ParseExprCXX.cpp revision cf320c6388c90f1938c264e87d77a0e43946e2c3
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); 164dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 16581b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 1662dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor } 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier: 16977cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // nested-name-specifier 'template'[opt] simple-template-id '::' 17077cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner 17177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // Parse the optional 'template' keyword, then make sure we have 17277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner // 'identifier <' after it. 17377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner if (Tok.is(tok::kw_template)) { 1742dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor // If we don't have a scope specifier or an object type, this isn't a 175eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // nested-name-specifier, since they aren't allowed to start with 176eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman // 'template'. 1772dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor if (!HasScopeSpecifier && !ObjectType) 178eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman break; 179eab975dce83fcf6a7fa8fc9379944d4b1aaf1a00Eli Friedman 1807bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TentativeParsingAction TPA(*this); 18177cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner SourceLocation TemplateKWLoc = ConsumeToken(); 182ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 183ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId TemplateName; 184ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::identifier)) { 185ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1867bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 187ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 188ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else if (Tok.is(tok::kw_operator)) { 189ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, 1907bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TemplateName)) { 1917bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 192ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1937bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 194ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 195e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if (TemplateName.getKind() != UnqualifiedId::IK_OperatorFunctionId && 196e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt TemplateName.getKind() != UnqualifiedId::IK_LiteralOperatorId) { 197ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Diag(TemplateName.getSourceRange().getBegin(), 198ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor diag::err_id_after_template_in_nested_name_spec) 199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor << TemplateName.getSourceRange(); 2007bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 201ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 2047bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 20577cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner break; 20677cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2087bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // If the next token is not '<', we have a qualified-id that refers 2097bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // to a template name, such as T::template apply, but is not a 2107bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // template-id. 2117bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor if (Tok.isNot(tok::less)) { 2127bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Revert(); 2137bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor break; 2147bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor } 2157bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor 2167bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor // Commit to parsing the template-id. 2177bb87fca7d22a8a194d04188746b90f46512975fDouglas Gregor TPA.Commit(); 218d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateTy Template; 21923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.ActOnDependentTemplateName(getCurScope(), 220d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, 221d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, 222d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, 223d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ObjectType, 224d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, 225d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template)) { 226059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 227d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateKWLoc, false)) 228d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 229d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } else 2309ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23277cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner continue; 23377cf72a95baa18e82737bb45131e9658a00fee16Chris Lattner } 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) { 2361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We have 23739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 23839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // simple-template-id '::' 23939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // 24039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // So we need to check whether the simple-template-id is of the 241c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // right kind (it should name a type or be dependent), and then 242c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor // convert it into a type within the nested-name-specifier. 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 24439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 245d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde)) { 246d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 2479ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 248d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 249d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 2506cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor // Consume the template-id token. 2516cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ConsumeToken(); 2526cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2536cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor assert(Tok.is(tok::coloncolon) && "NextToken() not working properly!"); 2546cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation CCLoc = ConsumeToken(); 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2566cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (!HasScopeSpecifier) 2576cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor HasScopeSpecifier = true; 2586cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2596cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, 2606cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->getTemplateArgs(), 2616cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->NumArgs); 2626cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2636cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), 2646cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor /*FIXME:*/SourceLocation(), 2656cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS, 2666cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->Template, 2676cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->TemplateNameLoc, 2686cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->LAngleLoc, 2696cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateArgsPtr, 2706cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->RAngleLoc, 2716cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor CCLoc, 2726cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor EnteringContext)) { 2736cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SourceLocation StartLoc 2746cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor = SS.getBeginLoc().isValid()? SS.getBeginLoc() 2756cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor : TemplateId->TemplateNameLoc; 2766cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor SS.SetInvalid(SourceRange(StartLoc, CCLoc)); 27767b9e831943300ce54e564e601971828ce4def15Chris Lattner } 2786cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor 2796cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor TemplateId->Destroy(); 2806cd9d4aa13c2145c8b4398453974515b734bfe42Douglas Gregor continue; 28139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 28239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 2835c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2845c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // The rest of the nested-name-specifier possibilities start with 2855c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // tok::identifier. 2865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Tok.isNot(tok::identifier)) 2875c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner break; 2885c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2895c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner IdentifierInfo &II = *Tok.getIdentifierInfo(); 2905c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 2915c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 2925c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '::' 2935c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // namespace-name '::' 2945c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier identifier '::' 2955c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner Token Next = NextToken(); 29646646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 29746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // If we get foo:bar, this is almost certainly a typo for foo::bar. Recover 29846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner // and emit a fixit hint for it. 299b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor if (Next.is(tok::colon) && !ColonIsSacred) { 3002e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.IsInvalidUnlessNestedName(getCurScope(), SS, II, 3012e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Tok.getLocation(), 3022e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor Next.getLocation(), ObjectType, 303b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor EnteringContext) && 304b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // If the token after the colon isn't an identifier, it's still an 305b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // error, but they probably meant something else strange so don't 306b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // recover like this. 307b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor PP.LookAhead(1).is(tok::identifier)) { 308b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Diag(Next, diag::err_unexected_colon_in_nested_name_spec) 309849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateReplacement(Next.getLocation(), "::"); 310b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor 311b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor // Recover as if the user wrote '::'. 312b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor Next.setKind(tok::coloncolon); 313b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor } 31446646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner } 31546646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner 3165c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::coloncolon)) { 31777549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) && 31823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor !Actions.isNonTypeNestedNameSpecifier(getCurScope(), SS, Tok.getLocation(), 31977549080fb7b9af31606b3c1b4830a94429fb1fdDouglas Gregor II, ObjectType)) { 320d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 3219ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 322d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 323d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 3245c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have an identifier followed by a '::'. Lookup this name 3255c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // as the name in a nested-name-specifier. 3265c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation IdLoc = ConsumeToken(); 32746646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner assert((Tok.is(tok::coloncolon) || Tok.is(tok::colon)) && 32846646491834cd8faabb22482dfe93b24ce28a6c1Chris Lattner "NextToken() not working properly!"); 3295c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner SourceLocation CCLoc = ConsumeToken(); 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3312e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor HasScopeSpecifier = true; 3322e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor if (Actions.ActOnCXXNestedNameSpecifier(getCurScope(), II, IdLoc, CCLoc, 3332e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor ObjectType, EnteringContext, SS)) 3342e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor SS.SetInvalid(SourceRange(IdLoc, CCLoc)); 3352e4c34ac53d08633b9473df921db4c7e4c9cd577Douglas Gregor 3365c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 3375c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for '<::' which should be '< ::' instead of '[:' when following 340ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // a template name. 341ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Next.is(tok::l_square) && Next.getLength() == 2) { 342ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token SecondToken = GetLookAheadToken(2); 343ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (SecondToken.is(tok::colon) && 344ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Next, SecondToken)) { 345ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateTy Template; 346ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith UnqualifiedId TemplateName; 347ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName.setIdentifier(&II, Tok.getLocation()); 348ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith bool MemberOfUnknownSpecialization; 349ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Actions.isTemplateName(getCurScope(), SS, 350ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*hasTemplateKeyword=*/false, 351ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith TemplateName, 352ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith ObjectType, 353ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith EnteringContext, 354ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Template, 355ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith MemberOfUnknownSpecialization)) { 356ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Next, SecondToken, tok::kw_template, 357ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith /*AtDigraph*/false); 358ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 359ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 360ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith } 361ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 3625c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // nested-name-specifier: 3635c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // type-name '<' 3645c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner if (Next.is(tok::less)) { 3655c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner TemplateTy Template; 366014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 367014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(&II, Tok.getLocation()); 3681fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 36923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (TemplateNameKind TNK = Actions.isTemplateName(getCurScope(), SS, 3707c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara /*hasTemplateKeyword=*/false, 371014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName, 3722dd078ae50ff7be1fb25ebeedde45e9ab691a4f0Douglas Gregor ObjectType, 373495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor EnteringContext, 3741fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Template, 3751fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization)) { 3765c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // We have found a template name, so annotate this this token 3775c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // with a template-id annotation. We do not permit the 3785c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // template-id to be translated into a type annotation, 3795c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // because some clients (e.g., the parsing of class template 3805c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // specializations) still want to see the original template-id 3815c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner // token. 382ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 383059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 384ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation(), false)) 3859ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 3865c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner continue; 387d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor } 388d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 389d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor if (MemberOfUnknownSpecialization && (ObjectType || SS.isSet()) && 3904147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet (IsTypename || IsTemplateArgumentList(1))) { 391d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // We have something like t::getAs<T>, where getAs is a 392d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // member of an unknown specialization. However, this will only 393d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 394d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor // before 'getAs' and treat this as a dependent template name. 3954147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet unsigned DiagID = diag::err_missing_dependent_template_keyword; 3964147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet if (getLang().Microsoft) 397cf320c6388c90f1938c264e87d77a0e43946e2c3Francois Pichet DiagID = diag::warn_missing_dependent_template_keyword; 3984147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet 3994147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet Diag(Tok.getLocation(), DiagID) 400d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << II.getName() 401d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor << FixItHint::CreateInsertion(Tok.getLocation(), "template "); 402d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor 403d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TemplateNameKind TNK 40423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = Actions.ActOnDependentTemplateName(getCurScope(), 405d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Tok.getLocation(), SS, 406d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 407d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template)) { 408d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor // Consume the identifier. 