429ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1430ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1431ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1432ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1433ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1434ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1435ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1436ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1437ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1438ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1439ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1440ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1441ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1442ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1443ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1444ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1445ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1446ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1447ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1448ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1449ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1450ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1451ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1452ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1453ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 145423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOperatorName(getCurScope()); 1455ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1456ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1457dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1458ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1459ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1460ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1461ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1462ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1463ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1464ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1465ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1466ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1467ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1468ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1469ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1470ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1471ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 14720486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14730486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 14740486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 14750486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 14760486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 14770486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14780486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 14790486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 14800486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 14810486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 14820486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14830486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 14840486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 14850486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 14860486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 14870486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14880486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 14890486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 14903e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 14910486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1492ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1493ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1494ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1495ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1496ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1497ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1498ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1499ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1500ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1501ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1502ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1503ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1504ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 15050b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1506f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1507ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1508ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1509ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1510ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1511ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1512ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1513ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1514ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1515f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Ty = Actions.ActOnTypeName(getCurScope(), D); 1516ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1517ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1518ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1519ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1520ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1521ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1522ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1523ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1524ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1525ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1526ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1527ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1528ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1529ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1530ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1531ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1532ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1533ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1534ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1535ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1536ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1537ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1538ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1539ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1540ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1541ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1542ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1543ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1544ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 15453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 15463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 15483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 154946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 155046df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 155146df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 15523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 15533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 15553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 15563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 15573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 1558b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 15593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 15600278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15610278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // Handle 'A::template B'. This is for template-ids which have not 15620278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // already been annotated by ParseOptionalCXXScopeSpecifier(). 15630278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool TemplateSpecified = false; 15640278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc; 15650278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (getLang().CPlusPlus && Tok.is(tok::kw_template) && 15660278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (ObjectType || SS.isSet())) { 15670278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified = true; 15680278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateKWLoc = ConsumeToken(); 15690278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor } 15700278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 15723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 15733f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 15743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 15753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 15763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 15773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 15783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1579b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1580b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1581b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1582b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1583b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1584b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1585b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 15863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 158723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*Id, getCurScope(), &SS)) { 15883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 158923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, getCurScope(), 15909e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 15919e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 15929e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true), 15933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 15943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 15953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 15963f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 15973f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 16000278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) 16013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 16020278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ObjectType, Result, 16030278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 16093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 16103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 161125a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 16120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16130efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 16140efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 161523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, getCurScope(), &SS)) { 16160efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 16170efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 16180efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 16190efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 16200efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 16210efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 16220efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 16230efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 1624849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval( 16250efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 16260efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 16270efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 162823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope(), 16299e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 16309e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 16319e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NontrivialTypeSourceInfo=*/true), 16320efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 16330efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 16340efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16350efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16360efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16370efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16380efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 16390efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16400efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16410efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16420efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 16443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 16450efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 16463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 16473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 16513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 16523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 16533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1654ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 