409d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor ConsumeToken(); 410059101f922de6eb765601459925f4c8914420b23Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, SS, TemplateName, 411d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SourceLocation(), false)) 412d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 413d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor } 414d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor else 415d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor return true; 416d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor 417d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor continue; 4185c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4195c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner } 4205c7f786e3269ee2b512ecf13ccf556c47be83a76Chris Lattner 42139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // We don't have any tokens that form the beginning of a 42239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // nested-name-specifier, so we're done. 42339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor break; 42439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Even if we didn't see any pieces of a nested-name-specifier, we 427d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // still check whether there is a tilde in this position, which 428d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // indicates a potential pseudo-destructor. 429d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (CheckForDestructor && Tok.is(tok::tilde)) 430d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor *MayBePseudoDestructor = true; 431d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 4329ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 433eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 434eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 435eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// ParseCXXIdExpression - Handle id-expression. 436eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 437eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// id-expression: 438eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// unqualified-id 439eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id 440eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 441eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 442eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 443eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' identifier 444eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' operator-function-id 445edce4dd44732dfad69f28822dddcf2b8e92b4483Douglas Gregor/// '::' template-id 446eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 447eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// NOTE: The standard specifies that, for qualified-id, the parser does not 448eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// expect: 449eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 450eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' conversion-function-id 451eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' '~' class-name 452eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 453eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This may cause a slight inconsistency on diagnostics: 454eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 455eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// class C {}; 456eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// namespace A {} 457eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// void f() { 458eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: A :: ~ C(); // Some Sema error about using destructor with a 459eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// // namespace. 460eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// :: ~ C(); // Some Parser error like 'unexpected ~'. 461eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// } 462eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 463eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// We simplify the parser a bit and make it work like: 464eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 465eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// qualified-id: 466eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 467eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::' unqualified-id 468eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 469eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// That way Sema can handle and report similar errors for namespaces and the 470eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// global scope. 471eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// 472ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// The isAddressOfOperand parameter indicates that this id-expression is a 473ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// direct operand of the address-of operator. This is, besides member contexts, 474ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// the only place where a qualified-id naming a non-static class member may 475ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// appear. 476ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl/// 47760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXIdExpression(bool isAddressOfOperand) { 478eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // qualified-id: 479eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::'[opt] nested-name-specifier 'template'[opt] unqualified-id 480eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // '::' unqualified-id 481eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // 482eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 483b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false); 48402a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 48502a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor UnqualifiedId Name; 48602a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor if (ParseUnqualifiedId(SS, 48702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*EnteringContext=*/false, 48802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowDestructorName=*/false, 48902a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor /*AllowConstructorName=*/false, 490b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ObjectType=*/ ParsedType(), 49102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor Name)) 49202a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor return ExprError(); 493b681b61fea36618778b8030360e90e3f4641233bJohn McCall 494b681b61fea36618778b8030360e90e3f4641233bJohn McCall // This is only the direct operand of an & operator if it is not 495b681b61fea36618778b8030360e90e3f4641233bJohn McCall // followed by a postfix-expression suffix. 4969c72c6088d591ace8503b842d39448c2040f3033John McCall if (isAddressOfOperand && isPostfixExpressionSuffixStart()) 4979c72c6088d591ace8503b842d39448c2040f3033John McCall isAddressOfOperand = false; 49802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 49923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnIdExpression(getCurScope(), SS, Name, Tok.is(tok::l_paren), 50002a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor isAddressOfOperand); 50102a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor 502eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 503eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXCasts - This handles the various ways to cast expressions to another 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// type. 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// postfix-expression: [C++ 5.2p1] 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'dynamic_cast' '<' type-name '>' '(' expression ')' 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'static_cast' '<' type-name '>' '(' expression ')' 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'reinterpret_cast' '<' type-name '>' '(' expression ')' 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'const_cast' '<' type-name '>' '(' expression ')' 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 51360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXCasts() { 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *CastName = 0; // For error messages 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Kind) { 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown C++ cast!"); abort(); 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_const_cast: CastName = "const_cast"; break; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break; 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break; 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_static_cast: CastName = "static_cast"; break; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc = ConsumeToken(); 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LAngleBracketLoc = Tok.getLocation(); 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 528ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // Check for "<::" which is parsed as "[:". If found, fix token stream, 529ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith // diagnose error, suggest fix, and recover parsing. 530ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith Token Next = NextToken(); 531ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith if (Tok.is(tok::l_square) && Tok.getLength() == 2 && Next.is(tok::colon) && 532ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith AreTokensAdjacent(PP, Tok, Next)) 533ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith FixDigraph(*this, PP, Tok, Next, Kind, /*AtDigraph*/true); 534ea698b3f6cad84f7f583282dce3e03e24fe80e98Richard Smith 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName)) 53620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 538809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult CastTy = ParseTypeName(); 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RAngleBracketLoc = Tok.getLocation(); 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5411ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) 54220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(Diag(LAngleBracketLoc, diag::note_matching) << "<"); 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 54621e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, CastName)) 54721e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis return ExprError(); 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 54960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = ParseExpression(); 5501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55121e7ad24099965acfa801e4abdd91e3d94106428Argyrios Kyrtzidis // Match the ')'. 55227591ff4fc64600fd67c5d81899e3efe5ef41a80Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 554809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!Result.isInvalid() && !CastTy.isInvalid()) 55549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor Result = Actions.ActOnCXXNamedCast(OpLoc, Kind, 556f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl LAngleBracketLoc, CastTy.get(), 557809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor RAngleBracketLoc, 5589ae2f076ca5ab1feb3ba95629099ec2319833701John McCall LParenLoc, Result.take(), RParenLoc); 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 563c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// ParseCXXTypeid - This handles the C++ typeid expression. 564c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 565c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// postfix-expression: [C++ 5.2p1] 566c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' expression ')' 567c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 'typeid' '(' type-id ')' 568c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl/// 56960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXTypeid() { 570c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl assert(Tok.is(tok::kw_typeid) && "Not 'typeid'!"); 571c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 572c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation OpLoc = ConsumeToken(); 573c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation LParenLoc = Tok.getLocation(); 574c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SourceLocation RParenLoc; 575c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 576c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // typeid expressions are always parenthesized. 577c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 578c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl "typeid")) 57920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 580c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 58160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result; 582c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 583c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl if (isTypeIdInParens()) { 584809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 585c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 586c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 5874eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 588c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 5894eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (Ty.isInvalid() || RParenLoc.isInvalid()) 59020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 591c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 592c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/true, 593b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Ty.get().getAsOpaquePtr(), RParenLoc); 594c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } else { 595e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // C++0x [expr.typeid]p3: 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When typeid is applied to an expression other than an lvalue of a 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // polymorphic class type [...] The expression is an unevaluated 598e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // operand (Clause 5). 599e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Note that we can't tell whether the expression is an lvalue of a 601e0762c92110dfdcdd207db461a4ea17afd168f1eDouglas Gregor // polymorphic class type until after we've parsed the expression, so 602ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // we the expression is potentially potentially evaluated. 603ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(Actions, 604f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyPotentiallyEvaluated); 605c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = ParseExpression(); 606c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 607c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // Match the ')'. 6080e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Result.isInvalid()) 609c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl SkipUntil(tok::r_paren); 610c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl else { 6114eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 6124eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor if (RParenLoc.isInvalid()) 6134eb4f0f96289cbece50c1270e02af3caf8779705Douglas Gregor return ExprError(); 614fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor 615fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor // If we are a foo<int> that identifies a single function, resolve it now... 616fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Expr* e = Result.get(); 617fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (e->getType() == Actions.Context.OverloadTy) { 618fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor ExprResult er = 619fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Actions.ResolveAndFixSingleFunctionTemplateSpecialization(e); 620fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor if (er.isUsable()) 621fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor Result = er.release(); 622fadb53b351977ca7f99a9a613596cba6531979a3Douglas Gregor } 623c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl Result = Actions.ActOnCXXTypeid(OpLoc, LParenLoc, /*isType=*/false, 624effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Result.release(), RParenLoc); 625c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 626c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl } 627c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 62820df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Result); 629c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl} 630c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 63101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// ParseCXXUuidof - This handles the Microsoft C++ __uuidof expression. 63201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 63301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' expression ')' 63401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// '__uuidof' '(' type-id ')' 63501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet/// 63601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois PichetExprResult Parser::ParseCXXUuidof() { 63701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet assert(Tok.is(tok::kw___uuidof) && "Not '__uuidof'!"); 63801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 63901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation OpLoc = ConsumeToken(); 64001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation LParenLoc = Tok.getLocation(); 64101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SourceLocation RParenLoc; 64201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 64301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // __uuidof expressions are always parenthesized. 64401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, 64501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet "__uuidof")) 64601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 64701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 64801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet ExprResult Result; 64901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (isTypeIdInParens()) { 65101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet TypeResult Ty = ParseTypeName(); 65201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 65401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 65501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Ty.isInvalid()) 65701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return ExprError(); 65801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 65901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/true, 66001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Ty.get().getAsOpaquePtr(), RParenLoc); 66101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } else { 66201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated); 66301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = ParseExpression(); 66401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 66501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // Match the ')'. 66601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet if (Result.isInvalid()) 66701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet SkipUntil(tok::r_paren); 66801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet else { 66901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 67001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 67101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result = Actions.ActOnCXXUuidof(OpLoc, LParenLoc, /*isType=*/false, 67201b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet Result.release(), RParenLoc); 67301b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 67401b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet } 67501b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 67601b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet return move(Result); 67701b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet} 67801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 679d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \brief Parse a C++ pseudo-destructor expression after the base, 680d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// . or -> operator, and nested-name-specifier have already been 681d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// parsed. 682d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 683d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression: [C++ 5.2] 684d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression . pseudo-destructor-name 685d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// postfix-expression -> pseudo-destructor-name 686d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 687d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// pseudo-destructor-name: 688d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] type-name :: ~type-name 689d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier template simple-template-id :: 690d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ~type-name 691d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// ::[opt] nested-name-specifier[opt] ~type-name 692d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 69360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 694d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas GregorParser::ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 695d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 696d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 697b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType) { 698d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // We're parsing either a pseudo-destructor-name or a dependent 699d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // member access that has the same form as a 700d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // pseudo-destructor-name. We parse both in the same way and let 701d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // the action model sort them out. 702d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // 703d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Note that the ::[opt] nested-name-specifier[opt] has already 704d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been parsed, and if there was a simple-template-id, it has 705d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // been coalesced into a template-id annotation token. 706d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId FirstTypeName; 707d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation CCLoc; 708d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::identifier)) { 709d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 710d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 711d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 712d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 713d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else if (Tok.is(tok::annot_template_id)) { 714d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setTemplateId( 715d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor (TemplateIdAnnotation *)Tok.getAnnotationValue()); 716d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ConsumeToken(); 717d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::coloncolon) &&"ParseOptionalCXXScopeSpecifier fail"); 718d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CCLoc = ConsumeToken(); 719d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } else { 720d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor FirstTypeName.setIdentifier(0, SourceLocation()); 721d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 722d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 723d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the tilde. 724d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor assert(Tok.is(tok::tilde) && "ParseOptionalCXXScopeSpecifier fail"); 725d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 726d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (!Tok.is(tok::identifier)) { 727d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 728d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 729d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor } 730d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 731d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // Parse the second type. 732d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId SecondTypeName; 733d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 734d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SourceLocation NameLoc = ConsumeToken(); 735d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SecondTypeName.setIdentifier(Name, NameLoc); 736d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 737d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // If there is a '<', the second type name is a template-id. Parse 738d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // it as such. 739d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (Tok.is(tok::less) && 740d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor ParseUnqualifiedIdTemplateId(SS, Name, NameLoc, false, ObjectType, 7410278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SecondTypeName, /*AssumeTemplateName=*/true, 7420278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor /*TemplateKWLoc*/SourceLocation())) 743d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor return ExprError(); 744d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7459ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnPseudoDestructorExpr(getCurScope(), Base, 7469ae2f076ca5ab1feb3ba95629099ec2319833701John McCall OpLoc, OpKind, 747d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor SS, FirstTypeName, CCLoc, 748d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor TildeLoc, SecondTypeName, 749d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor Tok.is(tok::l_paren)); 750d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor} 751d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseCXXBoolLiteral - This handles the C++ Boolean literals. 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// boolean-literal: [C++ 2.13.5] 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'true' 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'false' 75760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXBoolLiteral() { 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind Kind = Tok.getKind(); 759f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXBoolLiteral(ConsumeToken(), Kind); 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 76150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 76250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// ParseThrowExpression - This handles the C++ throw expression. 76350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 76450dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// throw-expression: [C++ 15] 76550dd289f45738ed22b7583d52ed2525b927042ffChris Lattner/// 'throw' assignment-expression[opt] 76660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseThrowExpression() { 76750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner assert(Tok.is(tok::kw_throw) && "Not throw!"); 76850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner SourceLocation ThrowLoc = ConsumeToken(); // Eat the throw token. 76920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl 7702a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // If the current token isn't the start of an assignment-expression, 7712a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // then the expression is not present. This handles things like: 7722a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner // "C ? throw : (void)42", which is crazy but legal. 7732a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner switch (Tok.getKind()) { // FIXME: move this predicate somewhere common. 7742a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::semi: 7752a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_paren: 7762a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_square: 7772a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::r_brace: 7782a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::colon: 7792a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner case tok::comma: 7809ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXThrow(ThrowLoc, 0); 78150dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 7822a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner default: 78360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Expr(ParseAssignmentExpression()); 78420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl if (Expr.isInvalid()) return move(Expr); 7859ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXThrow(ThrowLoc, Expr.take()); 7862a2819a0a8e114bfa5a3c4fc4c97fa173155bae9Chris Lattner } 78750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner} 7884cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7894cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// ParseCXXThis - This handles the C++ 'this' pointer. 7904cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// 7914cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// C++ 9.3.2: In the body of a non-static member function, the keyword this is 7924cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// a non-lvalue expression whose value is the address of the object for which 7934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis/// the function is called. 79460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseCXXThis() { 7954cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis assert(Tok.is(tok::kw_this) && "Not 'this'!"); 7964cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis SourceLocation ThisLoc = ConsumeToken(); 797f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXThis(ThisLoc); 7984cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis} 799987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 800987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXTypeConstructExpression - Parse construction of a specified type. 801987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// Can be interpreted either as function-style casting ("int(x)") 802987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or class type construction ("ClassType(x,y,z)") 803987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// or creation of a value-initialized type ("int()"). 804987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 805987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// postfix-expression: [C++ 5.2p1] 806987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier '(' expression-list[opt] ')' [C++ 5.2.3] 807987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typename-specifier '(' expression-list[opt] ')' [TODO] 808987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 80960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 81020df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian RedlParser::ParseCXXTypeConstructExpression(const DeclSpec &DS) { 811987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 812b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeRep = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo).get(); 813987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 814987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(Tok.is(tok::l_paren) && "Expected '('!"); 815bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor GreaterThanIsOperatorScope G(GreaterThanIsOperator, true); 816bc61bd8109d9accf8f966b59e3f16a1497e72adfDouglas Gregor 817987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation LParenLoc = ConsumeParen(); 818987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 819a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector Exprs(Actions); 820987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis CommaLocsTy CommaLocs; 821987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 822987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (Tok.isNot(tok::r_paren)) { 823987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis if (ParseExpressionList(Exprs, CommaLocs)) { 824987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SkipUntil(tok::r_paren); 82520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 826987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 827987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 828987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 829987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // Match the ')'. 830987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 831987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 832ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl // TypeRep could be null, if it references an invalid typedef. 833ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl if (!TypeRep) 834ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl return ExprError(); 835ef0cb8e62d090ad88a01ca9fa89e48d7416f0ac7Sebastian Redl 836987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert((Exprs.size() == 0 || Exprs.size()-1 == CommaLocs.size())&& 837987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis "Unexpected number of commas!"); 838ab6677ec401cfd2c82b34e4cdfebd55a9dc25778Douglas Gregor return Actions.ActOnCXXTypeConstructExpr(TypeRep, LParenLoc, move_arg(Exprs), 839a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor RParenLoc); 840987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 841987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 84299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// ParseCXXCondition - if/switch/while condition expression. 84371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 84471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// condition: 84571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// expression 84671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// type-specifier-seq declarator '=' assignment-expression 84771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// [GNU] type-specifier-seq declarator simple-asm-expr[opt] attributes[opt] 84871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// '=' assignment-expression 84971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis/// 85099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param ExprResult if the condition was parsed as an expression, the 85199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed expression. 85299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 85399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \param DeclResult if the condition was parsed as a declaration, the 85499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// parsed declaration. 85599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// 856586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param Loc The location of the start of the statement that requires this 857586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// condition, e.g., the "for" in a for loop. 858586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 859586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// \param ConvertToBoolean Whether the condition expression should be 860586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// converted to a boolean value. 861586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor/// 86299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor/// \returns true if there was a parsing, false otherwise. 86360d7b3a319d84d688752be3870615ac0f111fb16John McCallbool Parser::ParseCXXCondition(ExprResult &ExprOut, 86460d7b3a319d84d688752be3870615ac0f111fb16John McCall Decl *&DeclOut, 865586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, 866586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor bool ConvertToBoolean) { 86701dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor if (Tok.is(tok::code_completion)) { 868f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Condition); 869dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 87001dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor } 87101dfea02d1da297e8b53db8eea3d3cc652acda8dDouglas Gregor 87299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!isCXXConditionDeclaration()) { 873586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // Parse the expression. 87460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ParseExpression(); // expression 87560d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = 0; 87660d7b3a319d84d688752be3870615ac0f111fb16John McCall if (ExprOut.isInvalid()) 877586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor return true; 878586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 879586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // If required, convert to a boolean value. 880586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor if (ConvertToBoolean) 88160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut 88260d7b3a319d84d688752be3870615ac0f111fb16John McCall = Actions.ActOnBooleanCondition(getCurScope(), Loc, ExprOut.get()); 88360d7b3a319d84d688752be3870615ac0f111fb16John McCall return ExprOut.isInvalid(); 88499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 88571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 88671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // type-specifier-seq 8870b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 88871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseSpecifierQualifierList(DS); 88971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 89071b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // declarator 89171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis Declarator DeclaratorInfo(DS, Declarator::ConditionContext); 89271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis ParseDeclarator(DeclaratorInfo); 89371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 89471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // simple-asm-expr[opt] 89571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis if (Tok.is(tok::kw_asm)) { 896ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation Loc; 89760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AsmLabel(ParseSimpleAsm(&Loc)); 8980e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (AsmLabel.isInvalid()) { 89971b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis SkipUntil(tok::semi); 90099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return true; 90171b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 902effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl DeclaratorInfo.setAsmLabel(AsmLabel.release()); 903ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetRangeEnd(Loc); 90471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis } 90571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 90671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // If attributes are present, parse them. 9077f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(DeclaratorInfo); 90871b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 90999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // Type-check the declaration itself. 