16553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1657e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1658e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1659ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1660ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1661ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1662e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1663e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 16640278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (TemplateSpecified || Tok.is(tok::less))) 1665ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1666ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 16670278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Result, 16680278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1673b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1674b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 16753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 16763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 16773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 16783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 16793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 16813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 16823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 16843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1685124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 16863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 16903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 16913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 16923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16930278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) { 1694b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result.setDestructorName(TildeLoc, ParsedType(), ClassNameLoc); 16952d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 16960278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor EnteringContext, ObjectType, Result, 16970278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16982d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 16992d1c21414199a7452f122598189363a3922605b1Douglas Gregor 17003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1701b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1702b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ClassNameLoc, getCurScope(), 1703b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SS, ObjectType, 1704b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall EnteringContext); 1705124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 17063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1707124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 17083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 17093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 17103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 17113f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 17122d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 17132d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 17143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 17153f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 17163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 17174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 17184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 17191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 172059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 172159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 172259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 17234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 17244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 17254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 17264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 17284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 17304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 17314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 17324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1733cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1734cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1735893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor/// [GNU] attributes type-specifier-seq new-declarator[opt] 1736cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1737cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1738cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1739cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1740cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 17414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 17424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 1743dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl/// [C++0x] braced-init-list 17444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 174560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 174659232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 174759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 174859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 17494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 17514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 17524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1753a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 17544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 17554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17564bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 17570b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 17580b8c98f3ddf83adcb9e9d98b68ce38e970cdee73Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::CXXNewContext); 17594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 17614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1762cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1763cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 176420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1765cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17664c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1768cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1769cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 177020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1771cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1773cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 17744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 17754bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens = SourceRange(PlacementLParen, PlacementRParen); 17764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 17774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 17784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 17794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17804bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setBegin(ConsumeParen()); 1781893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1782cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1783ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1784cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 17854bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setEnd(MatchRHSPunctuation(tok::r_paren, 17864bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.getBegin())); 17874c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1788893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1789cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1790cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1791ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1792ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1793cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1794cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1795ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 17964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1799cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1800cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1801893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1802cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1803cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1804ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1805ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1806cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1807cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1808ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 18094c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1810eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1811cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 181220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1813cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1815a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 18164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 18174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 18194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 18204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 18214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1822cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1823cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 182420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1825cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1828cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1829cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 183020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1831cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 1832dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl } else if (Tok.is(tok::l_brace)) { 1833dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl // FIXME: Have to communicate the init-list to ActOnCXXNew. 1834dbef1bb8a8118b7b73e184e08fccfe0eaf914ddaSebastian Redl ParseBraceInitializer(); 18354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1837f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1838f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 18394bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens, DeclaratorInfo, ConstructorLParen, 1840f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 18414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 18444c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 18454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 18474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 18484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 18494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 185059232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 18514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 18524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 18534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 18544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 185560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Size(first ? ParseExpression() 18562f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 18570e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 18584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 18594c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 18604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18614c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 18634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1864ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 18650b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 18660b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 18670b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall D.AddTypeInfo(DeclaratorChunk::getArray(0, 18687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall /*static=*/false, /*star=*/false, 18697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 18700b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs, RLoc); 18714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1872ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 18734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 18784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 18794c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18804c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 18814c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 18824c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 18834c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 18854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 18864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1887ca0408fb49c1370430672acf2d770b7151cf71deJohn McCallbool Parser::ParseExpressionListOrTypeId( 1888ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVectorImpl<Expr*> &PlacementArgs, 188959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 18904c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 18914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1892cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1893ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1894cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1895eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 18964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 18994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 