91060d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclResult Dcl = Actions.ActOnCXXConditionDeclaration(getCurScope(), 9117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DeclaratorInfo); 91260d7b3a319d84d688752be3870615ac0f111fb16John McCall DeclOut = Dcl.get(); 91360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprOut = ExprError(); 914a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 91571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // '=' assignment-expression 916a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis if (isTokenEqualOrMistypedEqualEqual( 917a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis diag::err_invalid_equalequal_after_declarator)) { 918dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); 91960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult AssignExpr(ParseAssignmentExpression()); 92099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor if (!AssignExpr.isInvalid()) 92134b41d939a1328f484511c6002ba2456db879a29Richard Smith Actions.AddInitializerToDecl(DeclOut, AssignExpr.take(), false, 92234b41d939a1328f484511c6002ba2456db879a29Richard Smith DS.getTypeSpecType() == DeclSpec::TST_auto); 92399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } else { 92499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // FIXME: C++0x allows a braced-init-list 92599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor Diag(Tok, diag::err_expected_equal_after_declarator); 92699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor } 92799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 928586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // FIXME: Build a reference to this declaration? Convert it to bool? 929586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor // (This is currently handled by Sema). 930483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 931483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Actions.FinalizeDeclaration(DeclOut); 932586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor 93399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor return false; 93471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis} 93571b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 9366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brief Determine whether the current token starts a C++ 9376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier. 9386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::isCXXSimpleTypeSpecifier() const { 9396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor switch (Tok.getKind()) { 9406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::annot_typename: 9416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_short: 9426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_long: 9436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_signed: 9446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_unsigned: 9456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_void: 9466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char: 9476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_int: 9486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_float: 9496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_double: 9506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_wchar_t: 9516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char16_t: 9526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_char32_t: 9536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_bool: 9546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 9556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // GNU typeof support. 9566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor case tok::kw_typeof: 9576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 9586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor default: 9606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor break; 9616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 9626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 9636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 9646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 9656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 966987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 967987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// This should only be called when the current token is known to be part of 968987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier. 969987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 970987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// simple-type-specifier: 971eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// '::'[opt] nested-name-specifier[opt] type-name 972987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// '::'[opt] nested-name-specifier 'template' simple-template-id [TODO] 973987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// char 974987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// wchar_t 975987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// bool 976987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// short 977987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// int 978987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// long 979987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// signed 980987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// unsigned 981987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// float 982987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// double 983987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// void 984987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [GNU] typeof-specifier 985987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// [C++0x] auto [TODO] 986987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 987987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// type-name: 988987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// class-name 989987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// enum-name 990987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// typedef-name 991987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis/// 992987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidisvoid Parser::ParseCXXSimpleTypeSpecifier(DeclSpec &DS) { 993987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis DS.SetRangeStart(Tok.getLocation()); 994987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis const char *PrevSpec; 995fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 996987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis SourceLocation Loc = Tok.getLocation(); 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 998987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis switch (Tok.getKind()) { 99955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::identifier: // foo::bar 100055a7cefc846765ac7d142a63f773747a20518d71Chris Lattner case tok::coloncolon: // ::foo::bar 100155a7cefc846765ac7d142a63f773747a20518d71Chris Lattner assert(0 && "Annotation token should already be formed!"); 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: 1003987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis assert(0 && "Not a simple-type-specifier token!"); 1004987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis abort(); 100555a7cefc846765ac7d142a63f773747a20518d71Chris Lattner 1006987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // type-name 1007b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner case tok::annot_typename: { 10086952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (getTypeAnnotation(Tok)) 10096952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, 10106952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTypeAnnotation(Tok)); 10116952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor else 10126952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor DS.SetTypeSpecError(); 10139bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10149bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 10159bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ConsumeToken(); 10169bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10179bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' 10189bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an 10199bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // Objective-C interface. If we don't have Objective-C or a '<', this is 10209bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor // just a normal reference to a typedef name. 10219bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (Tok.is(tok::less) && getLang().ObjC1) 10229bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ParseObjCProtocolQualifiers(DS); 10239bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10249bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.Finish(Diags, PP); 10259bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor return; 1026987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1028987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // builtin types 1029987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_short: 1030fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); 1031987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1032987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_long: 1033fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, DiagID); 1034987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1035987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_signed: 1036fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); 1037987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1038987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_unsigned: 1039fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, DiagID); 1040987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1041987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_void: 1042fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); 1043987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1044987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_char: 1045fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); 1046987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1047987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_int: 1048fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); 1049987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1050987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_float: 1051fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); 1052987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1053987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_double: 1054fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); 1055987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1056987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_wchar_t: 1057fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); 1058987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 1059f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char16_t: 1060fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); 1061f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1062f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case tok::kw_char32_t: 1063fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); 1064f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1065987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_bool: 1066fec54013fcd0eb72642741584ca04c1bc292bef8John McCall DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); 1067987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis break; 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: C++0x decltype support. 1070987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // GNU typeof support. 1071987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis case tok::kw_typeof: 1072987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ParseTypeofSpecifier(DS); 10739b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1074987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis return; 1075987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis } 1076b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner if (Tok.is(tok::annot_typename)) 1077eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getAnnotationEndLoc()); 1078eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis else 1079eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DS.SetRangeEnd(Tok.getLocation()); 1080987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis ConsumeToken(); 10819b3064b55f3c858923734e8b1c9831777fc22554Douglas Gregor DS.Finish(Diags, PP); 1082987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis} 10831cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 10842f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// ParseCXXTypeSpecifierSeq - Parse a C++ type-specifier-seq (C++ 10852f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// [dcl.name]), which is a non-empty sequence of type-specifiers, 10862f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// e.g., "const short int". Note that the DeclSpec is *not* finished 10872f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// by parsing the type-specifier-seq, because these sequences are 10882f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// typically followed by some form of declarator. Returns true and 10892f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// emits diagnostics if this is not a type-specifier-seq, false 10902f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// otherwise. 10912f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 10922f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier-seq: [C++ 8.1] 10932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// type-specifier type-specifier-seq[opt] 10942f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor/// 10952f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregorbool Parser::ParseCXXTypeSpecifierSeq(DeclSpec &DS) { 10962f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor DS.SetRangeStart(Tok.getLocation()); 10972f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor const char *PrevSpec = 0; 1098fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 1099fec54013fcd0eb72642741584ca04c1bc292bef8John McCall bool isInvalid = 0; 11002f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11012f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor // Parse one or more of the type specifiers. 1102d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl if (!ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1103d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) { 11049fa8e569407e02148888136609431a3fe083096dNick Lewycky Diag(Tok, diag::err_expected_type); 11052f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return true; 11062f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor } 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1108d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl while (ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, 1109d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl ParsedTemplateInfo(), /*SuppressDeclarations*/true)) 1110d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl {} 11112f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 1112396a9f235e160093b5f803f7a6a18fad7b68bdbeDouglas Gregor DS.Finish(Diags, PP); 11132f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor return false; 11142f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor} 11152f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 11163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \brief Finish parsing a C++ unqualified-id that is a template-id of 11173f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// some form. 11183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// This routine is invoked when a '<' is encountered after an identifier or 11203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id is parsed by \c ParseUnqualifiedId() to determine 11213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// whether the unqualified-id is actually a template-id. This routine will 11223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// then parse the template arguments and form the appropriate template-id to 11233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// return to the caller. 11243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param SS the nested-name-specifier that precedes this template-id, if 11263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// we're actually parsing a qualified-id. 11273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Name for constructor and destructor names, this is the actual 11293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// identifier that may be a template-name. 11303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param NameLoc the location of the class-name in a constructor or 11323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// destructor. 11333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 11343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we're entering the scope of the 11353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 11363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 113746df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 113846df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 113946df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 11403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Id as input, describes the template-name or operator-function-id 11413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// that precedes the '<'. If template arguments were parsed successfully, 11423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// will be updated with the template-id. 11433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1144d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// \param AssumeTemplateId When true, this routine will assume that the name 1145d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// refers to a template without performing name lookup to verify. 1146d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor/// 11473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if a parse error occurred, false otherwise. 