19004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 19014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 19024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 19034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 19054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 19064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 190759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 190859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 190959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 191059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 191159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 19124c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 19134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 19144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 191560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 191659232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 191759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 191859232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 19194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 19214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 19224c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 19234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 19244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 19254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 19264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 192720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 19284c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 19294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 193060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Operand(ParseCastExpression(false)); 19310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 193220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 19334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19349ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, Operand.take()); 19354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 193664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 193864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 193920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley default: assert(false && "Not a known unary type trait."); 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 194164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 194220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 194364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 1944023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt case tok::kw___has_trivial_constructor: 1945023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt return UTT_HasTrivialDefaultConstructor; 194620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 194764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 194864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 194964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 195020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_arithmetic: return UTT_IsArithmetic; 195120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_array: return UTT_IsArray; 195264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 195320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_complete_type: return UTT_IsCompleteType; 195420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_compound: return UTT_IsCompound; 195520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_const: return UTT_IsConst; 195664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 195764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 195820c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_floating_point: return UTT_IsFloatingPoint; 195920c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_function: return UTT_IsFunction; 196020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_fundamental: return UTT_IsFundamental; 196120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_integral: return UTT_IsIntegral; 196220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_lvalue_reference: return UTT_IsLvalueReference; 196320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_function_pointer: return UTT_IsMemberFunctionPointer; 196420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_object_pointer: return UTT_IsMemberObjectPointer; 196520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_member_pointer: return UTT_IsMemberPointer; 196620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_object: return UTT_IsObject; 19674e61ddd644e9c6293697a966d98d7c1905cf63a8Chandler Carruth case tok::kw___is_literal: return UTT_IsLiteral; 19683840281126e7d10552c55f6fd8b1ec9483898906Chandler Carruth case tok::kw___is_literal_type: return UTT_IsLiteral; 196964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 197020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_pointer: return UTT_IsPointer; 197164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 197220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_reference: return UTT_IsReference; 197320c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_rvalue_reference: return UTT_IsRvalueReference; 197420c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_scalar: return UTT_IsScalar; 197520c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_signed: return UTT_IsSigned; 197620c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_standard_layout: return UTT_IsStandardLayout; 197720c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_trivial: return UTT_IsTrivial; 1978feb375d31b7e9108b04a9f55b721d5e0c793a558Sean Hunt case tok::kw___is_trivially_copyable: return UTT_IsTriviallyCopyable; 197964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 198020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_unsigned: return UTT_IsUnsigned; 198120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_void: return UTT_IsVoid; 198220c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_volatile: return UTT_IsVolatile; 198364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetstatic BinaryTypeTrait BinaryTypeTraitFromTokKind(tok::TokenKind kind) { 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet switch(kind) { 198838c2b730a8553fa1cf369d0c5567f8b5d0a3dda8Francois Pichet default: llvm_unreachable("Not a known binary type trait"); 1989f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___is_base_of: return BTT_IsBaseOf; 199020c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_convertible: return BTT_IsConvertible; 199120c0da7787c9a7d2529e42a4a91d777778595d74John Wiegley case tok::kw___is_same: return BTT_IsSame; 1992f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___builtin_types_compatible_p: return BTT_TypeCompatible; 19939f3611365d0f2297a910cf246e056708726ed10aDouglas Gregor case tok::kw___is_convertible_to: return BTT_IsConvertibleTo; 19946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 199564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 199664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 199721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegleystatic ArrayTypeTrait ArrayTypeTraitFromTokKind(tok::TokenKind kind) { 199821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley switch(kind) { 199921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley default: llvm_unreachable("Not a known binary type trait"); 200021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case tok::kw___array_rank: return ATT_ArrayRank; 200121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case tok::kw___array_extent: return ATT_ArrayExtent; 200221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 200321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley} 200421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 2005552622067dc45013d240f73952fece703f5e63bdJohn Wiegleystatic ExpressionTrait ExpressionTraitFromTokKind(tok::TokenKind kind) { 2006552622067dc45013d240f73952fece703f5e63bdJohn Wiegley switch(kind) { 2007552622067dc45013d240f73952fece703f5e63bdJohn Wiegley default: assert(false && "Not a known unary expression trait."); 2008552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case tok::kw___is_lvalue_expr: return ET_IsLValueExpr; 2009552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case tok::kw___is_rvalue_expr: return ET_IsRValueExpr; 2010552622067dc45013d240f73952fece703f5e63bdJohn Wiegley } 2011552622067dc45013d240f73952fece703f5e63bdJohn Wiegley} 2012552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 201364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 201464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 201564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 201664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 201764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 201864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 201964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 202060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseUnaryTypeTrait() { 202164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 202264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 202364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 202464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 202564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 202664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 202764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 202864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 202964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 203064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 2031809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 203264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 203364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 203464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 2035809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2036809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2037809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 20383d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, Ty.get(), RParen); 203964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 2040f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 20416ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// ParseBinaryTypeTrait - Parse the built-in binary type-trait 20426ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// pseudo-functions that allow implementation of the TR1/C++0x type traits 20436ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// templates. 20446ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 20456ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// primary-expression: 20466ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// [GNU] binary-type-trait '(' type-id ',' type-id ')' 20476ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 20486ad6f2848d7652ab2991286eb48be440d3493b28Francois PichetExprResult Parser::ParseBinaryTypeTrait() { 20496ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait BTT = BinaryTypeTraitFromTokKind(Tok.getKind()); 20506ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc = ConsumeToken(); 20516ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20526ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation LParen = Tok.getLocation(); 20536ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 20546ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20556ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20566ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult LhsTy = ParseTypeName(); 20576ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (LhsTy.isInvalid()) { 20586ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20596ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20606ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20616ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20626ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) { 20636ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20646ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20656ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20666ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20676ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult RhsTy = ParseTypeName(); 20686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (RhsTy.isInvalid()) { 20696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 20706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 20716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 20726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 20746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20756ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return Actions.ActOnBinaryTypeTrait(BTT, Loc, LhsTy.get(), RhsTy.get(), RParen); 20766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 20776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 207821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// ParseArrayTypeTrait - Parse the built-in array type-trait 207921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// pseudo-functions. 