11483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 11493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 11503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 11513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 1152b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1153d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 11540278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool AssumeTemplateId, 11550278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc) { 11560278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor assert((AssumeTemplateId || Tok.is(tok::less)) && 11570278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor "Expected '<' to finish parsing a template-id"); 11583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 11593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateTy Template; 11603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateNameKind TNK = TNK_Non_template; 11613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (Id.getKind()) { 11623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_Identifier: 1163014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 1164e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 1165d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor if (AssumeTemplateId) { 116623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1167d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Id, ObjectType, EnteringContext, 1168d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor Template); 1169d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 1170d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor return true; 11711fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } else { 11721fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 11737c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, 11747c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateKWLoc.isValid(), Id, 11757c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara ObjectType, EnteringContext, Template, 11761fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 11771fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor 11781fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (TNK == TNK_Non_template && MemberOfUnknownSpecialization && 11791fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor ObjectType && IsTemplateArgumentList()) { 11801fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // We have something like t->getAs<T>(), where getAs is a 11811fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // member of an unknown specialization. However, this will only 11821fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // parse correctly as a template, so suggest the keyword 'template' 11831fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor // before 'getAs' and treat this as a dependent template name. 11841fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor std::string Name; 11851fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) 11861fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = Id.Identifier->getName(); 11871fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else { 11881fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name = "operator "; 11891fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor if (Id.getKind() == UnqualifiedId::IK_OperatorFunctionId) 11901fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += getOperatorSpelling(Id.OperatorFunctionId.Operator); 11911fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor else 11921fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Name += Id.Identifier->getName(); 11931fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 11941fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor Diag(Id.StartLocation, diag::err_missing_dependent_template_keyword) 11951fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << Name 11961fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor << FixItHint::CreateInsertion(Id.StartLocation, "template "); 119723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, 1198d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor SS, Id, ObjectType, 1199d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1200d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12011fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor return true; 12021fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12031fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor } 12043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 12053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1206014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_ConstructorName: { 1207014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12081fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1209014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12107c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12117c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12121fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12131fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12143f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1215014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1217014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor case UnqualifiedId::IK_DestructorName: { 1218014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 12191fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 1220014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Name, NameLoc); 12212d1c21414199a7452f122598189363a3922605b1Douglas Gregor if (ObjectType) { 122223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TNK = Actions.ActOnDependentTemplateName(getCurScope(), TemplateKWLoc, SS, 1223d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor TemplateName, ObjectType, 1224d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor EnteringContext, Template); 1225d6ab232bb3ec9847de5af06249afb63078b5f2eeDouglas Gregor if (TNK == TNK_Non_template) 12262d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12272d1c21414199a7452f122598189363a3922605b1Douglas Gregor } else { 12287c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TNK = Actions.isTemplateName(getCurScope(), SS, TemplateKWLoc.isValid(), 12297c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara TemplateName, ObjectType, 12301fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor EnteringContext, Template, 12311fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor MemberOfUnknownSpecialization); 12322d1c21414199a7452f122598189363a3922605b1Douglas Gregor 1233b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (TNK == TNK_Non_template && !Id.DestructorName.get()) { 1234124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(NameLoc, diag::err_destructor_template_id) 1235124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor << Name << SS.getRange(); 12362d1c21414199a7452f122598189363a3922605b1Douglas Gregor return true; 12372d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12382d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 12393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor break; 1240014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor } 12413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor default: 12433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (TNK == TNK_Non_template) 12473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the enclosed template argument list. 12503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation LAngleLoc, RAngleLoc; 12513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgList TemplateArgs; 12520278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (Tok.is(tok::less) && 12530278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ParseTemplateIdAfterTemplateName(Template, Id.StartLocation, 1254059101f922de6eb765601459925f4c8914420b23Douglas Gregor SS, true, LAngleLoc, 12553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs, 12563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc)) 12573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 12583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier || 1260e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1261e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Id.getKind() == UnqualifiedId::IK_LiteralOperatorId) { 12623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Form a parsed representation of the template-id to be stored in the 12633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // UnqualifiedId. 12643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateIdAnnotation *TemplateId 12653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor = TemplateIdAnnotation::Allocate(TemplateArgs.size()); 12663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_Identifier) { 12683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Name = Id.Identifier; 1269014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = OO_None; 12703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 12713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 1272014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Name = 0; 1273014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->Operator = Id.OperatorFunctionId.Operator; 1274014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateId->TemplateNameLoc = Id.StartLocation; 12753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1277059101f922de6eb765601459925f4c8914420b23Douglas Gregor TemplateId->SS = SS; 12782b5289b6fd7e3d9899868410a498c081c9595662John McCall TemplateId->Template = Template; 12793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->Kind = TNK; 12803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->LAngleLoc = LAngleLoc; 12813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateId->RAngleLoc = RAngleLoc; 1282314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument *Args = TemplateId->getTemplateArgs(); 12833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor for (unsigned Arg = 0, ArgEnd = TemplateArgs.size(); 1284314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor Arg != ArgEnd; ++Arg) 12853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Args[Arg] = TemplateArgs[Arg]; 12863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12873f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setTemplateId(TemplateId); 12883f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 12893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 12903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Bundle the template arguments together. 12923f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(), 12933f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor TemplateArgs.size()); 12943f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 12953f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Constructor and destructor names. 1296f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Type 1297059101f922de6eb765601459925f4c8914420b23Douglas Gregor = Actions.ActOnTemplateIdType(SS, Template, NameLoc, 12983f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor LAngleLoc, TemplateArgsPtr, 12993f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor RAngleLoc); 13003f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Type.isInvalid()) 13013f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 13023f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13033f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Id.getKind() == UnqualifiedId::IK_ConstructorName) 13043f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setConstructorName(Type.get(), NameLoc, RAngleLoc); 13053f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor else 13063f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Id.setDestructorName(Id.StartLocation, Type.get(), RAngleLoc); 13073f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 13083f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 13093f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 13103f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1311ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse an operator-function-id or conversion-function-id as part 1312ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// of a C++ unqualified-id. 13133f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1314ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// This routine is responsible only for parsing the operator-function-id or 1315ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id; it does not handle template arguments in any way. 13163f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1317ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 13183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator-function-id: [C++ 13.5] 13193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 'operator' operator 13203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1321ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator: one of 13223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// new delete new[] delete[] 13233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// + - * / % ^ & | ~ 13243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ! = < > += -= *= /= %= 13253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ^= &= |= << >> >>= <<= == != 13263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// <= >= && || ++ -- , ->* -> 13273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// () [] 13283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-function-id: [C++ 12.3.2] 13303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// operator conversion-type-id 13313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-type-id: 13333f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// type-specifier-seq conversion-declarator[opt] 13343f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13353f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// conversion-declarator: 13363f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// ptr-operator conversion-declarator[opt] 13373f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \endcode 13383f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 13403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 13413f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 13423f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param EnteringContext whether we are entering the scope of the 13433f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// nested-name-specifier. 13443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 1345ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 1346ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// expression, the type of the base object whose member is being accessed. 1347ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1348ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 1349ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1350ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \returns true if parsing fails, false otherwise. 1351ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregorbool Parser::ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1352b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1353ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result) { 1354ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert(Tok.is(tok::kw_operator) && "Expected 'operator' keyword"); 1355ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1356ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'operator' keyword. 1357ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation KeywordLoc = ConsumeToken(); 1358ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1359ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Determine what kind of operator name we have. 1360ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor unsigned SymbolIdx = 0; 1361ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation SymbolLocations[3]; 1362ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Op = OO_None; 1363ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor switch (Tok.getKind()) { 1364ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_new: 1365ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::kw_delete: { 1366ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool isNew = Tok.getKind() == tok::kw_new; 1367ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the 'new' or 'delete'. 1368ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); 1369ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Tok.is(tok::l_square)) { 1370ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1371ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1372ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1373ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1374ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1375ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1376ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1377ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1378ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1379ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1380ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_Array_New : OO_Array_Delete; 1381ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 1382ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = isNew? OO_New : OO_Delete; 1383ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1384ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1385ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1386ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1387ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 1388ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::Token: \ 1389ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = ConsumeToken(); \ 1390ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_##Name; \ 1391ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1392ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) 1393ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.def" 1394ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1395ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_paren: { 1396ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '('. 1397ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 1398ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ')'. 1399ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, 1400ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LParenLoc); 1401ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RParenLoc.isInvalid()) 1402ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1403ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1404ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LParenLoc; 1405ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RParenLoc; 1406ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Call; 1407ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1408ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1409ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1410ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::l_square: { 1411ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the '['. 1412ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation LBracketLoc = ConsumeBracket(); 1413ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the ']'. 1414ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SourceLocation RBracketLoc = MatchRHSPunctuation(tok::r_square, 1415ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor LBracketLoc); 1416ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (RBracketLoc.isInvalid()) 1417ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1418ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1419ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = LBracketLoc; 1420ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor SymbolLocations[SymbolIdx++] = RBracketLoc; 1421ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Op = OO_Subscript; 1422ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1423ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1424ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1425ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor case tok::code_completion: { 1426ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Code completion for the operator name. 142723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOperatorName(getCurScope()); 1428ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1429ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the operator token. 1430dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1431ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1432ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Don't try to parse any further. 1433ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1434ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1435ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1436ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor default: 1437ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor break; 1438ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 1439ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1440ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Op != OO_None) { 1441ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // We have parsed an operator-function-id. 1442ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setOperatorFunctionId(KeywordLoc, Op, SymbolLocations); 1443ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1444ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 14450486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14460486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // Parse a literal-operator-id. 14470486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // 14480486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // literal-operator-id: [C++0x 13.5.8] 14490486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt // operator "" identifier 14500486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14510486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (getLang().CPlusPlus0x && Tok.is(tok::string_literal)) { 14520486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.getLength() != 2) 14530486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_operator_string_not_empty); 14540486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt ConsumeStringToken(); 14550486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14560486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt if (Tok.isNot(tok::identifier)) { 14570486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Diag(Tok.getLocation(), diag::err_expected_ident); 14580486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt return true; 14590486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 14600486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt 14610486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt IdentifierInfo *II = Tok.getIdentifierInfo(); 14620486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt Result.setLiteralOperatorId(II, KeywordLoc, ConsumeToken()); 14633e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return false; 14640486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt } 1465ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1466ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse a conversion-function-id. 1467ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1468ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-function-id: [C++ 12.3.2] 1469ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator conversion-type-id 1470ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1471ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-type-id: 1472ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // type-specifier-seq conversion-declarator[opt] 1473ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1474ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // conversion-declarator: 1475ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operator conversion-declarator[opt] 1476ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1477ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the type-specifier-seq. 14780b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1479f6e6fc801c700c7b8ac202ddbe550d9843a816fcDouglas Gregor if (ParseCXXTypeSpecifierSeq(DS)) // FIXME: ObjectType? 1480ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1481ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1482ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Parse the conversion-declarator, which is merely a sequence of 1483ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // ptr-operators. 1484ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Declarator D(DS, Declarator::TypeNameContext); 1485ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ParseDeclaratorInternal(D, /*DirectDeclParser=*/0); 1486ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1487ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Finish up the type. 1488f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall TypeResult Ty = Actions.ActOnTypeName(getCurScope(), D); 1489ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (Ty.isInvalid()) 1490ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return true; 1491ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1492ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Note that this is a conversion-function-id. 1493ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor Result.setConversionFunctionId(KeywordLoc, Ty.get(), 1494ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor D.getSourceRange().getEnd()); 1495ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return false; 1496ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 1497ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 1498ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Parse a C++ unqualified-id (or a C identifier), which describes the 1499ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// name of an entity. 1500ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1501ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \code 1502ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// unqualified-id: [C++ expr.prim.general] 1503ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// identifier 1504ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// operator-function-id 1505ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// conversion-function-id 1506ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// [C++0x] literal-operator-id [TODO] 1507ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// ~ class-name 1508ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template-id 1509ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1510ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \endcode 1511ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1512ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param The nested-name-specifier that preceded this unqualified-id. If 1513ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// non-empty, then we are parsing the unqualified-id of a qualified-id. 1514ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 1515ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \param EnteringContext whether we are entering the scope of the 1516ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// nested-name-specifier. 1517ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// 15183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowDestructorName whether we allow parsing of a destructor name. 15193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15203f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param AllowConstructorName whether we allow parsing a constructor name. 15213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 152246df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// \param ObjectType if this unqualified-id occurs within a member access 152346df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// expression, the type of the base object whose member is being accessed. 152446df8cc349096f141c841dbffaa72641ff1dd94bDouglas Gregor/// 15253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \param Result on a successful parse, contains the parsed unqualified-id. 15263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// 15273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor/// \returns true if parsing fails, false otherwise. 15283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregorbool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 15293f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowDestructorName, 15303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool AllowConstructorName, 1531b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 15323f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result) { 15330278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15340278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // Handle 'A::template B'. This is for template-ids which have not 15350278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor // already been annotated by ParseOptionalCXXScopeSpecifier(). 15360278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool TemplateSpecified = false; 15370278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc; 15380278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (getLang().CPlusPlus && Tok.is(tok::kw_template) && 15390278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (ObjectType || SS.isSet())) { 15400278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified = true; 15410278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateKWLoc = ConsumeToken(); 15420278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor } 15430278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor 15443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 15453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // identifier 15463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (when it hasn't already been annotated) 15473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::identifier)) { 15483f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Consume the identifier. 15493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Id = Tok.getIdentifierInfo(); 15503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation IdLoc = ConsumeToken(); 15513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1552b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (!getLang().CPlusPlus) { 1553b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // If we're not in C++, only identifiers matter. Record the 1554b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor // identifier and return. 1555b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor Result.setIdentifier(Id, IdLoc); 1556b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor return false; 1557b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor } 1558b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor 15593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (AllowConstructorName && 156023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*Id, getCurScope(), &SS)) { 15613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed a constructor name. 156223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Result.setConstructorName(Actions.getTypeName(*Id, IdLoc, getCurScope(), 15639e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 15649e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 15659e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NonTrivialTypeSourceInfo=*/true), 15663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdLoc, IdLoc); 15673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } else { 15683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have parsed an identifier. 15693f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setIdentifier(Id, IdLoc); 15703f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15713f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15723f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // If the next token is a '<', we may have a template. 15730278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) 15743f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return ParseUnqualifiedIdTemplateId(SS, Id, IdLoc, EnteringContext, 15750278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor ObjectType, Result, 15760278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 15773f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15783f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 15793f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 15803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 15813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 15823f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // template-id (already parsed and annotated) 15833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::annot_template_id)) { 15840efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateIdAnnotation *TemplateId 15850efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor = static_cast<TemplateIdAnnotation*>(Tok.getAnnotationValue()); 15860efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 15870efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // If the template-name names the current class, then this is a constructor 15880efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (AllowConstructorName && TemplateId->Name && 158923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.isCurrentClassName(*TemplateId->Name, getCurScope(), &SS)) { 15900efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor if (SS.isSet()) { 15910efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // C++ [class.qual]p2 specifies that a qualified template-name 15920efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // is taken as the constructor name where a constructor can be 15930efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // declared. Thus, the template arguments are extraneous, so 15940efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor // complain about them and remove them entirely. 15950efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Diag(TemplateId->TemplateNameLoc, 15960efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor diag::err_out_of_line_constructor_template_id) 15970efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor << TemplateId->Name 1598849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval( 15990efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor SourceRange(TemplateId->LAngleLoc, TemplateId->RAngleLoc)); 16000efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorName(Actions.getTypeName(*TemplateId->Name, 16010efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 160223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor getCurScope(), 16039e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor &SS, false, false, 16049e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 16059e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor /*NontrivialTypeSourceInfo=*/true), 16060efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->TemplateNameLoc, 16070efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->RAngleLoc); 16080efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor TemplateId->Destroy(); 16090efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16100efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16110efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16120efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16130efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setConstructorTemplateId(TemplateId); 16140efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ConsumeToken(); 16150efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor return false; 16160efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor } 16170efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 16183f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // We have already parsed a template-id; consume the annotation token as 16193f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // our unqualified-id. 16200efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor Result.setTemplateId(TemplateId); 16213f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor ConsumeToken(); 16223f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16233f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16243f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16253f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unqualified-id: 16263f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // operator-function-id 16273f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // conversion-function-id 16283f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.is(tok::kw_operator)) { 1629ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, Result)) 16303f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16313f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1632e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // If we have an operator-function-id or a literal-operator-id and the next 1633e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt // token is a '<', we may have a 1634ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // 1635ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // template-id: 1636ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // operator-function-id < template-argument-list[opt] > 1637e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt if ((Result.getKind() == UnqualifiedId::IK_OperatorFunctionId || 1638e6252d1587f98dbac704178e7b2ce53116048310Sean Hunt Result.getKind() == UnqualifiedId::IK_LiteralOperatorId) && 16390278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor (TemplateSpecified || Tok.is(tok::less))) 1640ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, 0, SourceLocation(), 1641ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor EnteringContext, ObjectType, 16420278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor Result, 16430278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16443f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16453f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16463f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16473f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1648b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor if (getLang().CPlusPlus && 1649b862b8f93424a583fc912ab37bbbac1c231e852eDouglas Gregor (AllowDestructorName || SS.isSet()) && Tok.is(tok::tilde)) { 16503f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // C++ [expr.unary.op]p10: 16513f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // There is an ambiguity in the unary-expression ~X(), where X is a 16523f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // class-name. The ambiguity is resolved in favor of treating ~ as a 16533f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // unary complement rather than treating ~X as referring to a destructor. 16543f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the '~'. 