208021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// 208121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// primary-expression: 208221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// [Embarcadero] '__array_rank' '(' type-id ')' 208321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// [Embarcadero] '__array_extent' '(' type-id ',' expression ')' 208421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley/// 208521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John WiegleyExprResult Parser::ParseArrayTypeTrait() { 208621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ArrayTypeTrait ATT = ArrayTypeTraitFromTokKind(Tok.getKind()); 208721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation Loc = ConsumeToken(); 208821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 208921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation LParen = Tok.getLocation(); 209021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 209121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 209221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 209321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley TypeResult Ty = ParseTypeName(); 209421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (Ty.isInvalid()) { 209521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::comma); 209621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::r_paren); 209721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 209821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 209921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 210021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley switch (ATT) { 210121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case ATT_ArrayRank: { 210221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 210321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return Actions.ActOnArrayTypeTrait(ATT, Loc, Ty.get(), NULL, RParen); 210421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 210521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case ATT_ArrayExtent: { 210621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) { 210721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SkipUntil(tok::r_paren); 210821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 210921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 211021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley ExprResult DimExpr = ParseExpression(); 211221ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 211321ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 211421ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return Actions.ActOnArrayTypeTrait(ATT, Loc, Ty.get(), DimExpr.get(), RParen); 211521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 211621ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley default: 211721ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley break; 211821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley } 211921ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley return ExprError(); 212021ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley} 212121ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley 2122552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// ParseExpressionTrait - Parse built-in expression-trait 2123552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// pseudo-functions like __is_lvalue_expr( xxx ). 2124552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// 2125552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// primary-expression: 2126552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// [Embarcadero] expression-trait '(' expression ')' 2127552622067dc45013d240f73952fece703f5e63bdJohn Wiegley/// 2128552622067dc45013d240f73952fece703f5e63bdJohn WiegleyExprResult Parser::ParseExpressionTrait() { 2129552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExpressionTrait ET = ExpressionTraitFromTokKind(Tok.getKind()); 2130552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation Loc = ConsumeToken(); 2131552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2132552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation LParen = Tok.getLocation(); 2133552622067dc45013d240f73952fece703f5e63bdJohn Wiegley if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 2134552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return ExprError(); 2135552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2136552622067dc45013d240f73952fece703f5e63bdJohn Wiegley ExprResult Expr = ParseExpression(); 2137552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2138552622067dc45013d240f73952fece703f5e63bdJohn Wiegley SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 2139552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2140552622067dc45013d240f73952fece703f5e63bdJohn Wiegley return Actions.ActOnExpressionTrait(ET, Loc, Expr.get(), RParen); 2141552622067dc45013d240f73952fece703f5e63bdJohn Wiegley} 2142552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2143552622067dc45013d240f73952fece703f5e63bdJohn Wiegley 2144f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 2145f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 2146f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 214760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2148f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 2149b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 2150f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 2151f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 2152f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 2153f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 2154f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 2155f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 215660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(true); 2157b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall CastTy = ParsedType(); 2158f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2159f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 2160f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2161f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 2162f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 2163f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 2164f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 2165f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2166f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 2167f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 2168f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 2169f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2170f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 2171a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 2172f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 2173f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 2174f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 2175f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 2176f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 2177f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 21781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 2179f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 2180f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2181f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 2182f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 218314b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, Toks)) { 2184f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 2185f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2186f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2187f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2188f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2189f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 2190f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 2191f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 2192f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 2193b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 2194b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 2195b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 2196b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 2197b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 2198b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 2199b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 2200b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 2201b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 2202b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall NotCastExpr, 22030a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis // type-id has priority. 22040a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis true/*isTypeCast*/); 2205b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 2206f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2207f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 2208f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 2209f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 2210f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2211f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 22121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 2213f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 2214f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 2215f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 2216f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 2217f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 2218f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 2219f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 2220f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 2221f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2222f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 22230a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis // Parse the type declarator. 22240a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis DeclSpec DS(AttrFactory); 22250a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 22260a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 22270a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 2228f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2229f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 2230f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2231f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 2232f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 2233f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2234f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2235f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 2236f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 22370a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 2238f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 2239f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 22401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2241f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 2242f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 2243f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 22440a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis if (DeclaratorInfo.isInvalidType()) 2245f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 2246f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2247f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 2248f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 22490a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis Result = Actions.ActOnCastExpr(getCurScope(), LParenLoc, 22500a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis DeclaratorInfo, CastTy, 22510a85183be6930571f3af8e5a976d24c3f95e5b25Argyrios Kyrtzidis RParenLoc, Result.take()); 2252f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2253f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2255f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 2256f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 2257f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2258f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 2259f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 2260f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 22619ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), Result.take()); 2262f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2263f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 2264f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 2265f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 2266f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2267f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 22681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2269f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2270f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 2271f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 2272f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2273f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2274f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2275f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 2276