16563f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation TildeLoc = ConsumeToken(); 16573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name. 16593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (Tok.isNot(tok::identifier)) { 1660124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor Diag(Tok, diag::err_destructor_tilde_identifier); 16613f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16633f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16643f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Parse the class-name (or template-name in a simple-template-id). 16653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *ClassName = Tok.getIdentifierInfo(); 16663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation ClassNameLoc = ConsumeToken(); 16673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16680278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor if (TemplateSpecified || Tok.is(tok::less)) { 1669b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Result.setDestructorName(TildeLoc, ParsedType(), ClassNameLoc); 16702d1c21414199a7452f122598189363a3922605b1Douglas Gregor return ParseUnqualifiedIdTemplateId(SS, ClassName, ClassNameLoc, 16710278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor EnteringContext, ObjectType, Result, 16720278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor TemplateSpecified, TemplateKWLoc); 16732d1c21414199a7452f122598189363a3922605b1Douglas Gregor } 16742d1c21414199a7452f122598189363a3922605b1Douglas Gregor 16753f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor // Note that this is a destructor name. 1676b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty = Actions.getDestructorName(TildeLoc, *ClassName, 1677b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ClassNameLoc, getCurScope(), 1678b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall SS, ObjectType, 1679b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall EnteringContext); 1680124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor if (!Ty) 16813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 1682124b878dba5007df0a268ea128a6ad8dc5dd2c5eDouglas Gregor 16833f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor Result.setDestructorName(TildeLoc, Ty, ClassNameLoc); 16843f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return false; 16853f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 16863f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16872d1c21414199a7452f122598189363a3922605b1Douglas Gregor Diag(Tok, diag::err_expected_unqualified_id) 16882d1c21414199a7452f122598189363a3922605b1Douglas Gregor << getLang().CPlusPlus; 16893f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return true; 16903f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor} 16913f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXNewExpression - Parse a C++ new-expression. New is used to allocate 16934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// memory in a typesafe manner and call constructors. 16941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 169559232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the new expression after the optional :: has 169659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// been already parsed. If the :: was present, "UseGlobal" is true and "Start" 169759232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// is its location. Otherwise, "Start" is the location of the 'new' token. 16984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 16994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 17004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] new-type-id 17014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 17034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 17044c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 17054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 17064c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 17074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1708cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-type-id: 1709cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// type-specifier-seq new-declarator[opt] 1710893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor/// [GNU] attributes type-specifier-seq new-declarator[opt] 1711cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 1712cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// new-declarator: 1713cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// ptr-operator new-declarator[opt] 1714cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// direct-new-declarator 1715cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl/// 17164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer: 17174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list[opt] ')' 17184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// [C++0x] braced-init-list [TODO] 17194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 172060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 172159232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXNewExpression(bool UseGlobal, SourceLocation Start) { 172259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_new) && "expected 'new' token"); 172359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'new' 17244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // A '(' now can be a new-placement or the '(' wrapping the type-id in the 17264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // second form of new-expression. It can't be a new-type-id. 17274c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1728a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector PlacementArgs(Actions); 17294c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation PlacementLParen, PlacementRParen; 17304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17314bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor SourceRange TypeIdParens; 17320b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1733cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 17344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // If it turns out to be a placement, we change the type location. 17364c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = ConsumeParen(); 1737cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) { 1738cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 173920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1740cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17414c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17424c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementRParen = MatchRHSPunctuation(tok::r_paren, PlacementLParen); 1743cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementRParen.isInvalid()) { 1744cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 174520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1746cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1748cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (PlacementArgs.empty()) { 17494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Reset the placement locations. There was no placement. 17504bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens = SourceRange(PlacementLParen, PlacementRParen); 17514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl PlacementLParen = PlacementRParen = SourceLocation(); 17524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 17534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // We still need the type. 17544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17554bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setBegin(ConsumeParen()); 1756893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1757cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(DS); 1758ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1759cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(DeclaratorInfo); 17604bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.setEnd(MatchRHSPunctuation(tok::r_paren, 17614bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens.getBegin())); 17624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1763893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1764cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1765cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1766ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1767ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1768cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1769cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1770ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 17714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 17734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } else { 1774cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // A new-type-id is a simplified type-id, where essentially the 1775cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl // direct-declarator is replaced by a direct-new-declarator. 1776893e1cc13ab17e96ada5019df6978af1668fee26Douglas Gregor MaybeParseGNUAttributes(DeclaratorInfo); 1777cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseCXXTypeSpecifierSeq(DS)) 1778cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl DeclaratorInfo.setInvalidType(true); 1779ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl else { 1780ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl DeclaratorInfo.SetSourceRange(DS.getSourceRange()); 1781cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclaratorInternal(DeclaratorInfo, 1782cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl &Parser::ParseDirectNewDeclarator); 1783ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 17844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 1785eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner if (DeclaratorInfo.isInvalidType()) { 1786cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 178720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1788cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 17894c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1790a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector ConstructorArgs(Actions); 17914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation ConstructorLParen, ConstructorRParen; 17924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 17934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_paren)) { 17944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorLParen = ConsumeParen(); 17954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.isNot(tok::r_paren)) { 17964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 1797cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ParseExpressionList(ConstructorArgs, CommaLocs)) { 1798cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 179920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1800cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ConstructorRParen = MatchRHSPunctuation(tok::r_paren, ConstructorLParen); 1803cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl if (ConstructorRParen.isInvalid()) { 1804cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true); 180520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 1806cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl } 18074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18084c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1809f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl return Actions.ActOnCXXNew(Start, UseGlobal, PlacementLParen, 1810f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(PlacementArgs), PlacementRParen, 18114bd40318cbea15310a37343db46de96c4fcc15e6Douglas Gregor TypeIdParens, DeclaratorInfo, ConstructorLParen, 1812f53597fb16142bdb4a66901f8c0b768db4f2a548Sebastian Redl move_arg(ConstructorArgs), ConstructorRParen); 18134c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18144c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18154c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseDirectNewDeclarator - Parses a direct-new-declarator. Intended to be 18164c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// passed to ParseDeclaratorInternal. 18174c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18184c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator: 18194c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '[' expression ']' 18204c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// direct-new-declarator '[' constant-expression ']' 18214c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 182259232d35f5820e334b6c8b007ae8006f4390055dChris Lattnervoid Parser::ParseDirectNewDeclarator(Declarator &D) { 18234c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Parse the array dimensions. 18244c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool first = true; 18254c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl while (Tok.is(tok::l_square)) { 18264c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LLoc = ConsumeBracket(); 182760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Size(first ? ParseExpression() 18282f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl : ParseConstantExpression()); 18290e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Size.isInvalid()) { 18304c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Recover 18314c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SkipUntil(tok::r_square); 18324c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18334c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18344c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl first = false; 18354c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1836ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc); 18370b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 18380b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 18390b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall D.AddTypeInfo(DeclaratorChunk::getArray(0, 18407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall /*static=*/false, /*star=*/false, 18417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size.release(), LLoc, RLoc), 18420b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall attrs, RLoc); 18434c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 1844ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (RLoc.isInvalid()) 18454c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return; 18464c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18474c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18484c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18494c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseExpressionListOrTypeId - Parse either an expression-list or a type-id. 18504c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// This ambiguity appears in the syntax of the C++ new operator. 18514c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18524c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-expression: 18534c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'new' new-placement[opt] '(' type-id ')' 18544c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-initializer[opt] 18554c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 18564c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// new-placement: 18574c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '(' expression-list ')' 18584c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 1859ca0408fb49c1370430672acf2d770b7151cf71deJohn McCallbool Parser::ParseExpressionListOrTypeId( 1860ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVectorImpl<Expr*> &PlacementArgs, 186159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner Declarator &D) { 18624c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // The '(' was already consumed. 18634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (isTypeIdInParens()) { 1864cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseSpecifierQualifierList(D.getMutableDeclSpec()); 1865ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetSourceRange(D.getDeclSpec().getSourceRange()); 1866cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl ParseDeclarator(D); 1867eaaebc7cf10dc1a2016183a262ad3256bc468759Chris Lattner return D.isInvalidType(); 18684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 18694c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18704c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // It's not a type, it has to be an expression list. 18714c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Discard the comma locations - ActOnCXXNew has enough parameters. 18724c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl CommaLocsTy CommaLocs; 18734c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl return ParseExpressionList(PlacementArgs, CommaLocs); 18744c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 18754c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18764c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// ParseCXXDeleteExpression - Parse a C++ delete-expression. Delete is used 18774c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// to free memory allocated by new. 18784c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// 187959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// This method is called to parse the 'delete' expression after the optional 188059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// '::' has been already parsed. If the '::' was present, "UseGlobal" is true 188159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// and "Start" is its location. Otherwise, "Start" is the location of the 188259232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 'delete' token. 188359232d35f5820e334b6c8b007ae8006f4390055dChris Lattner/// 18844c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// delete-expression: 18854c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' cast-expression 18864c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl/// '::'[opt] 'delete' '[' ']' cast-expression 188760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 188859232d35f5820e334b6c8b007ae8006f4390055dChris LattnerParser::ParseCXXDeleteExpression(bool UseGlobal, SourceLocation Start) { 188959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner assert(Tok.is(tok::kw_delete) && "Expected 'delete' keyword"); 189059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner ConsumeToken(); // Consume 'delete' 18914c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 18924c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // Array delete? 18934c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl bool ArrayDelete = false; 18944c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (Tok.is(tok::l_square)) { 18954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl ArrayDelete = true; 18964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation LHS = ConsumeBracket(); 18974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl SourceLocation RHS = MatchRHSPunctuation(tok::r_square, LHS); 18984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl if (RHS.isInvalid()) 189920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ExprError(); 19004c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl } 19014c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 190260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Operand(ParseCastExpression(false)); 19030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Operand.isInvalid()) 190420df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return move(Operand); 19054c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 19069ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnCXXDelete(Start, UseGlobal, ArrayDelete, Operand.take()); 19074c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl} 190864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic UnaryTypeTrait UnaryTypeTraitFromTokKind(tok::TokenKind kind) { 191064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl switch(kind) { 191138c2b730a8553fa1cf369d0c5567f8b5d0a3dda8Francois Pichet default: llvm_unreachable("Not a known unary type trait"); 191264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_assign: return UTT_HasNothrowAssign; 191364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_copy: return UTT_HasNothrowCopy; 191464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_nothrow_constructor: return UTT_HasNothrowConstructor; 191564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_assign: return UTT_HasTrivialAssign; 191664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_copy: return UTT_HasTrivialCopy; 191764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_constructor: return UTT_HasTrivialConstructor; 191864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_trivial_destructor: return UTT_HasTrivialDestructor; 191964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___has_virtual_destructor: return UTT_HasVirtualDestructor; 192064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_abstract: return UTT_IsAbstract; 192164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_class: return UTT_IsClass; 192264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_empty: return UTT_IsEmpty; 192364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_enum: return UTT_IsEnum; 192464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_pod: return UTT_IsPOD; 192564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_polymorphic: return UTT_IsPolymorphic; 192664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl case tok::kw___is_union: return UTT_IsUnion; 1927ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl case tok::kw___is_literal: return UTT_IsLiteral; 192864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl } 19296ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 19306ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19316ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichetstatic BinaryTypeTrait BinaryTypeTraitFromTokKind(tok::TokenKind kind) { 19326ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet switch(kind) { 193338c2b730a8553fa1cf369d0c5567f8b5d0a3dda8Francois Pichet default: llvm_unreachable("Not a known binary type trait"); 1934f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___is_base_of: return BTT_IsBaseOf; 1935f187237d916afa97c491ac32fe98be7d335c5b63Francois Pichet case tok::kw___builtin_types_compatible_p: return BTT_TypeCompatible; 19369f3611365d0f2297a910cf246e056708726ed10aDouglas Gregor case tok::kw___is_convertible_to: return BTT_IsConvertibleTo; 19376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 193864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 193964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 194064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// ParseUnaryTypeTrait - Parse the built-in unary type-trait 194164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// pseudo-functions that allow implementation of the TR1/C++0x type traits 194264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// templates. 194364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 194464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// primary-expression: 194564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// [GNU] unary-type-trait '(' type-id ')' 194664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl/// 194760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseUnaryTypeTrait() { 194864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl UnaryTypeTrait UTT = UnaryTypeTraitFromTokKind(Tok.getKind()); 194964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation Loc = ConsumeToken(); 195064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 195164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation LParen = Tok.getLocation(); 195264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 195364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl return ExprError(); 195464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 195564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // FIXME: Error reporting absolutely sucks! If the this fails to parse a type 195664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // there will be cryptic errors about mismatched parentheses and missing 195764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // specifiers. 1958809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 195964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 196064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 196164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1962809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1963809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1964809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 19653d37c0ada0e46b87be0a10e8d52d990a97d3907aDouglas Gregor return Actions.ActOnUnaryTypeTrait(UTT, Loc, Ty.get(), RParen); 196664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl} 1967f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 19686ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// ParseBinaryTypeTrait - Parse the built-in binary type-trait 19696ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// pseudo-functions that allow implementation of the TR1/C++0x type traits 19706ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// templates. 19716ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 19726ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// primary-expression: 19736ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// [GNU] binary-type-trait '(' type-id ',' type-id ')' 19746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet/// 19756ad6f2848d7652ab2991286eb48be440d3493b28Francois PichetExprResult Parser::ParseBinaryTypeTrait() { 19766ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet BinaryTypeTrait BTT = BinaryTypeTraitFromTokKind(Tok.getKind()); 19776ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation Loc = ConsumeToken(); 19786ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19796ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation LParen = Tok.getLocation(); 19806ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen)) 19816ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 19826ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19836ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult LhsTy = ParseTypeName(); 19846ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (LhsTy.isInvalid()) { 19856ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 19866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 19876ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19886ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19896ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) { 19906ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 19916ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 19926ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19936ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 19946ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet TypeResult RhsTy = ParseTypeName(); 19956ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet if (RhsTy.isInvalid()) { 19966ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SkipUntil(tok::r_paren); 19976ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return ExprError(); 19986ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet } 19996ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20006ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet SourceLocation RParen = MatchRHSPunctuation(tok::r_paren, LParen); 20016ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 20026ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet return Actions.ActOnBinaryTypeTrait(BTT, Loc, LhsTy.get(), RhsTy.get(), RParen); 20036ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet} 20046ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet 2005f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// ParseCXXAmbiguousParenExpression - We have parsed the left paren of a 2006f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// parenthesized ambiguous type-id. This uses tentative parsing to disambiguate 2007f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis/// based on the context past the parens. 200860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2009f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios KyrtzidisParser::ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 2010b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 2011f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 2012f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc) { 2013f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(getLang().CPlusPlus && "Should only be called for C++!"); 2014f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(ExprType == CastExpr && "Compound literals are not ambiguous!"); 2015f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis assert(isTypeIdInParens() && "Not a type-id!"); 2016f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 201760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(true); 2018b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall CastTy = ParsedType(); 2019f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2020f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // We need to disambiguate a very ugly part of the C++ syntax: 2021f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2022f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())x; - type-id 2023f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())*x; - type-id 2024f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T())/x; - expression 2025f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // (T()); - expression 2026f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2027f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The bad news is that we cannot use the specialized tentative parser, since 2028f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // it can only verify that the thing inside the parens can be parsed as 2029f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // type-id, it is not useful for determining the context past the parens. 2030f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // 2031f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // The good news is that the parser can disambiguate this part without 2032a558a897cbe83a21914058348ffbdcf827530ad4Argyrios Kyrtzidis // making any unnecessary Action calls. 2033f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // 2034f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // It uses a scheme similar to parsing inline methods. The parenthesized 2035f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // tokens are cached, the context that follows is determined (possibly by 2036f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parsing a cast-expression), and then we re-introduce the cached tokens 2037f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // into the token stream and parse them appropriately. 2038f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 20391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParenParseOption ParseAs; 2040f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis CachedTokens Toks; 2041f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2042f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Store the tokens of the parentheses. We will parse them after we determine 2043f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // the context that follows them. 204414b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis if (!ConsumeAndStoreUntil(tok::r_paren, Toks)) { 2045f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We didn't find the ')' we expected. 2046f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2047f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2048f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2049f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2050f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::l_brace)) { 2051f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = CompoundLiteral; 2052f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } else { 2053f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis bool NotCastExpr; 2054b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // FIXME: Special-case ++ and --: "(S())++;" is not a cast-expression 2055b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman if (Tok.is(tok::l_paren) && NextToken().is(tok::r_paren)) { 2056b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman NotCastExpr = true; 2057b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } else { 2058b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // Try parsing the cast-expression that may follow. 2059b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // If it is not a cast-expression, NotCastExpr will be true and no token 2060b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman // will be consumed. 2061b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman Result = ParseCastExpression(false/*isUnaryExpression*/, 2062b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman false/*isAddressofOperand*/, 2063b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall NotCastExpr, 2064b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType()/*TypeOfCast*/); 2065b53f08ac87f1e1f4bc2fbfa4560c2183a82020eeEli Friedman } 2066f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2067f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // If we parsed a cast-expression, it's really a type-id, otherwise it's 2068f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // an expression. 2069f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ParseAs = NotCastExpr ? SimpleExpr : CastExpr; 2070f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 2071f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 20721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The current token should go after the cached tokens. 2073f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Toks.push_back(Tok); 2074f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Re-enter the stored parenthesized tokens into the token stream, so we may 2075f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // parse them now. 2076f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis PP.EnterTokenStream(Toks.data(), Toks.size(), 2077f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis true/*DisableMacroExpansion*/, false/*OwnsTokens*/); 2078f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Drop the current token and bring the first cached one. It's the same token 2079f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // as when we entered this function. 2080f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ConsumeAnyToken(); 2081f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2082f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs >= CompoundLiteral) { 2083f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis TypeResult Ty = ParseTypeName(); 2084f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2085f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Match the ')'. 2086f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2087f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis RParenLoc = ConsumeParen(); 2088f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis else 2089f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2090f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2091f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (ParseAs == CompoundLiteral) { 2092f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis ExprType = CompoundLiteral; 2093f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ParseCompoundLiteralExpression(Ty.get(), LParenLoc, RParenLoc); 2094f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis } 20951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2096f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // We parsed '(' type-id ')' and the thing after it wasn't a '{'. 2097f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == CastExpr); 2098f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2099f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis if (Ty.isInvalid()) 2100f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis return ExprError(); 2101f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2102f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis CastTy = Ty.get(); 2103f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis 2104f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Result is what ParseCastExpression returned earlier. 2105f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid()) 210623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Result = Actions.ActOnCastExpr(getCurScope(), LParenLoc, CastTy, RParenLoc, 21079ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Result.take()); 2108f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2109f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 21101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2111f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis // Not a compound literal, and not followed by a cast-expression. 2112f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis assert(ParseAs == SimpleExpr); 2113f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2114f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis ExprType = SimpleExpr; 2115f40882a38baf258fa10e362003f6939a590074bbArgyrios Kyrtzidis Result = ParseExpression(); 2116f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (!Result.isInvalid() && Tok.is(tok::r_paren)) 21179ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Result = Actions.ActOnParenExpr(LParenLoc, Tok.getLocation(), Result.take()); 2118f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2119f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis // Match the ')'. 2120f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Result.isInvalid()) { 2121f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SkipUntil(tok::r_paren); 2122f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return ExprError(); 2123f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 21241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2125f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis if (Tok.is(tok::r_paren)) 2126f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis RParenLoc = ConsumeParen(); 2127f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis else 2128f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis MatchRHSPunctuation(tok::r_paren, LParenLoc); 2129f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 2130f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return move(Result); 2131f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis} 2132